./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer --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 194cff8833bdef02e466ccd78bd00202eba4fac9 .............................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer --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 194cff8833bdef02e466ccd78bd00202eba4fac9 ................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 18:10:41,156 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:10:41,157 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:10:41,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:10:41,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:10:41,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:10:41,166 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:10:41,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:10:41,169 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:10:41,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:10:41,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:10:41,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:10:41,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:10:41,171 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:10:41,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:10:41,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:10:41,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:10:41,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:10:41,175 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:10:41,177 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:10:41,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:10:41,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:10:41,179 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:10:41,180 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:10:41,181 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:10:41,182 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:10:41,182 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:10:41,182 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:10:41,182 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:10:41,183 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:10:41,183 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:10:41,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:10:41,184 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:10:41,184 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:10:41,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:10:41,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:10:41,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:10:41,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:10:41,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:10:41,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:10:41,187 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:10:41,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 18:10:41,196 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:10:41,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:10:41,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:10:41,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:10:41,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:10:41,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:10:41,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:10:41,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:10:41,200 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 18:10:41,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:10:41,201 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:10:41,201 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer 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 -> 194cff8833bdef02e466ccd78bd00202eba4fac9 [2019-12-07 18:10:41,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:10:41,306 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:10:41,308 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:10:41,309 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:10:41,309 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:10:41,310 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-12-07 18:10:41,348 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/a32f854f0/d3156e04ce824b35890422880ccc934f/FLAG7a3551123 [2019-12-07 18:10:41,713 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:10:41,713 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-12-07 18:10:41,720 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/a32f854f0/d3156e04ce824b35890422880ccc934f/FLAG7a3551123 [2019-12-07 18:10:41,728 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/a32f854f0/d3156e04ce824b35890422880ccc934f [2019-12-07 18:10:41,730 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:10:41,731 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:10:41,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:10:41,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:10:41,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:10:41,734 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:10:41" (1/1) ... [2019-12-07 18:10:41,736 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f8499f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:41, skipping insertion in model container [2019-12-07 18:10:41,736 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:10:41" (1/1) ... [2019-12-07 18:10:41,741 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:10:41,774 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:10:41,960 FATAL L? ?]: 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:835) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1644) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:326) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:211) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1385) 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.FunctionHandler.handleReturnStatement(FunctionHandler.java:540) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1955) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:193) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) 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.visit(CHandler.java:1561) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1029) 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:1407) 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:3458) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2276) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:571) 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:192) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:115) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.(MainTranslator.java:93) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:125) 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) [2019-12-07 18:10:41,964 INFO L168 Benchmark]: Toolchain (without parser) took 232.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:10:41,964 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:10:41,965 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-12-07 18:10:41,966 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 961.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 230.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 945.1 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 23.2 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:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 18:10:43,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 18:10:43,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 18:10:43,135 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 18:10:43,135 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 18:10:43,136 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 18:10:43,137 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 18:10:43,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 18:10:43,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 18:10:43,140 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 18:10:43,141 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 18:10:43,142 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 18:10:43,142 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 18:10:43,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 18:10:43,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 18:10:43,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 18:10:43,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 18:10:43,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 18:10:43,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 18:10:43,149 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 18:10:43,150 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 18:10:43,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 18:10:43,152 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 18:10:43,153 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 18:10:43,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 18:10:43,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 18:10:43,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 18:10:43,156 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 18:10:43,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 18:10:43,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 18:10:43,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 18:10:43,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 18:10:43,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 18:10:43,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 18:10:43,160 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 18:10:43,160 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 18:10:43,161 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 18:10:43,161 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 18:10:43,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 18:10:43,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 18:10:43,162 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 18:10:43,163 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 18:10:43,176 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 18:10:43,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 18:10:43,178 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 18:10:43,178 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 18:10:43,178 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 18:10:43,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 18:10:43,178 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 18:10:43,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 18:10:43,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 18:10:43,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 18:10:43,179 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 18:10:43,179 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 18:10:43,179 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 18:10:43,180 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 18:10:43,180 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 18:10:43,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 18:10:43,180 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 18:10:43,180 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 18:10:43,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 18:10:43,181 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 18:10:43,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 18:10:43,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 18:10:43,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 18:10:43,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 18:10:43,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 18:10:43,182 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 18:10:43,182 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 18:10:43,182 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 18:10:43,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 18:10:43,183 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 18:10:43,183 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 18:10:43,183 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer 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 -> 194cff8833bdef02e466ccd78bd00202eba4fac9 [2019-12-07 18:10:43,358 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 18:10:43,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 18:10:43,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 18:10:43,373 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 18:10:43,373 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 18:10:43,374 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-12-07 18:10:43,415 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/a451fd39c/34e32296a09845be9dc463070681a701/FLAGbda3e10d3 [2019-12-07 18:10:43,771 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 18:10:43,771 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-12-07 18:10:43,779 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/a451fd39c/34e32296a09845be9dc463070681a701/FLAGbda3e10d3 [2019-12-07 18:10:43,787 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/data/a451fd39c/34e32296a09845be9dc463070681a701 [2019-12-07 18:10:43,789 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 18:10:43,790 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 18:10:43,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 18:10:43,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 18:10:43,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 18:10:43,793 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:10:43" (1/1) ... [2019-12-07 18:10:43,795 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@723bad57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:43, skipping insertion in model container [2019-12-07 18:10:43,795 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 06:10:43" (1/1) ... [2019-12-07 18:10:43,800 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 18:10:43,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 18:10:44,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:10:44,047 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 18:10:44,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 18:10:44,128 INFO L208 MainTranslator]: Completed translation [2019-12-07 18:10:44,128 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44 WrapperNode [2019-12-07 18:10:44,128 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 18:10:44,129 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 18:10:44,129 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 18:10:44,129 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 18:10:44,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,151 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 18:10:44,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 18:10:44,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 18:10:44,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 18:10:44,191 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,238 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... [2019-12-07 18:10:44,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 18:10:44,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 18:10:44,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 18:10:44,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 18:10:44,245 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/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 [2019-12-07 18:10:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 18:10:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 18:10:44,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 18:10:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 18:10:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 18:10:44,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 18:10:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 18:10:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 18:10:44,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 18:11:02,945 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 18:11:02,945 INFO L287 CfgBuilder]: Removed 102 assume(true) statements. [2019-12-07 18:11:02,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:02 BoogieIcfgContainer [2019-12-07 18:11:02,946 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 18:11:02,947 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 18:11:02,947 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 18:11:02,948 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 18:11:02,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 06:10:43" (1/3) ... [2019-12-07 18:11:02,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d9ee61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:11:02, skipping insertion in model container [2019-12-07 18:11:02,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 06:10:44" (2/3) ... [2019-12-07 18:11:02,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26d9ee61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 06:11:02, skipping insertion in model container [2019-12-07 18:11:02,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:02" (3/3) ... [2019-12-07 18:11:02,951 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2019-12-07 18:11:02,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 18:11:02,961 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 18:11:02,969 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 18:11:02,985 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 18:11:02,985 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 18:11:02,985 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 18:11:02,985 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 18:11:02,986 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 18:11:02,986 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 18:11:02,986 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 18:11:02,986 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 18:11:02,999 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-12-07 18:11:03,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 18:11:03,003 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:03,004 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:03,004 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:03,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:03,008 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2019-12-07 18:11:03,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:03,016 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [366381917] [2019-12-07 18:11:03,016 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/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 [2019-12-07 18:11:03,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:03,916 INFO L264 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 18:11:03,921 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:03,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:03,932 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:03,935 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [366381917] [2019-12-07 18:11:03,935 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:03,936 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 18:11:03,936 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061670971] [2019-12-07 18:11:03,939 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 18:11:03,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:03,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 18:11:03,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:11:03,950 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-12-07 18:11:03,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:03,978 INFO L93 Difference]: Finished difference Result 397 states and 684 transitions. [2019-12-07 18:11:03,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 18:11:03,979 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 18:11:03,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:03,988 INFO L225 Difference]: With dead ends: 397 [2019-12-07 18:11:03,988 INFO L226 Difference]: Without dead ends: 196 [2019-12-07 18:11:03,991 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 18:11:04,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-12-07 18:11:04,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2019-12-07 18:11:04,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-12-07 18:11:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2019-12-07 18:11:04,025 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2019-12-07 18:11:04,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:04,026 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2019-12-07 18:11:04,026 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 18:11:04,026 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2019-12-07 18:11:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 18:11:04,026 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:04,026 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:04,227 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 18:11:04,228 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:04,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:04,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2019-12-07 18:11:04,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:04,232 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1017636510] [2019-12-07 18:11:04,233 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/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 [2019-12-07 18:11:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 18:11:05,198 INFO L264 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 18:11:05,201 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 18:11:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:05,313 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 18:11:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 18:11:05,432 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1017636510] [2019-12-07 18:11:05,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 18:11:05,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-12-07 18:11:05,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029262690] [2019-12-07 18:11:05,433 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 18:11:05,433 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 18:11:05,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 18:11:05,434 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 18:11:05,434 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand 10 states. [2019-12-07 18:11:05,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 18:11:05,668 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2019-12-07 18:11:05,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 18:11:05,669 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-12-07 18:11:05,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 18:11:05,669 INFO L225 Difference]: With dead ends: 201 [2019-12-07 18:11:05,670 INFO L226 Difference]: Without dead ends: 16 [2019-12-07 18:11:05,671 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-07 18:11:05,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-12-07 18:11:05,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-12-07 18:11:05,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-12-07 18:11:05,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-12-07 18:11:05,673 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2019-12-07 18:11:05,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 18:11:05,673 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-12-07 18:11:05,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 18:11:05,673 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-12-07 18:11:05,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-12-07 18:11:05,674 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 18:11:05,674 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 18:11:05,874 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 18:11:05,875 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 18:11:05,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 18:11:05,876 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2019-12-07 18:11:05,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 18:11:05,878 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2051974881] [2019-12-07 18:11:05,879 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/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 [2019-12-07 18:11:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:11:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 18:11:08,393 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 18:11:08,393 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 18:11:08,594 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 18:11:08,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 06:11:08 BoogieIcfgContainer [2019-12-07 18:11:08,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 18:11:08,697 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 18:11:08,697 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 18:11:08,698 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 18:11:08,698 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 06:11:02" (3/4) ... [2019-12-07 18:11:08,699 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 18:11:08,758 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_aac751b6-4a8c-4853-8f81-fdb8a02edfd7/bin/uautomizer/witness.graphml [2019-12-07 18:11:08,758 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 18:11:08,759 INFO L168 Benchmark]: Toolchain (without parser) took 24969.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 952.4 MB in the beginning and 802.4 MB in the end (delta: 150.0 MB). Peak memory consumption was 264.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:08,759 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:11:08,760 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:08,760 INFO L168 Benchmark]: Boogie Procedure Inliner took 54.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 18:11:08,760 INFO L168 Benchmark]: Boogie Preprocessor took 60.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:08,760 INFO L168 Benchmark]: RCFGBuilder took 18701.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 963.5 MB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:08,760 INFO L168 Benchmark]: TraceAbstraction took 5750.41 ms. Allocated memory is still 1.1 GB. Free memory was 963.5 MB in the beginning and 809.3 MB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:08,761 INFO L168 Benchmark]: Witness Printer took 60.72 ms. Allocated memory is still 1.1 GB. Free memory was 809.3 MB in the beginning and 802.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 18:11:08,762 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -142.0 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 54.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 18701.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 963.5 MB in the end (delta: 118.5 MB). Peak memory consumption was 118.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5750.41 ms. Allocated memory is still 1.1 GB. Free memory was 963.5 MB in the beginning and 809.3 MB in the end (delta: 154.3 MB). Peak memory consumption was 154.3 MB. Max. memory is 11.5 GB. * Witness Printer took 60.72 ms. Allocated memory is still 1.1 GB. Free memory was 809.3 MB in the beginning and 802.4 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 607]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L107] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L195-L197] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L265-L293] static const float bp_pow[] = { 1.0, 1.5, }, dp_h_pow[] = { 0.0, 5.84960938e-01, }, dp_l_pow[] = { 0.0, 1.56322085e-06, }, zero_pow = 0.0, one_pow = 1.0, two_pow = 2.0, two24_pow = 16777216.0, huge_pow = 1.0e30, tiny_pow = 1.0e-30, L1_pow = 6.0000002384e-01, L2_pow = 4.2857143283e-01, L3_pow = 3.3333334327e-01, L4_pow = 2.7272811532e-01, L5_pow = 2.3066075146e-01, L6_pow = 2.0697501302e-01, P1_pow = 1.6666667163e-01, P2_pow = -2.7777778450e-03, P3_pow = 6.6137559770e-05, P4_pow = -1.6533901999e-06, P5_pow = 4.1381369442e-08, lg2_pow = 6.9314718246e-01, lg2_h_pow = 6.93145752e-01, lg2_l_pow = 1.42860654e-06, ovt_pow = 4.2995665694e-08, cp = 9.6179670095e-01, cp_h_pow = 9.6179199219e-01, cp_l_pow = 4.7017383622e-06, ivln2_pow = 1.4426950216e+00, ivln2_h_pow = 1.4426879883e+00, ivln2_l_pow = 7.0526075433e-06; VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L598] float x = __VERIFIER_nondet_float(); [L599] float y = 0.0f / 0.0f; VAL [bp_pow={-4:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L601] COND TRUE x != 1.0f [L296] float z, ax, z_h, z_l, p_h, p_l; [L297] float y1, t1, t2, r, s, t, u, v, w; [L298] __int32_t i, j, k, yisint, n; [L299] __int32_t hx, hy, ix, iy, is; VAL [bp_pow={-4:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L302] ieee_float_shape_type gf_u; [L303] gf_u.value = (x) [L304] EXPR gf_u.word [L304] (hx) = gf_u.word [L307] ieee_float_shape_type gf_u; [L308] gf_u.value = (y) [L309] EXPR gf_u.word [L309] (hy) = gf_u.word [L311] ix = hx & 0x7fffffff [L312] iy = hy & 0x7fffffff VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L314] COND FALSE !(((iy) == 0)) VAL [bp_pow={-4:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L317] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [bp_pow={-4:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L318] COND TRUE ix == 0x3f800000 [L319] return one_pow; VAL [bp_pow={-4:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L603] float res = __ieee754_powf(x, y); [L587] return x != x; VAL [bp_pow={-4:0}, cp=0.9617967009544373, cp=0.9617919921875, cp=0.000004701738362200558, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] [L606] COND TRUE !isnan_float(res) [L607] __VERIFIER_error() VAL [bp_pow={-4:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={-2:0}, dp_l_pow={-5:0}, huge_pow=1000000015047466200000000000000, huge_scalbn=1000000015047466200000000000000, ivln2_h_pow=1.44268798828125, ivln2_l_pow=0.000007052607543300837, ivln2_pow=1.4426950216293335, L1_pow=0.6000000238418579, L2_pow=0.4285714328289032, L3_pow=0.3333333432674408, L4_pow=0.2727281153202057, L5_pow=0.23066075146198273, L6_pow=0.20697501301765442, lg2_h_pow=0.693145751953125, lg2_l_pow=0.0000014286065379565116, lg2_pow=0.6931471824645996, one_fmod=1.0, one_pow=1.0, one_sqrt=1.0, ovt_pow=0.00000004299566569443414, P1_pow=0.1666666716337204, P2_pow=-0.0027777778450399637, P3_pow=0.0000661375597701408, P4_pow=-0.0000016533901998627698, P5_pow=0.00000004138136944220605, tiny_pow=0.0000000000000000000000000000010000000031710769, tiny_scalbn=0.0000000000000000000000000000010000000031710769, tiny_sqrt=0.0000000000000000000000000000010000000031710769, two24_pow=16777216, two25_scalbn=33554432, two_pow=2.0, twom25_scalbn=0.000000029802322387695312, Zero_fmod={2147483642:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 200 locations, 1 error locations. Result: UNSAFE, OverallTime: 5.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 61 SDslu, 17 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 11 QuantifiedInterpolants, 2252 SizeOfPredicates, 8 NumberOfNonLiveVariables, 208 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...