./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e896ed22540a29e5537c02d854edcb8ff819625 .................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5e896ed22540a29e5537c02d854edcb8ff819625 .......................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-a4ecdab [2020-11-28 03:06:25,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:25,095 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:25,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:25,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:25,142 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:25,144 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:25,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:25,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:25,151 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:25,153 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:25,155 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:25,155 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:25,157 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:25,159 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:25,161 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:25,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:25,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:25,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:25,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:25,172 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:25,179 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:25,181 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:25,182 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:25,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:25,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:25,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:25,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:25,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:25,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:25,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:25,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:25,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:25,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:25,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:25,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:25,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:25,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:25,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:25,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:25,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:25,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-28 03:06:25,236 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:25,237 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:25,238 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:25,239 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:25,239 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:25,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:25,240 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:25,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-28 03:06:25,241 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:25,241 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:25,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:25,242 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:25,242 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:25,244 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:25,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:25,244 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:25,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:25,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:25,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:25,245 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:25,246 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:25,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:25,246 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:25,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:25,247 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:25,247 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-28 03:06:25,247 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-28 03:06:25,247 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:25,247 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:25,248 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e896ed22540a29e5537c02d854edcb8ff819625 [2020-11-28 03:06:25,473 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:25,505 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:25,507 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:25,509 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:25,510 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:25,512 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2020-11-28 03:06:25,609 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/9154c39d9/ae3955af1f3f4aaa949375387978732a/FLAG216ac4f90 [2020-11-28 03:06:26,159 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:26,160 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2020-11-28 03:06:26,171 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/9154c39d9/ae3955af1f3f4aaa949375387978732a/FLAG216ac4f90 [2020-11-28 03:06:26,418 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/9154c39d9/ae3955af1f3f4aaa949375387978732a [2020-11-28 03:06:26,421 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:26,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:26,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:26,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:26,434 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:26,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:26" (1/1) ... [2020-11-28 03:06:26,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2710e6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:26, skipping insertion in model container [2020-11-28 03:06:26,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:26" (1/1) ... [2020-11-28 03:06:26,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:26,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:26,873 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.standardfunctions.StandardFunctionHandler.handleNaNOrInfinity(StandardFunctionHandler.java:1682) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:332) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:217) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1401) 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:1971) 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:1600) 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:1045) 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:1577) 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:1045) 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:1423) 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:3209) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2292) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:579) 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:128) 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:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-11-28 03:06:26,878 INFO L168 Benchmark]: Toolchain (without parser) took 454.82 ms. Allocated memory is still 86.0 MB. Free memory was 62.5 MB in the beginning and 62.0 MB in the end (delta: 545.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:26,879 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 49.6 MB in the end (delta: 66.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:06:26,880 INFO L168 Benchmark]: CACSL2BoogieTranslator took 452.44 ms. Allocated memory is still 86.0 MB. Free memory was 62.3 MB in the beginning and 62.0 MB in the end (delta: 298.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:06:26,882 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 49.6 MB in the end (delta: 66.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 452.44 ms. Allocated memory is still 86.0 MB. Free memory was 62.3 MB in the beginning and 62.0 MB in the end (delta: 298.7 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 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 0.2.0-a4ecdab [2020-11-28 03:06:29,236 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-28 03:06:29,239 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-28 03:06:29,272 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-28 03:06:29,272 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-28 03:06:29,274 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-28 03:06:29,276 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-28 03:06:29,279 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-28 03:06:29,281 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-28 03:06:29,283 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-28 03:06:29,284 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-28 03:06:29,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-28 03:06:29,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-28 03:06:29,288 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-28 03:06:29,289 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-28 03:06:29,291 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-28 03:06:29,294 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-28 03:06:29,301 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-28 03:06:29,304 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-28 03:06:29,309 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-28 03:06:29,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-28 03:06:29,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-28 03:06:29,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-28 03:06:29,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-28 03:06:29,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-28 03:06:29,324 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-28 03:06:29,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-28 03:06:29,326 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-28 03:06:29,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-28 03:06:29,328 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-28 03:06:29,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-28 03:06:29,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-28 03:06:29,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-28 03:06:29,342 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-28 03:06:29,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-28 03:06:29,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-28 03:06:29,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-28 03:06:29,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-28 03:06:29,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-28 03:06:29,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-28 03:06:29,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-28 03:06:29,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-28 03:06:29,377 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-28 03:06:29,377 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-28 03:06:29,379 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-28 03:06:29,379 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-28 03:06:29,380 INFO L138 SettingsManager]: * Use SBE=true [2020-11-28 03:06:29,380 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-28 03:06:29,381 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-28 03:06:29,381 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-28 03:06:29,382 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-28 03:06:29,382 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-28 03:06:29,382 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-28 03:06:29,383 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-28 03:06:29,383 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-28 03:06:29,384 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-28 03:06:29,384 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-28 03:06:29,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-28 03:06:29,385 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-28 03:06:29,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-28 03:06:29,386 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-28 03:06:29,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-28 03:06:29,387 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-28 03:06:29,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-28 03:06:29,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-28 03:06:29,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-28 03:06:29,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-28 03:06:29,389 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-28 03:06:29,389 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-28 03:06:29,390 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-28 03:06:29,390 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-28 03:06:29,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-28 03:06:29,391 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-28 03:06:29,391 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5e896ed22540a29e5537c02d854edcb8ff819625 [2020-11-28 03:06:29,766 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-28 03:06:29,811 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-28 03:06:29,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-28 03:06:29,816 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-28 03:06:29,816 INFO L275 PluginConnector]: CDTParser initialized [2020-11-28 03:06:29,817 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2020-11-28 03:06:29,906 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/e0213f479/835019737a51498bb2c220e78cc4a51b/FLAGf18147754 [2020-11-28 03:06:30,599 INFO L306 CDTParser]: Found 1 translation units. [2020-11-28 03:06:30,599 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2020-11-28 03:06:30,620 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/e0213f479/835019737a51498bb2c220e78cc4a51b/FLAGf18147754 [2020-11-28 03:06:30,896 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/data/e0213f479/835019737a51498bb2c220e78cc4a51b [2020-11-28 03:06:30,903 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-28 03:06:30,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-28 03:06:30,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:30,906 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-28 03:06:30,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-28 03:06:30,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:30" (1/1) ... [2020-11-28 03:06:30,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cc2d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:30, skipping insertion in model container [2020-11-28 03:06:30,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:06:30" (1/1) ... [2020-11-28 03:06:30,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-28 03:06:30,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-28 03:06:31,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:31,343 INFO L203 MainTranslator]: Completed pre-run [2020-11-28 03:06:31,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-28 03:06:31,491 INFO L208 MainTranslator]: Completed translation [2020-11-28 03:06:31,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31 WrapperNode [2020-11-28 03:06:31,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-28 03:06:31,494 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:31,495 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-28 03:06:31,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-28 03:06:31,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-28 03:06:31,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-28 03:06:31,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-28 03:06:31,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-28 03:06:31,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,729 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... [2020-11-28 03:06:31,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-28 03:06:31,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-28 03:06:31,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-28 03:06:31,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-28 03:06:31,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/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 [2020-11-28 03:06:31,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-11-28 03:06:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-28 03:06:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-28 03:06:31,873 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-11-28 03:06:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-28 03:06:31,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-28 03:06:31,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-28 03:06:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-11-28 03:06:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-28 03:06:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-28 03:06:52,895 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-28 03:06:52,898 INFO L298 CfgBuilder]: Removed 104 assume(true) statements. [2020-11-28 03:06:52,901 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:52 BoogieIcfgContainer [2020-11-28 03:06:52,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-28 03:06:52,913 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-28 03:06:52,913 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-28 03:06:52,916 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-28 03:06:52,917 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:06:30" (1/3) ... [2020-11-28 03:06:52,917 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67621196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:52, skipping insertion in model container [2020-11-28 03:06:52,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:06:31" (2/3) ... [2020-11-28 03:06:52,918 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67621196 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:06:52, skipping insertion in model container [2020-11-28 03:06:52,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:52" (3/3) ... [2020-11-28 03:06:52,920 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2020-11-28 03:06:52,930 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-28 03:06:52,935 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-28 03:06:52,946 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-28 03:06:52,986 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-28 03:06:52,986 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-28 03:06:52,986 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-28 03:06:52,987 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-28 03:06:52,987 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-28 03:06:52,987 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-28 03:06:52,987 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-28 03:06:52,987 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-28 03:06:53,008 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states. [2020-11-28 03:06:53,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-28 03:06:53,015 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:53,016 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:53,016 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:53,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:53,022 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2020-11-28 03:06:53,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:06:53,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021948388] [2020-11-28 03:06:53,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/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 [2020-11-28 03:06:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:54,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-28 03:06:54,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:54,182 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:06:54,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:54,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021948388] [2020-11-28 03:06:54,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:54,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-28 03:06:54,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787851675] [2020-11-28 03:06:54,193 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-28 03:06:54,193 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:06:54,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-28 03:06:54,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-28 03:06:54,208 INFO L87 Difference]: Start difference. First operand 201 states. Second operand 2 states. [2020-11-28 03:06:54,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:54,251 INFO L93 Difference]: Finished difference Result 398 states and 685 transitions. [2020-11-28 03:06:54,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-28 03:06:54,252 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-28 03:06:54,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:54,264 INFO L225 Difference]: With dead ends: 398 [2020-11-28 03:06:54,265 INFO L226 Difference]: Without dead ends: 196 [2020-11-28 03:06:54,268 INFO L677 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 [2020-11-28 03:06:54,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2020-11-28 03:06:54,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2020-11-28 03:06:54,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-11-28 03:06:54,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2020-11-28 03:06:54,317 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2020-11-28 03:06:54,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:54,317 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2020-11-28 03:06:54,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-28 03:06:54,318 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2020-11-28 03:06:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-28 03:06:54,319 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:54,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:54,535 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-28 03:06:54,535 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:54,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:54,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2020-11-28 03:06:54,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:06:54,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791535262] [2020-11-28 03:06:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/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 [2020-11-28 03:06:55,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-28 03:06:55,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 8 conjunts are in the unsatisfiable core [2020-11-28 03:06:55,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-28 03:06:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:55,907 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-28 03:06:56,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-28 03:06:56,120 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1791535262] [2020-11-28 03:06:56,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-28 03:06:56,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2020-11-28 03:06:56,121 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224786778] [2020-11-28 03:06:56,122 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-28 03:06:56,122 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-28 03:06:56,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-28 03:06:56,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2020-11-28 03:06:56,123 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand 10 states. [2020-11-28 03:06:56,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-28 03:06:56,450 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2020-11-28 03:06:56,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-11-28 03:06:56,452 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2020-11-28 03:06:56,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-28 03:06:56,459 INFO L225 Difference]: With dead ends: 201 [2020-11-28 03:06:56,460 INFO L226 Difference]: Without dead ends: 16 [2020-11-28 03:06:56,462 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-11-28 03:06:56,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2020-11-28 03:06:56,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2020-11-28 03:06:56,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2020-11-28 03:06:56,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2020-11-28 03:06:56,474 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2020-11-28 03:06:56,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-28 03:06:56,476 INFO L481 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2020-11-28 03:06:56,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-28 03:06:56,476 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2020-11-28 03:06:56,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-11-28 03:06:56,478 INFO L414 BasicCegarLoop]: Found error trace [2020-11-28 03:06:56,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-28 03:06:56,698 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-28 03:06:56,699 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-28 03:06:56,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-28 03:06:56,699 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2020-11-28 03:06:56,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-28 03:06:56,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2097324187] [2020-11-28 03:06:56,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/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 [2020-11-28 03:06:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:06:58,505 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-28 03:07:00,106 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-28 03:07:00,347 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-28 03:07:00,347 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-28 03:07:00,548 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-11-28 03:07:00,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:07:00 BoogieIcfgContainer [2020-11-28 03:07:00,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-28 03:07:00,724 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-28 03:07:00,724 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-28 03:07:00,725 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-28 03:07:00,726 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:06:52" (3/4) ... [2020-11-28 03:07:00,728 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-28 03:07:00,853 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_69bf8314-b919-402a-aa3d-84476774e1f2/bin/uautomizer/witness.graphml [2020-11-28 03:07:00,853 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-28 03:07:00,855 INFO L168 Benchmark]: Toolchain (without parser) took 29950.45 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 37.3 MB in the beginning and 40.6 MB in the end (delta: -3.4 MB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,855 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-28 03:07:00,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.36 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 28.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,856 INFO L168 Benchmark]: Boogie Procedure Inliner took 143.66 ms. Allocated memory is still 58.7 MB. Free memory was 28.7 MB in the beginning and 38.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,857 INFO L168 Benchmark]: Boogie Preprocessor took 149.33 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 33.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,857 INFO L168 Benchmark]: RCFGBuilder took 21113.25 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.4 MB in the beginning and 28.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,857 INFO L168 Benchmark]: TraceAbstraction took 7811.17 ms. Allocated memory is still 73.4 MB. Free memory was 50.4 MB in the beginning and 48.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,858 INFO L168 Benchmark]: Witness Printer took 129.36 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 40.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-28 03:07:00,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 58.7 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 587.36 ms. Allocated memory is still 58.7 MB. Free memory was 37.0 MB in the beginning and 28.7 MB in the end (delta: 8.4 MB). Peak memory consumption was 16.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 143.66 ms. Allocated memory is still 58.7 MB. Free memory was 28.7 MB in the beginning and 38.8 MB in the end (delta: -10.1 MB). Peak memory consumption was 5.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.33 ms. Allocated memory is still 58.7 MB. Free memory was 38.8 MB in the beginning and 33.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 21113.25 ms. Allocated memory was 58.7 MB in the beginning and 73.4 MB in the end (delta: 14.7 MB). Free memory was 33.4 MB in the beginning and 28.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7811.17 ms. Allocated memory is still 73.4 MB. Free memory was 50.4 MB in the beginning and 48.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 26.5 MB. Max. memory is 16.1 GB. * Witness Printer took 129.36 ms. Allocated memory is still 73.4 MB. Free memory was 48.1 MB in the beginning and 40.6 MB in the end (delta: 7.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L14-L17] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; [L109] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L197-L199] static const float two25_scalbn = 3.355443200e+07, twom25_scalbn = 2.9802322388e-08, huge_scalbn = 1.0e+30, tiny_scalbn = 1.0e-30; [L267-L295] 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={7:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L600] float x = __VERIFIER_nondet_float(); [L601] float y = 0.0f / 0.0f; VAL [bp_pow={7:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L603] COND TRUE x != 1.0f [L298] float z, ax, z_h, z_l, p_h, p_l; [L299] float y1, t1, t2, r, s, t, u, v, w; [L300] __int32_t i, j, k, yisint, n; [L301] __int32_t hx, hy, ix, iy, is; VAL [bp_pow={7:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L304] ieee_float_shape_type gf_u; [L305] gf_u.value = (x) [L306] EXPR gf_u.word [L306] (hx) = gf_u.word [L309] ieee_float_shape_type gf_u; [L310] gf_u.value = (y) [L311] EXPR gf_u.word [L311] (hy) = gf_u.word [L313] ix = hx & 0x7fffffff [L314] iy = hy & 0x7fffffff VAL [bp_pow={7:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L316] COND FALSE !(((iy) == 0)) VAL [bp_pow={7:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L319] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [bp_pow={7:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L320] COND TRUE ix == 0x3f800000 [L321] return one_pow; VAL [bp_pow={7:0}, cp=0.9617967009544373, cp=0.9617919921875, cp=0.000004701738362200558, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L605] float res = __ieee754_powf(x, y); [L589] return x != x; VAL [bp_pow={7:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] [L608] COND TRUE !isnan_float(res) [L3] __assert_fail("0", "float_req_bl_0870a.c", 3, "reach_error") VAL [bp_pow={7:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={2:0}, dp_l_pow={-1073741822:0}, 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={-2147483646:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 201 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 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, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=201occurred 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: 0.1s SsaConstructionTime, 3.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 11 QuantifiedInterpolants, 2252 SizeOfPredicates, 8 NumberOfNonLiveVariables, 236 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...