./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 e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b .............................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b ......................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.1-dev-e943c26 [2021-10-24 09:40:52,043 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:40:52,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:40:52,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:40:52,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:40:52,096 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:40:52,098 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:40:52,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:40:52,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:40:52,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:40:52,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:40:52,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:40:52,112 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:40:52,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:40:52,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:40:52,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:40:52,123 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:40:52,124 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:40:52,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:40:52,134 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:40:52,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:40:52,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:40:52,140 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:40:52,141 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:40:52,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:40:52,150 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:40:52,151 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:40:52,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:40:52,153 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:40:52,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:40:52,156 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:40:52,157 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:40:52,158 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:40:52,159 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:40:52,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:40:52,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:40:52,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:40:52,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:40:52,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:40:52,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:40:52,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:40:52,165 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-24 09:40:52,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:40:52,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:40:52,209 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:40:52,210 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:40:52,210 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:40:52,210 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:40:52,210 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-24 09:40:52,211 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:40:52,211 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:40:52,211 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-24 09:40:52,211 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-24 09:40:52,211 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:40:52,212 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-24 09:40:52,212 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-24 09:40:52,212 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-24 09:40:52,213 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:40:52,213 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:40:52,213 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-24 09:40:52,213 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:40:52,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:40:52,214 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:40:52,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:40:52,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:40:52,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:40:52,215 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:40:52,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:40:52,215 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:40:52,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:40:52,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:40:52,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:40:52,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:40:52,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:40:52,216 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:40:52,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:40:52,217 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-24 09:40:52,217 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-24 09:40:52,217 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:40:52,217 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:40:52,218 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:40:52,218 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b [2021-10-24 09:40:52,517 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:40:52,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:40:52,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:40:52,552 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:40:52,553 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:40:52,553 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-10-24 09:40:52,611 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/4a547093c/0d2265c4f2ea4d47894d67b600f20a4b/FLAGb7aede2a0 [2021-10-24 09:40:53,153 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:40:53,154 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-10-24 09:40:53,164 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/4a547093c/0d2265c4f2ea4d47894d67b600f20a4b/FLAGb7aede2a0 [2021-10-24 09:40:53,482 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/4a547093c/0d2265c4f2ea4d47894d67b600f20a4b [2021-10-24 09:40:53,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:40:53,485 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:40:53,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:53,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:40:53,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:40:53,494 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:53" (1/1) ... [2021-10-24 09:40:53,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c4e41f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:53, skipping insertion in model container [2021-10-24 09:40:53,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:53" (1/1) ... [2021-10-24 09:40:53,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:40:53,558 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:40:53,858 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:1686) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:361) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:236) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1408) 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:1978) 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:1607) 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:1052) 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:1584) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:229) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1052) 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:1430) 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:3218) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2299) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:580) 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) [2021-10-24 09:40:53,863 INFO L168 Benchmark]: Toolchain (without parser) took 376.74 ms. Allocated memory is still 113.2 MB. Free memory was 74.6 MB in the beginning and 86.6 MB in the end (delta: -12.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:53,864 INFO L168 Benchmark]: CDTParser took 0.83 ms. Allocated memory is still 113.2 MB. Free memory is still 91.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:40:53,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.64 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 86.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:40:53,866 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.83 ms. Allocated memory is still 113.2 MB. Free memory is still 91.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 371.64 ms. Allocated memory is still 113.2 MB. Free memory was 74.5 MB in the beginning and 86.6 MB in the end (delta: -12.1 MB). Peak memory consumption was 10.5 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 0.2.1-dev-e943c26 [2021-10-24 09:40:56,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-24 09:40:56,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-24 09:40:56,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-24 09:40:56,102 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-24 09:40:56,103 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-24 09:40:56,105 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-24 09:40:56,107 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-24 09:40:56,109 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-24 09:40:56,110 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-24 09:40:56,111 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-24 09:40:56,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-24 09:40:56,113 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-24 09:40:56,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-24 09:40:56,121 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-24 09:40:56,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-24 09:40:56,125 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-24 09:40:56,126 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-24 09:40:56,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-24 09:40:56,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-24 09:40:56,140 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-24 09:40:56,141 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-24 09:40:56,144 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-24 09:40:56,146 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-24 09:40:56,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-24 09:40:56,151 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-24 09:40:56,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-24 09:40:56,163 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-24 09:40:56,163 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-24 09:40:56,164 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-24 09:40:56,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-24 09:40:56,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-24 09:40:56,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-24 09:40:56,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-24 09:40:56,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-24 09:40:56,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-24 09:40:56,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-24 09:40:56,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-24 09:40:56,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-24 09:40:56,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-24 09:40:56,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-24 09:40:56,177 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-24 09:40:56,203 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-24 09:40:56,203 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-24 09:40:56,204 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-24 09:40:56,204 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-24 09:40:56,204 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-24 09:40:56,205 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-24 09:40:56,205 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-24 09:40:56,205 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-24 09:40:56,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-24 09:40:56,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-24 09:40:56,206 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-24 09:40:56,206 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-24 09:40:56,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-24 09:40:56,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-24 09:40:56,207 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-24 09:40:56,207 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-24 09:40:56,207 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-24 09:40:56,208 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-24 09:40:56,208 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-24 09:40:56,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-24 09:40:56,208 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-24 09:40:56,208 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-24 09:40:56,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-24 09:40:56,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-24 09:40:56,209 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-24 09:40:56,209 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-24 09:40:56,209 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:40:56,210 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-24 09:40:56,210 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-24 09:40:56,210 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-24 09:40:56,210 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-24 09:40:56,210 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-24 09:40:56,211 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-24 09:40:56,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-24 09:40:56,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-24 09:40:56,211 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_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bd3d677fdf67dacdef98bd20ba7d08579ffed91ded83a3af991b1498e0eb81b [2021-10-24 09:40:56,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-24 09:40:56,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-24 09:40:56,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-24 09:40:56,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-24 09:40:56,602 INFO L275 PluginConnector]: CDTParser initialized [2021-10-24 09:40:56,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/../../sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-10-24 09:40:56,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/8564844f0/da8661f81d6d4dc097d95a1cbaf13246/FLAG9c745cd94 [2021-10-24 09:40:57,295 INFO L306 CDTParser]: Found 1 translation units. [2021-10-24 09:40:57,296 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c [2021-10-24 09:40:57,306 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/8564844f0/da8661f81d6d4dc097d95a1cbaf13246/FLAG9c745cd94 [2021-10-24 09:40:57,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/data/8564844f0/da8661f81d6d4dc097d95a1cbaf13246 [2021-10-24 09:40:57,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-24 09:40:57,619 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-24 09:40:57,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:57,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-24 09:40:57,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-24 09:40:57,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:57" (1/1) ... [2021-10-24 09:40:57,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325fa95a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:57, skipping insertion in model container [2021-10-24 09:40:57,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 09:40:57" (1/1) ... [2021-10-24 09:40:57,645 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-24 09:40:57,692 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-24 09:40:58,016 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c[13991,14004] [2021-10-24 09:40:58,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:40:58,033 INFO L203 MainTranslator]: Completed pre-run [2021-10-24 09:40:58,155 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/sv-benchmarks/c/float-newlib/float_req_bl_0870a.c[13991,14004] [2021-10-24 09:40:58,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-24 09:40:58,193 INFO L208 MainTranslator]: Completed translation [2021-10-24 09:40:58,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58 WrapperNode [2021-10-24 09:40:58,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-24 09:40:58,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-24 09:40:58,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-24 09:40:58,196 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-24 09:40:58,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,339 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-24 09:40:58,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-24 09:40:58,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-24 09:40:58,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-24 09:40:58,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,365 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,420 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,470 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-24 09:40:58,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-24 09:40:58,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-24 09:40:58,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-24 09:40:58,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (1/1) ... [2021-10-24 09:40:58,504 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-24 09:40:58,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/z3 [2021-10-24 09:40:58,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-24 09:40:58,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-24 09:40:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-24 09:40:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-24 09:40:58,578 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-24 09:40:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-24 09:40:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-24 09:40:58,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-24 09:40:58,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-24 09:40:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-24 09:40:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-24 09:40:58,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-24 09:41:23,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-24 09:41:23,395 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-10-24 09:41:23,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:23 BoogieIcfgContainer [2021-10-24 09:41:23,398 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-24 09:41:23,399 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-24 09:41:23,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-24 09:41:23,402 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-24 09:41:23,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 09:40:57" (1/3) ... [2021-10-24 09:41:23,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6524ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:41:23, skipping insertion in model container [2021-10-24 09:41:23,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 09:40:58" (2/3) ... [2021-10-24 09:41:23,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f6524ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 09:41:23, skipping insertion in model container [2021-10-24 09:41:23,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:23" (3/3) ... [2021-10-24 09:41:23,406 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0870a.c [2021-10-24 09:41:23,411 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-24 09:41:23,411 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-24 09:41:23,461 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-24 09:41:23,467 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-24 09:41:23,468 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-24 09:41:23,489 INFO L276 IsEmpty]: Start isEmpty. Operand has 200 states, 198 states have (on average 1.7373737373737375) internal successors, (344), 199 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:23,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-24 09:41:23,495 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:23,495 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:23,501 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:41:23,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:23,507 INFO L82 PathProgramCache]: Analyzing trace with hash 483165043, now seen corresponding path program 1 times [2021-10-24 09:41:23,519 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:41:23,520 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1588047584] [2021-10-24 09:41:23,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:23,521 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:41:23,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:41:23,525 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:41:23,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-24 09:41:24,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:24,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-24 09:41:24,485 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:41:24,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:24,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:41:24,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:24,697 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:41:24,697 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1588047584] [2021-10-24 09:41:24,698 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1588047584] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:24,698 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:24,698 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2021-10-24 09:41:24,700 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151970536] [2021-10-24 09:41:24,704 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-24 09:41:24,705 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:41:24,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-24 09:41:24,720 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:41:24,726 INFO L87 Difference]: Start difference. First operand has 200 states, 198 states have (on average 1.7373737373737375) internal successors, (344), 199 states have internal predecessors, (344), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:24,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:24,768 INFO L93 Difference]: Finished difference Result 397 states and 684 transitions. [2021-10-24 09:41:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-24 09:41:24,770 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2021-10-24 09:41:24,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:24,781 INFO L225 Difference]: With dead ends: 397 [2021-10-24 09:41:24,781 INFO L226 Difference]: Without dead ends: 196 [2021-10-24 09:41:24,785 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-24 09:41:24,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-24 09:41:24,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2021-10-24 09:41:24,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 196 states, 195 states have (on average 1.3128205128205128) internal successors, (256), 195 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 256 transitions. [2021-10-24 09:41:24,839 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 256 transitions. Word has length 11 [2021-10-24 09:41:24,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:24,839 INFO L470 AbstractCegarLoop]: Abstraction has 196 states and 256 transitions. [2021-10-24 09:41:24,840 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:24,840 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 256 transitions. [2021-10-24 09:41:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-24 09:41:24,841 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:24,841 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:24,875 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-24 09:41:25,055 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:41:25,055 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:41:25,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:25,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1070268880, now seen corresponding path program 1 times [2021-10-24 09:41:25,057 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:41:25,058 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [433142011] [2021-10-24 09:41:25,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:25,058 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:41:25,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:41:25,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:41:25,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2021-10-24 09:41:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-24 09:41:25,931 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-24 09:41:25,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-24 09:41:26,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:26,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-24 09:41:27,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-24 09:41:27,446 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-24 09:41:27,447 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [433142011] [2021-10-24 09:41:27,447 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [433142011] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-24 09:41:27,447 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-24 09:41:27,447 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6, 6] imperfect sequences [] total 10 [2021-10-24 09:41:27,447 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361261929] [2021-10-24 09:41:27,449 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-24 09:41:27,449 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-24 09:41:27,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-24 09:41:27,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-10-24 09:41:27,450 INFO L87 Difference]: Start difference. First operand 196 states and 256 transitions. Second operand has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:27,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-24 09:41:27,916 INFO L93 Difference]: Finished difference Result 201 states and 260 transitions. [2021-10-24 09:41:27,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-24 09:41:27,919 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2021-10-24 09:41:27,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-24 09:41:27,919 INFO L225 Difference]: With dead ends: 201 [2021-10-24 09:41:27,920 INFO L226 Difference]: Without dead ends: 16 [2021-10-24 09:41:27,921 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1191.2ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-10-24 09:41:27,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2021-10-24 09:41:27,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2021-10-24 09:41:27,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:27,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2021-10-24 09:41:27,925 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 13 [2021-10-24 09:41:27,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-24 09:41:27,925 INFO L470 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2021-10-24 09:41:27,925 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-24 09:41:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2021-10-24 09:41:27,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-24 09:41:27,926 INFO L504 BasicCegarLoop]: Found error trace [2021-10-24 09:41:27,927 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-24 09:41:27,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (3)] Ended with exit code 0 [2021-10-24 09:41:28,151 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:41:28,151 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-24 09:41:28,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-24 09:41:28,152 INFO L82 PathProgramCache]: Analyzing trace with hash 753134645, now seen corresponding path program 1 times [2021-10-24 09:41:28,152 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-24 09:41:28,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846956011] [2021-10-24 09:41:28,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-24 09:41:28,153 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-24 09:41:28,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat [2021-10-24 09:41:28,154 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-24 09:41:28,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2021-10-24 09:41:29,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:41:29,405 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-24 09:41:30,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-24 09:41:30,887 INFO L133 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2021-10-24 09:41:30,888 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-24 09:41:30,889 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-24 09:41:30,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 (4)] Ended with exit code 0 [2021-10-24 09:41:31,097 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/mathsat -unsat_core_generation=3 [2021-10-24 09:41:31,103 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-24 09:41:31,199 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 09:41:31 BoogieIcfgContainer [2021-10-24 09:41:31,200 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-24 09:41:31,200 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-24 09:41:31,200 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-24 09:41:31,201 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-24 09:41:31,201 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 09:41:23" (3/4) ... [2021-10-24 09:41:31,203 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-24 09:41:31,295 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/witness.graphml [2021-10-24 09:41:31,296 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-24 09:41:31,297 INFO L168 Benchmark]: Toolchain (without parser) took 33677.71 ms. Allocated memory was 54.5 MB in the beginning and 86.0 MB in the end (delta: 31.5 MB). Free memory was 30.6 MB in the beginning and 49.0 MB in the end (delta: -18.4 MB). Peak memory consumption was 13.1 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,297 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-24 09:41:31,297 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.56 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.4 MB in the beginning and 40.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,298 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.06 ms. Allocated memory is still 71.3 MB. Free memory was 40.2 MB in the beginning and 49.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,298 INFO L168 Benchmark]: Boogie Preprocessor took 152.88 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 44.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,298 INFO L168 Benchmark]: RCFGBuilder took 24903.96 ms. Allocated memory is still 71.3 MB. Free memory was 44.7 MB in the beginning and 33.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,299 INFO L168 Benchmark]: TraceAbstraction took 7800.37 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 32.5 MB in the beginning and 56.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,299 INFO L168 Benchmark]: Witness Printer took 95.44 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 49.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-24 09:41:31,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 35.6 MB in the beginning and 35.5 MB in the end (delta: 38.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 574.56 ms. Allocated memory was 54.5 MB in the beginning and 71.3 MB in the end (delta: 16.8 MB). Free memory was 30.4 MB in the beginning and 40.2 MB in the end (delta: -9.8 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.06 ms. Allocated memory is still 71.3 MB. Free memory was 40.2 MB in the beginning and 49.6 MB in the end (delta: -9.4 MB). Peak memory consumption was 6.9 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 152.88 ms. Allocated memory is still 71.3 MB. Free memory was 49.6 MB in the beginning and 44.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 24903.96 ms. Allocated memory is still 71.3 MB. Free memory was 44.7 MB in the beginning and 33.1 MB in the end (delta: 11.6 MB). Peak memory consumption was 20.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7800.37 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 32.5 MB in the beginning and 56.2 MB in the end (delta: -23.7 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. * Witness Printer took 95.44 ms. Allocated memory is still 86.0 MB. Free memory was 56.2 MB in the beginning and 49.0 MB in the end (delta: 7.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 609]: a call to reach_error is reachable a call to reach_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={2147483642:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] [L600] float x = __VERIFIER_nondet_float(); [L601] float y = 0.0f / 0.0f; VAL [bp_pow={2147483642:0}, cp=0.9617967009544373, cp=0.000004701738362200558, cp=0.9617919921875, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, 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={2147483642:0}, cp=0.9617967009544373, cp=0.9617919921875, cp=0.000004701738362200558, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, 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={2147483642:0}, cp=0.000004701738362200558, cp=0.9617967009544373, cp=0.9617919921875, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] [L316] COND FALSE !(((iy) == 0)) VAL [bp_pow={2147483642:0}, cp=0.000004701738362200558, cp=0.9617919921875, cp=0.9617967009544373, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] [L319] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) VAL [bp_pow={2147483642:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] [L320] COND TRUE ix == 0x3f800000 [L321] return one_pow; VAL [bp_pow={2147483642:0}, cp=0.9617919921875, cp=0.000004701738362200558, cp=0.9617967009544373, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] [L605] float res = __ieee754_powf(x, y); [L589] return x != x; VAL [bp_pow={2147483642:0}, cp=0.9617967009544373, cp=0.9617919921875, cp=0.000004701738362200558, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] [L608] COND TRUE !isnan_float(res) [L609] reach_error() VAL [bp_pow={2147483642:0}, cp=0.9617919921875, cp=0.9617967009544373, cp=0.000004701738362200558, dp_h_pow={1073741822:0}, dp_l_pow={1073741819:0}, 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={5:0}, zero_pow=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 200 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7642.1ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 12.1ms, AutomataDifference: 551.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 272 SDtfs, 64 SDslu, 18 SDs, 0 SdLazy, 9 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 109.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1191.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=200occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 43.4ms AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 80.5ms SsaConstructionTime, 2705.8ms SatisfiabilityAnalysisTime, 1824.1ms InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 11 QuantifiedInterpolants, 192 SizeOfPredicates, 8 NumberOfNonLiveVariables, 232 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! [2021-10-24 09:41:31,447 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9a8a98b8-4b67-40ca-a7c1-5bb045f85cfd/bin/utaipan-9zjyvhn0QE/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...