./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 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan --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 Taipan --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_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan --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 Taipan --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 0.1.24-6b5699a [2019-11-26 02:41:10,409 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:10,411 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:10,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:10,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:10,426 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:10,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:10,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:10,441 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:10,446 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:10,447 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:10,449 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:10,449 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:10,450 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:10,451 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:10,452 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:10,452 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:10,453 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:10,454 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:10,456 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:10,457 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:10,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:10,459 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:10,460 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:10,462 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:10,462 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:10,463 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:10,463 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:10,464 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:10,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:10,465 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:10,465 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:10,466 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:10,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:10,467 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:10,467 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:10,468 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:10,468 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:10,468 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:10,469 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:10,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:10,470 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-11-26 02:41:10,483 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:10,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:10,483 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:10,484 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:41:10,484 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:41:10,484 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:41:10,484 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-11-26 02:41:10,484 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:41:10,485 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:41:10,485 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-11-26 02:41:10,485 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-11-26 02:41:10,485 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:41:10,485 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-11-26 02:41:10,485 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-11-26 02:41:10,486 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-11-26 02:41:10,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:10,486 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:41:10,487 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:41:10,487 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:41:10,487 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:10,487 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:41:10,487 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:10,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:41:10,488 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:41:10,488 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:41:10,488 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:41:10,488 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:10,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:10,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:41:10,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:10,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:10,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:10,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:41:10,489 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-11-26 02:41:10,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:41:10,490 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:41:10,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:41:10,490 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan 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 -> Taipan 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 [2019-11-26 02:41:10,637 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:10,650 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:10,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:10,654 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:10,655 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:10,656 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-26 02:41:10,706 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/09908dbb0/c2ca86cc4e16463080c6ed78d612e426/FLAG8a7f7bb99 [2019-11-26 02:41:11,155 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:11,161 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-26 02:41:11,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/09908dbb0/c2ca86cc4e16463080c6ed78d612e426/FLAG8a7f7bb99 [2019-11-26 02:41:11,184 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/09908dbb0/c2ca86cc4e16463080c6ed78d612e426 [2019-11-26 02:41:11,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:11,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:11,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:11,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:11,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:11,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:11" (1/1) ... [2019-11-26 02:41:11,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21d50283 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:11, skipping insertion in model container [2019-11-26 02:41:11,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:11" (1/1) ... [2019-11-26 02:41:11,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:11,243 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:11,522 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:1634) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:318) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:210) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1349) 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:1919) 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:1542) 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:993) 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:1519) 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:993) 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:1371) 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:3448) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2263) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:573) 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:193) 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) [2019-11-26 02:41:11,527 INFO L168 Benchmark]: Toolchain (without parser) took 338.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 951.5 MB in the beginning and 1.2 GB in the end (delta: -217.9 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:11,528 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:11,529 INFO L168 Benchmark]: CACSL2BoogieTranslator took 336.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -223.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:11,530 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 336.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -223.3 MB). Peak memory consumption was 17.7 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 0.1.24-6b5699a [2019-11-26 02:41:13,202 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:41:13,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:41:13,215 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:41:13,216 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:41:13,217 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:41:13,218 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:41:13,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:41:13,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:41:13,223 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:41:13,224 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:41:13,225 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:41:13,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:41:13,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:41:13,227 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:41:13,228 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:41:13,229 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:41:13,230 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:41:13,232 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:41:13,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:41:13,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:41:13,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:41:13,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:41:13,239 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:41:13,242 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:41:13,242 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:41:13,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:41:13,243 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:41:13,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:41:13,245 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:41:13,245 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:41:13,246 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:41:13,247 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:41:13,248 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:41:13,249 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:41:13,249 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:41:13,250 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:41:13,250 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:41:13,250 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:41:13,251 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:41:13,252 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:41:13,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-11-26 02:41:13,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:41:13,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:41:13,269 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:41:13,269 INFO L138 SettingsManager]: * User list type=DISABLED [2019-11-26 02:41:13,269 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-11-26 02:41:13,269 INFO L138 SettingsManager]: * Explicit value domain=true [2019-11-26 02:41:13,270 INFO L138 SettingsManager]: * Octagon Domain=false [2019-11-26 02:41:13,270 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-11-26 02:41:13,270 INFO L138 SettingsManager]: * Interval Domain=false [2019-11-26 02:41:13,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:41:13,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:41:13,271 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:41:13,272 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:41:13,272 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:41:13,272 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:41:13,272 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:41:13,273 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-11-26 02:41:13,273 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-26 02:41:13,273 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-26 02:41:13,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:41:13,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:41:13,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:41:13,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:41:13,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:41:13,275 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-26 02:41:13,275 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:41:13,275 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-26 02:41:13,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-26 02:41:13,276 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:41:13,276 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:41:13,276 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:41:13,276 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-11-26 02:41:13,277 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-26 02:41:13,277 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:41:13,277 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-26 02:41:13,277 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_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan 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 -> Taipan 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 [2019-11-26 02:41:13,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:41:13,553 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:41:13,556 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:41:13,557 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:41:13,558 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:41:13,558 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-26 02:41:13,602 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/4ee384145/f140ec45b9da4139bed2ed379ccc2128/FLAGb28331cb2 [2019-11-26 02:41:14,039 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:41:14,040 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2019-11-26 02:41:14,057 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/4ee384145/f140ec45b9da4139bed2ed379ccc2128/FLAGb28331cb2 [2019-11-26 02:41:14,069 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/data/4ee384145/f140ec45b9da4139bed2ed379ccc2128 [2019-11-26 02:41:14,071 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:41:14,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:41:14,074 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:14,074 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:41:14,077 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:41:14,078 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,080 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@443cf7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14, skipping insertion in model container [2019-11-26 02:41:14,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:41:14,135 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:41:14,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:14,467 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:41:14,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:41:14,620 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:41:14,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14 WrapperNode [2019-11-26 02:41:14,620 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:41:14,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:14,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:41:14,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:41:14,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:41:14,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:41:14,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:41:14,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:41:14,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,730 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,763 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,786 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... [2019-11-26 02:41:14,795 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:41:14,801 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:41:14,802 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:41:14,802 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:41:14,803 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/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 [2019-11-26 02:41:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-11-26 02:41:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-26 02:41:14,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-26 02:41:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-26 02:41:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:41:14,872 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:41:14,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-26 02:41:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-26 02:41:14,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-26 02:41:35,386 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:41:35,386 INFO L284 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-26 02:41:35,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:35 BoogieIcfgContainer [2019-11-26 02:41:35,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:41:35,389 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-26 02:41:35,389 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-26 02:41:35,391 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-26 02:41:35,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 02:41:14" (1/3) ... [2019-11-26 02:41:35,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12148296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:35, skipping insertion in model container [2019-11-26 02:41:35,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:41:14" (2/3) ... [2019-11-26 02:41:35,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12148296 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 02:41:35, skipping insertion in model container [2019-11-26 02:41:35,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:35" (3/3) ... [2019-11-26 02:41:35,393 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2019-11-26 02:41:35,399 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-26 02:41:35,404 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-26 02:41:35,413 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-26 02:41:35,436 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-26 02:41:35,436 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-26 02:41:35,437 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-26 02:41:35,437 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-26 02:41:35,437 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-26 02:41:35,437 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-26 02:41:35,437 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-26 02:41:35,437 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-26 02:41:35,455 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states. [2019-11-26 02:41:35,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:41:35,459 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:35,460 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:41:35,460 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:35,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:35,464 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2019-11-26 02:41:35,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:41:35,472 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [804203556] [2019-11-26 02:41:35,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/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 [2019-11-26 02:41:36,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:36,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-26 02:41:36,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:41:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:36,528 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:41:36,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:36,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [804203556] [2019-11-26 02:41:36,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:36,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-26 02:41:36,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821506584] [2019-11-26 02:41:36,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-26 02:41:36,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:41:36,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-26 02:41:36,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-26 02:41:36,553 INFO L87 Difference]: Start difference. First operand 200 states. Second operand 2 states. [2019-11-26 02:41:36,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:36,591 INFO L93 Difference]: Finished difference Result 397 states and 684 transitions. [2019-11-26 02:41:36,591 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-26 02:41:36,592 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-11-26 02:41:36,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:36,605 INFO L225 Difference]: With dead ends: 397 [2019-11-26 02:41:36,605 INFO L226 Difference]: Without dead ends: 196 [2019-11-26 02:41:36,609 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 [2019-11-26 02:41:36,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2019-11-26 02:41:36,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2019-11-26 02:41:36,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2019-11-26 02:41:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2019-11-26 02:41:36,656 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2019-11-26 02:41:36,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:36,657 INFO L462 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2019-11-26 02:41:36,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-26 02:41:36,657 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2019-11-26 02:41:36,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:41:36,658 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:36,658 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:41:36,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-26 02:41:36,884 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:36,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:36,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2019-11-26 02:41:36,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:41:36,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [926631006] [2019-11-26 02:41:36,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/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 [2019-11-26 02:41:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:41:37,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-26 02:41:37,865 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-26 02:41:38,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:38,027 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-26 02:41:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:41:38,253 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [926631006] [2019-11-26 02:41:38,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-26 02:41:38,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2019-11-26 02:41:38,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862762106] [2019-11-26 02:41:38,255 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-26 02:41:38,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-11-26 02:41:38,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-26 02:41:38,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-11-26 02:41:38,256 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand 10 states. [2019-11-26 02:41:38,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-26 02:41:38,541 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2019-11-26 02:41:38,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-26 02:41:38,549 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 13 [2019-11-26 02:41:38,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-26 02:41:38,549 INFO L225 Difference]: With dead ends: 201 [2019-11-26 02:41:38,549 INFO L226 Difference]: Without dead ends: 16 [2019-11-26 02:41:38,551 INFO L630 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 [2019-11-26 02:41:38,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2019-11-26 02:41:38,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2019-11-26 02:41:38,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2019-11-26 02:41:38,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2019-11-26 02:41:38,555 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2019-11-26 02:41:38,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-26 02:41:38,556 INFO L462 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2019-11-26 02:41:38,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-26 02:41:38,556 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2019-11-26 02:41:38,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-11-26 02:41:38,556 INFO L402 BasicCegarLoop]: Found error trace [2019-11-26 02:41:38,556 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-26 02:41:38,757 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-26 02:41:38,757 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-26 02:41:38,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:41:38,757 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2019-11-26 02:41:38,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-11-26 02:41:38,759 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [881077689] [2019-11-26 02:41:38,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/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 [2019-11-26 02:41:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:41:41,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-26 02:41:41,524 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-11-26 02:41:41,524 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-26 02:41:41,725 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-26 02:41:41,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 02:41:41 BoogieIcfgContainer [2019-11-26 02:41:41,883 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-26 02:41:41,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:41:41,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:41:41,884 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:41:41,884 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:41:35" (3/4) ... [2019-11-26 02:41:41,886 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-11-26 02:41:42,025 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_25b33ca8-98dc-4683-8054-fd6e762aaef7/bin/utaipan/witness.graphml [2019-11-26 02:41:42,026 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:41:42,027 INFO L168 Benchmark]: Toolchain (without parser) took 27954.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 959.1 MB in the beginning and 867.9 MB in the end (delta: 91.2 MB). Peak memory consumption was 262.1 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,028 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:41:42,028 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,028 INFO L168 Benchmark]: Boogie Procedure Inliner took 90.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,029 INFO L168 Benchmark]: Boogie Preprocessor took 84.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,029 INFO L168 Benchmark]: RCFGBuilder took 20586.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,030 INFO L168 Benchmark]: TraceAbstraction took 6494.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 874.5 MB in the end (delta: 154.8 MB). Peak memory consumption was 154.8 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,031 INFO L168 Benchmark]: Witness Printer took 142.58 ms. Allocated memory is still 1.2 GB. Free memory was 874.5 MB in the beginning and 867.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:41:42,032 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 987.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 546.17 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 170.9 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 90.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 20586.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 103.6 MB). Peak memory consumption was 103.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6494.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 874.5 MB in the end (delta: 154.8 MB). Peak memory consumption was 154.8 MB. Max. memory is 11.5 GB. * Witness Printer took 142.58 ms. Allocated memory is still 1.2 GB. Free memory was 874.5 MB in the beginning and 867.9 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 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={1610612739:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] [L598] float x = __VERIFIER_nondet_float(); [L599] float y = 0.0f / 0.0f; VAL [bp_pow={1610612739:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, 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={1610612739:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, 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={1610612739:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] [L314] COND FALSE !(((iy) == 0)) VAL [bp_pow={1610612739:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] [L317] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [bp_pow={1610612739:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] [L318] COND TRUE ix == 0x3f800000 [L319] return one_pow; VAL [bp_pow={1610612739:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] [L603] float res = __ieee754_powf(x, y); [L587] return x != x; VAL [bp_pow={1610612739:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] [L606] COND TRUE !isnan_float(res) [L607] __VERIFIER_error() VAL [bp_pow={1610612739:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={3:0}, dp_l_pow={7:0}, 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={2:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 200 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.3s, 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, 0.5s 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, 2.8s SatisfiabilityAnalysisTime, 0.5s 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...