./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI --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 e1a8c6336781ddac35e005da0e56ac5957025880 .............................................................................................................................................................................. 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_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI --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 e1a8c6336781ddac35e005da0e56ac5957025880 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:03,014 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:03,017 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:03,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:03,065 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:03,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:03,072 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:03,078 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:03,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:03,086 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:03,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:03,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:03,090 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:03,093 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:03,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:03,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:03,098 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:03,103 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:03,106 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:03,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:03,118 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:03,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:03,124 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:03,125 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:03,134 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:03,134 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:03,135 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:03,137 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:03,137 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:03,139 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:03,139 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:03,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:03,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:03,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:03,145 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:03,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:03,146 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:03,147 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:03,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:03,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:03,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:03,151 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:25:03,194 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:03,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:03,195 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:03,196 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:03,196 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:03,196 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:03,197 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:25:03,197 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:03,203 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:03,203 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:25:03,204 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:25:03,205 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:03,205 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:25:03,205 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:25:03,205 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:25:03,206 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:03,207 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:03,207 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:25:03,207 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:03,207 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:03,207 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:03,208 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:03,208 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:03,208 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:03,208 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:03,209 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:03,209 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:03,209 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:03,209 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:03,211 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:03,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:03,212 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:03,212 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:03,212 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:03,212 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:25:03,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:25:03,213 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:03,213 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:03,213 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:03,214 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_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a8c6336781ddac35e005da0e56ac5957025880 [2021-10-11 02:25:03,505 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:03,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:03,534 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:03,535 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:03,536 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:03,537 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2021-10-11 02:25:03,606 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/1d0eecb72/ab0399fb1e14401db7e30bc718ff396e/FLAGe3b28e416 [2021-10-11 02:25:04,113 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:04,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2021-10-11 02:25:04,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/1d0eecb72/ab0399fb1e14401db7e30bc718ff396e/FLAGe3b28e416 [2021-10-11 02:25:04,441 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/1d0eecb72/ab0399fb1e14401db7e30bc718ff396e [2021-10-11 02:25:04,443 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:04,445 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:04,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:04,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:04,450 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:04,451 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:04" (1/1) ... [2021-10-11 02:25:04,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1983fcee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:04, skipping insertion in model container [2021-10-11 02:25:04,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:04" (1/1) ... [2021-10-11 02:25:04,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:04,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:04,770 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:1702) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.lambda$42(StandardFunctionHandler.java:359) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:234) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1402) 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:1972) 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:1601) 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:1046) 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:1578) 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:1046) 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:1424) 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:3213) at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2293) 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) [2021-10-11 02:25:04,776 INFO L168 Benchmark]: Toolchain (without parser) took 329.24 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 47.7 MB in the beginning and 82.2 MB in the end (delta: -34.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:04,776 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:04,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.84 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 47.5 MB in the beginning and 82.2 MB in the end (delta: -34.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:04,779 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 83.9 MB. Free memory is still 64.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 326.84 ms. Allocated memory was 83.9 MB in the beginning and 107.0 MB in the end (delta: 23.1 MB). Free memory was 47.5 MB in the beginning and 82.2 MB in the end (delta: -34.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - ExceptionOrErrorResult: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: createNanOrInfinity is unsupported in non-bitprecise translation: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.createNanOrInfinity(IntegerTranslation.java:835) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:25:06,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:25:06,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:25:07,026 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:25:07,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:25:07,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:25:07,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:25:07,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:25:07,053 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:25:07,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:25:07,061 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:25:07,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:25:07,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:25:07,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:25:07,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:25:07,067 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:25:07,068 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:25:07,069 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:25:07,071 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:25:07,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:25:07,086 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:25:07,087 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:25:07,090 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:25:07,093 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:25:07,098 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:25:07,099 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:25:07,099 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:25:07,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:25:07,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:25:07,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:25:07,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:25:07,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:25:07,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:25:07,103 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:25:07,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:25:07,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:25:07,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:25:07,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:25:07,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:25:07,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:25:07,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:25:07,111 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:25:07,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:25:07,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:25:07,136 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:25:07,136 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:25:07,136 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:25:07,137 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:25:07,137 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:25:07,137 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:25:07,137 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:25:07,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:25:07,138 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:25:07,138 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:25:07,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:25:07,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:25:07,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:25:07,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:25:07,139 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:25:07,140 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:25:07,140 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:25:07,140 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:25:07,140 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:25:07,140 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:25:07,140 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:25:07,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:25:07,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:25:07,141 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:25:07,141 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:25:07,142 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:25:07,142 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:25:07,142 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:25:07,142 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:25:07,142 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:25:07,142 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:25:07,143 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:25:07,143 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:25:07,143 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_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1a8c6336781ddac35e005da0e56ac5957025880 [2021-10-11 02:25:07,549 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:25:07,584 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:25:07,586 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:25:07,588 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:25:07,588 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:25:07,591 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2021-10-11 02:25:07,661 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/56a854c02/7a61dbd7fee245ab910d978d30d4e8a0/FLAG57bc57a67 [2021-10-11 02:25:08,298 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:25:08,299 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/sv-benchmarks/c/float-newlib/float_req_bl_0873b.c [2021-10-11 02:25:08,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/56a854c02/7a61dbd7fee245ab910d978d30d4e8a0/FLAG57bc57a67 [2021-10-11 02:25:08,586 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/data/56a854c02/7a61dbd7fee245ab910d978d30d4e8a0 [2021-10-11 02:25:08,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:25:08,591 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:25:08,593 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:08,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:25:08,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:25:08,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:08" (1/1) ... [2021-10-11 02:25:08,611 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61ee9d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:08, skipping insertion in model container [2021-10-11 02:25:08,612 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:25:08" (1/1) ... [2021-10-11 02:25:08,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:25:08,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:25:09,090 WARN L226 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_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/sv-benchmarks/c/float-newlib/float_req_bl_0873b.c[13770,13783] [2021-10-11 02:25:09,101 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:09,119 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:25:09,302 WARN L226 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_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/sv-benchmarks/c/float-newlib/float_req_bl_0873b.c[13770,13783] [2021-10-11 02:25:09,303 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:25:09,328 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:25:09,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09 WrapperNode [2021-10-11 02:25:09,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:25:09,330 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:09,330 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:25:09,330 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:25:09,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,441 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:25:09,443 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:25:09,444 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:25:09,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:25:09,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,483 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,483 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,534 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,579 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... [2021-10-11 02:25:09,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:25:09,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:25:09,603 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:25:09,603 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:25:09,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:09,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-11 02:25:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:25:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:25:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 02:25:09,677 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:25:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:25:09,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:25:09,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 02:25:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:25:09,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:25:47,395 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:25:47,396 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-10-11 02:25:47,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:47 BoogieIcfgContainer [2021-10-11 02:25:47,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:25:47,403 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:25:47,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:25:47,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:25:47,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:25:08" (1/3) ... [2021-10-11 02:25:47,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad76e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:47, skipping insertion in model container [2021-10-11 02:25:47,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:25:09" (2/3) ... [2021-10-11 02:25:47,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad76e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:25:47, skipping insertion in model container [2021-10-11 02:25:47,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:47" (3/3) ... [2021-10-11 02:25:47,410 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0873b.c [2021-10-11 02:25:47,423 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:25:47,429 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:25:47,441 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:25:47,479 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:25:47,479 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:25:47,480 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:25:47,480 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:25:47,480 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:25:47,480 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:25:47,481 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:25:47,481 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:25:47,502 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states. [2021-10-11 02:25:47,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-11 02:25:47,508 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:47,509 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:47,509 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:47,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:47,528 INFO L82 PathProgramCache]: Analyzing trace with hash -1640381008, now seen corresponding path program 1 times [2021-10-11 02:25:47,543 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:47,544 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [289521721] [2021-10-11 02:25:47,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:48,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:48,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:25:48,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:48,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:48,717 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:48,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [289521721] [2021-10-11 02:25:48,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:48,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:25:48,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509017405] [2021-10-11 02:25:48,723 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:25:48,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:48,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:25:48,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:48,738 INFO L87 Difference]: Start difference. First operand 197 states. Second operand 2 states. [2021-10-11 02:25:48,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:48,780 INFO L93 Difference]: Finished difference Result 392 states and 678 transitions. [2021-10-11 02:25:48,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:25:48,782 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2021-10-11 02:25:48,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:48,794 INFO L225 Difference]: With dead ends: 392 [2021-10-11 02:25:48,794 INFO L226 Difference]: Without dead ends: 194 [2021-10-11 02:25:48,798 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:25:48,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2021-10-11 02:25:48,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2021-10-11 02:25:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2021-10-11 02:25:48,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 254 transitions. [2021-10-11 02:25:48,853 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 254 transitions. Word has length 9 [2021-10-11 02:25:48,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:48,854 INFO L481 AbstractCegarLoop]: Abstraction has 194 states and 254 transitions. [2021-10-11 02:25:48,854 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:25:48,854 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 254 transitions. [2021-10-11 02:25:48,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:25:48,855 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:48,855 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:49,080 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:25:49,080 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:49,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:49,081 INFO L82 PathProgramCache]: Analyzing trace with hash 559104083, now seen corresponding path program 1 times [2021-10-11 02:25:49,081 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:49,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [857264059] [2021-10-11 02:25:49,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:50,236 INFO L263 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 8 conjunts are in the unsatisfiable core [2021-10-11 02:25:50,239 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:50,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:50,553 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:50,553 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [857264059] [2021-10-11 02:25:50,553 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:50,553 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:25:50,554 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82577079] [2021-10-11 02:25:50,555 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:50,555 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:50,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:50,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:50,557 INFO L87 Difference]: Start difference. First operand 194 states and 254 transitions. Second operand 5 states. [2021-10-11 02:25:50,911 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-10-11 02:25:51,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:51,060 INFO L93 Difference]: Finished difference Result 205 states and 269 transitions. [2021-10-11 02:25:51,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:51,062 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2021-10-11 02:25:51,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:51,063 INFO L225 Difference]: With dead ends: 205 [2021-10-11 02:25:51,063 INFO L226 Difference]: Without dead ends: 23 [2021-10-11 02:25:51,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:51,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2021-10-11 02:25:51,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2021-10-11 02:25:51,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2021-10-11 02:25:51,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2021-10-11 02:25:51,070 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 11 [2021-10-11 02:25:51,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:51,071 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2021-10-11 02:25:51,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:51,071 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2021-10-11 02:25:51,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-11 02:25:51,072 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:51,072 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:51,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:25:51,287 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:51,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:51,288 INFO L82 PathProgramCache]: Analyzing trace with hash -305854994, now seen corresponding path program 1 times [2021-10-11 02:25:51,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:51,289 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1385825134] [2021-10-11 02:25:51,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:25:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:52,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 15 conjunts are in the unsatisfiable core [2021-10-11 02:25:52,363 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:52,489 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-10-11 02:25:52,491 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:52,610 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-10-11 02:25:52,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:52,615 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-10-11 02:25:52,616 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:40, output treesize:41 [2021-10-11 02:25:52,744 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 16 [2021-10-11 02:25:52,745 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-10-11 02:25:52,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-10-11 02:25:52,810 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-10-11 02:25:52,811 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:47, output treesize:28 [2021-10-11 02:25:53,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:53,089 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:53,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1385825134] [2021-10-11 02:25:53,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:53,090 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:25:53,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472074616] [2021-10-11 02:25:53,091 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-10-11 02:25:53,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:53,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-11 02:25:53,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-11 02:25:53,094 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2021-10-11 02:25:53,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:53,915 INFO L93 Difference]: Finished difference Result 29 states and 33 transitions. [2021-10-11 02:25:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-11 02:25:53,917 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2021-10-11 02:25:53,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:53,917 INFO L225 Difference]: With dead ends: 29 [2021-10-11 02:25:53,918 INFO L226 Difference]: Without dead ends: 17 [2021-10-11 02:25:53,918 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-11 02:25:53,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2021-10-11 02:25:53,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-10-11 02:25:53,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2021-10-11 02:25:53,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 16 transitions. [2021-10-11 02:25:53,922 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 16 transitions. Word has length 13 [2021-10-11 02:25:53,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:53,922 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 16 transitions. [2021-10-11 02:25:53,922 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-10-11 02:25:53,922 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 16 transitions. [2021-10-11 02:25:53,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-11 02:25:53,923 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:25:53,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:25:54,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:25:54,123 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:25:54,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:25:54,124 INFO L82 PathProgramCache]: Analyzing trace with hash 749892930, now seen corresponding path program 1 times [2021-10-11 02:25:54,124 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:25:54,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141631687] [2021-10-11 02:25:54,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:25:55,193 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-11 02:25:55,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:25:55,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:25:55,454 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:25:55,454 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141631687] [2021-10-11 02:25:55,454 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:25:55,455 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-11 02:25:55,455 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670218088] [2021-10-11 02:25:55,455 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:25:55,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:25:55,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:25:55,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:25:55,456 INFO L87 Difference]: Start difference. First operand 17 states and 16 transitions. Second operand 5 states. [2021-10-11 02:25:55,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:25:55,777 INFO L93 Difference]: Finished difference Result 17 states and 16 transitions. [2021-10-11 02:25:55,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:25:55,777 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2021-10-11 02:25:55,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:25:55,778 INFO L225 Difference]: With dead ends: 17 [2021-10-11 02:25:55,778 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:25:55,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:25:55,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:25:55,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:25:55,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:25:55,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:25:55,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 16 [2021-10-11 02:25:55,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:25:55,780 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:25:55,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:25:55,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:25:55,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:25:55,987 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2021-10-11 02:25:55,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:25:56,478 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 42 [2021-10-11 02:25:56,610 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 17 [2021-10-11 02:25:56,809 INFO L262 CegarLoopResult]: For program point L531(lines 531 533) no Hoare annotation was computed. [2021-10-11 02:25:56,809 INFO L262 CegarLoopResult]: For program point L531-2(lines 522 534) no Hoare annotation was computed. [2021-10-11 02:25:56,809 INFO L262 CegarLoopResult]: For program point L532(lines 532 533) no Hoare annotation was computed. [2021-10-11 02:25:56,809 INFO L262 CegarLoopResult]: For program point L433-1(lines 433 437) no Hoare annotation was computed. [2021-10-11 02:25:56,809 INFO L262 CegarLoopResult]: For program point L367(lines 367 368) no Hoare annotation was computed. [2021-10-11 02:25:56,809 INFO L258 CegarLoopResult]: At program point L433-2(lines 433 437) the Hoare annotation is: false [2021-10-11 02:25:56,809 INFO L262 CegarLoopResult]: For program point L170-1(lines 170 174) no Hoare annotation was computed. [2021-10-11 02:25:56,809 INFO L258 CegarLoopResult]: At program point L170-2(lines 170 174) the Hoare annotation is: false [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L170-3(lines 170 174) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L600(lines 600 603) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L501(lines 501 502) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L402(lines 402 410) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L402-1(lines 402 410) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L303-1(lines 303 307) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L258 CegarLoopResult]: At program point L303-2(lines 303 307) the Hoare annotation is: (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp.div currentRoundingMode .cse0 (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~y) (= .cse0 ULTIMATE.start___ieee754_powf_~x)))) (= ~one_pow~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L601(line 601) no Hoare annotation was computed. [2021-10-11 02:25:56,810 INFO L262 CegarLoopResult]: For program point L238(lines 238 243) no Hoare annotation was computed. [2021-10-11 02:25:56,811 INFO L262 CegarLoopResult]: For program point L205-1(lines 205 209) no Hoare annotation was computed. [2021-10-11 02:25:56,811 INFO L262 CegarLoopResult]: For program point L139(lines 139 140) no Hoare annotation was computed. [2021-10-11 02:25:56,812 INFO L258 CegarLoopResult]: At program point L205-2(lines 205 209) the Hoare annotation is: false [2021-10-11 02:25:56,812 INFO L262 CegarLoopResult]: For program point L205-3(lines 205 209) no Hoare annotation was computed. [2021-10-11 02:25:56,812 INFO L262 CegarLoopResult]: For program point L139-2(lines 139 140) no Hoare annotation was computed. [2021-10-11 02:25:56,812 INFO L262 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2021-10-11 02:25:56,812 INFO L262 CegarLoopResult]: For program point L503-1(lines 297 586) no Hoare annotation was computed. [2021-10-11 02:25:56,813 INFO L262 CegarLoopResult]: For program point L338(lines 338 343) no Hoare annotation was computed. [2021-10-11 02:25:56,813 INFO L262 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2021-10-11 02:25:56,813 INFO L262 CegarLoopResult]: For program point L438(lines 438 442) no Hoare annotation was computed. [2021-10-11 02:25:56,813 INFO L262 CegarLoopResult]: For program point L438-1(lines 398 499) no Hoare annotation was computed. [2021-10-11 02:25:56,813 INFO L262 CegarLoopResult]: For program point L405-1(lines 405 409) no Hoare annotation was computed. [2021-10-11 02:25:56,813 INFO L258 CegarLoopResult]: At program point L405-2(lines 405 409) the Hoare annotation is: false [2021-10-11 02:25:56,814 INFO L262 CegarLoopResult]: For program point L538(lines 538 550) no Hoare annotation was computed. [2021-10-11 02:25:56,814 INFO L262 CegarLoopResult]: For program point L571-1(lines 571 575) no Hoare annotation was computed. [2021-10-11 02:25:56,814 INFO L258 CegarLoopResult]: At program point L571-2(lines 571 575) the Hoare annotation is: false [2021-10-11 02:25:56,814 INFO L262 CegarLoopResult]: For program point L538-2(lines 538 550) no Hoare annotation was computed. [2021-10-11 02:25:56,814 INFO L262 CegarLoopResult]: For program point L571-3(lines 571 575) no Hoare annotation was computed. [2021-10-11 02:25:56,815 INFO L262 CegarLoopResult]: For program point L472-1(lines 472 476) no Hoare annotation was computed. [2021-10-11 02:25:56,815 INFO L258 CegarLoopResult]: At program point L472-2(lines 472 476) the Hoare annotation is: false [2021-10-11 02:25:56,815 INFO L262 CegarLoopResult]: For program point L373(lines 373 374) no Hoare annotation was computed. [2021-10-11 02:25:56,815 INFO L262 CegarLoopResult]: For program point L340(lines 340 343) no Hoare annotation was computed. [2021-10-11 02:25:56,815 INFO L258 CegarLoopResult]: At program point L175(lines 111 176) the Hoare annotation is: false [2021-10-11 02:25:56,816 INFO L265 CegarLoopResult]: At program point L605(lines 588 606) the Hoare annotation is: true [2021-10-11 02:25:56,816 INFO L262 CegarLoopResult]: For program point L341(line 341) no Hoare annotation was computed. [2021-10-11 02:25:56,816 INFO L262 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2021-10-11 02:25:56,816 INFO L262 CegarLoopResult]: For program point L308-1(lines 297 586) no Hoare annotation was computed. [2021-10-11 02:25:56,816 INFO L262 CegarLoopResult]: For program point L341-2(line 341) no Hoare annotation was computed. [2021-10-11 02:25:56,816 INFO L262 CegarLoopResult]: For program point L308-2(lines 308 312) no Hoare annotation was computed. [2021-10-11 02:25:56,817 INFO L262 CegarLoopResult]: For program point L375(lines 375 499) no Hoare annotation was computed. [2021-10-11 02:25:56,817 INFO L262 CegarLoopResult]: For program point L375-2(lines 375 499) no Hoare annotation was computed. [2021-10-11 02:25:56,817 INFO L262 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2021-10-11 02:25:56,817 INFO L262 CegarLoopResult]: For program point L541-1(lines 541 545) no Hoare annotation was computed. [2021-10-11 02:25:56,817 INFO L262 CegarLoopResult]: For program point L508-1(lines 297 586) no Hoare annotation was computed. [2021-10-11 02:25:56,818 INFO L258 CegarLoopResult]: At program point L541-2(lines 541 545) the Hoare annotation is: false [2021-10-11 02:25:56,818 INFO L262 CegarLoopResult]: For program point L508-2(lines 508 512) no Hoare annotation was computed. [2021-10-11 02:25:56,818 INFO L262 CegarLoopResult]: For program point L541-3(lines 541 545) no Hoare annotation was computed. [2021-10-11 02:25:56,818 INFO L262 CegarLoopResult]: For program point L343(line 343) no Hoare annotation was computed. [2021-10-11 02:25:56,818 INFO L262 CegarLoopResult]: For program point L343-2(line 343) no Hoare annotation was computed. [2021-10-11 02:25:56,818 INFO L262 CegarLoopResult]: For program point L443(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:25:56,819 INFO L262 CegarLoopResult]: For program point L443-1(lines 398 499) no Hoare annotation was computed. [2021-10-11 02:25:56,819 INFO L262 CegarLoopResult]: For program point L377(lines 377 378) no Hoare annotation was computed. [2021-10-11 02:25:56,819 INFO L262 CegarLoopResult]: For program point L443-2(lines 443 447) no Hoare annotation was computed. [2021-10-11 02:25:56,819 INFO L262 CegarLoopResult]: For program point L212(lines 212 213) no Hoare annotation was computed. [2021-10-11 02:25:56,819 INFO L262 CegarLoopResult]: For program point L245-1(lines 245 249) no Hoare annotation was computed. [2021-10-11 02:25:56,820 INFO L258 CegarLoopResult]: At program point L245-2(lines 245 249) the Hoare annotation is: false [2021-10-11 02:25:56,820 INFO L262 CegarLoopResult]: For program point L179-1(lines 179 183) no Hoare annotation was computed. [2021-10-11 02:25:56,820 INFO L262 CegarLoopResult]: For program point L245-3(lines 245 249) no Hoare annotation was computed. [2021-10-11 02:25:56,820 INFO L258 CegarLoopResult]: At program point L179-2(lines 179 183) the Hoare annotation is: false [2021-10-11 02:25:56,820 INFO L262 CegarLoopResult]: For program point L179-5(lines 179 183) no Hoare annotation was computed. [2021-10-11 02:25:56,820 INFO L258 CegarLoopResult]: At program point L179-6(lines 179 183) the Hoare annotation is: false [2021-10-11 02:25:56,821 INFO L262 CegarLoopResult]: For program point L179-9(lines 179 183) no Hoare annotation was computed. [2021-10-11 02:25:56,821 INFO L258 CegarLoopResult]: At program point L179-10(lines 179 183) the Hoare annotation is: false [2021-10-11 02:25:56,821 INFO L262 CegarLoopResult]: For program point L477(lines 477 481) no Hoare annotation was computed. [2021-10-11 02:25:56,821 INFO L262 CegarLoopResult]: For program point L477-1(lines 398 499) no Hoare annotation was computed. [2021-10-11 02:25:56,821 INFO L262 CegarLoopResult]: For program point L477-2(lines 477 481) no Hoare annotation was computed. [2021-10-11 02:25:56,821 INFO L262 CegarLoopResult]: For program point L378(line 378) no Hoare annotation was computed. [2021-10-11 02:25:56,822 INFO L262 CegarLoopResult]: For program point L345(lines 345 350) no Hoare annotation was computed. [2021-10-11 02:25:56,822 INFO L262 CegarLoopResult]: For program point L378-2(line 378) no Hoare annotation was computed. [2021-10-11 02:25:56,822 INFO L258 CegarLoopResult]: At program point L147-2(lines 147 156) the Hoare annotation is: false [2021-10-11 02:25:56,822 INFO L262 CegarLoopResult]: For program point L147-3(lines 111 176) no Hoare annotation was computed. [2021-10-11 02:25:56,822 INFO L262 CegarLoopResult]: For program point L577(lines 577 584) no Hoare annotation was computed. [2021-10-11 02:25:56,822 INFO L262 CegarLoopResult]: For program point L379(lines 379 380) no Hoare annotation was computed. [2021-10-11 02:25:56,823 INFO L262 CegarLoopResult]: For program point L346(lines 346 349) no Hoare annotation was computed. [2021-10-11 02:25:56,823 INFO L262 CegarLoopResult]: For program point L214(lines 214 215) no Hoare annotation was computed. [2021-10-11 02:25:56,823 INFO L262 CegarLoopResult]: For program point L380(line 380) no Hoare annotation was computed. [2021-10-11 02:25:56,823 INFO L262 CegarLoopResult]: For program point L380-2(line 380) no Hoare annotation was computed. [2021-10-11 02:25:56,823 INFO L262 CegarLoopResult]: For program point L149(lines 149 153) no Hoare annotation was computed. [2021-10-11 02:25:56,823 INFO L262 CegarLoopResult]: For program point L116-1(lines 116 120) no Hoare annotation was computed. [2021-10-11 02:25:56,824 INFO L262 CegarLoopResult]: For program point L149-2(lines 149 153) no Hoare annotation was computed. [2021-10-11 02:25:56,824 INFO L258 CegarLoopResult]: At program point L116-2(lines 116 120) the Hoare annotation is: false [2021-10-11 02:25:56,824 INFO L262 CegarLoopResult]: For program point L116-3(lines 116 120) no Hoare annotation was computed. [2021-10-11 02:25:56,824 INFO L262 CegarLoopResult]: For program point L216(lines 216 226) no Hoare annotation was computed. [2021-10-11 02:25:56,824 INFO L262 CegarLoopResult]: For program point L216-2(lines 216 226) no Hoare annotation was computed. [2021-10-11 02:25:56,824 INFO L262 CegarLoopResult]: For program point L547(lines 547 548) no Hoare annotation was computed. [2021-10-11 02:25:56,825 INFO L262 CegarLoopResult]: For program point L580-1(lines 580 584) no Hoare annotation was computed. [2021-10-11 02:25:56,825 INFO L258 CegarLoopResult]: At program point L580-2(lines 580 584) the Hoare annotation is: false [2021-10-11 02:25:56,825 INFO L262 CegarLoopResult]: For program point L547-2(lines 547 548) no Hoare annotation was computed. [2021-10-11 02:25:56,825 INFO L262 CegarLoopResult]: For program point L580-3(lines 577 584) no Hoare annotation was computed. [2021-10-11 02:25:56,825 INFO L262 CegarLoopResult]: For program point L415(lines 415 423) no Hoare annotation was computed. [2021-10-11 02:25:56,825 INFO L262 CegarLoopResult]: For program point L316(lines 316 317) no Hoare annotation was computed. [2021-10-11 02:25:56,826 INFO L258 CegarLoopResult]: At program point L250(lines 201 251) the Hoare annotation is: false [2021-10-11 02:25:56,826 INFO L262 CegarLoopResult]: For program point L184(lines 184 188) no Hoare annotation was computed. [2021-10-11 02:25:56,826 INFO L262 CegarLoopResult]: For program point L184-1(lines 177 195) no Hoare annotation was computed. [2021-10-11 02:25:56,826 INFO L262 CegarLoopResult]: For program point L184-3(lines 184 188) no Hoare annotation was computed. [2021-10-11 02:25:56,826 INFO L262 CegarLoopResult]: For program point L184-4(lines 177 195) no Hoare annotation was computed. [2021-10-11 02:25:56,827 INFO L262 CegarLoopResult]: For program point L184-6(lines 184 188) no Hoare annotation was computed. [2021-10-11 02:25:56,827 INFO L262 CegarLoopResult]: For program point L184-7(lines 177 195) no Hoare annotation was computed. [2021-10-11 02:25:56,827 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:25:56,827 INFO L262 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2021-10-11 02:25:56,827 INFO L258 CegarLoopResult]: At program point L218-2(lines 218 222) the Hoare annotation is: false [2021-10-11 02:25:56,827 INFO L262 CegarLoopResult]: For program point L218-3(lines 218 222) no Hoare annotation was computed. [2021-10-11 02:25:56,828 INFO L262 CegarLoopResult]: For program point L516-1(lines 516 520) no Hoare annotation was computed. [2021-10-11 02:25:56,828 INFO L258 CegarLoopResult]: At program point L516-2(lines 516 520) the Hoare annotation is: false [2021-10-11 02:25:56,828 INFO L262 CegarLoopResult]: For program point L417(lines 417 423) no Hoare annotation was computed. [2021-10-11 02:25:56,828 INFO L262 CegarLoopResult]: For program point L516-3(lines 516 520) no Hoare annotation was computed. [2021-10-11 02:25:56,828 INFO L262 CegarLoopResult]: For program point L351(lines 351 352) no Hoare annotation was computed. [2021-10-11 02:25:56,828 INFO L262 CegarLoopResult]: For program point L319(lines 319 324) no Hoare annotation was computed. [2021-10-11 02:25:56,829 INFO L262 CegarLoopResult]: For program point L353(lines 353 356) no Hoare annotation was computed. [2021-10-11 02:25:56,829 INFO L262 CegarLoopResult]: For program point L320(lines 320 323) no Hoare annotation was computed. [2021-10-11 02:25:56,829 INFO L262 CegarLoopResult]: For program point L353-2(lines 353 356) no Hoare annotation was computed. [2021-10-11 02:25:56,829 INFO L262 CegarLoopResult]: For program point L254-1(lines 254 258) no Hoare annotation was computed. [2021-10-11 02:25:56,829 INFO L258 CegarLoopResult]: At program point L254-2(lines 254 258) the Hoare annotation is: false [2021-10-11 02:25:56,830 INFO L258 CegarLoopResult]: At program point L585(lines 297 586) the Hoare annotation is: (let ((.cse2 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 1.0)))) (and (exists ((currentRoundingMode RoundingMode)) (let ((.cse0 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (fp.div currentRoundingMode .cse0 (_ +zero 8 24))) (= .cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))))) (exists ((ULTIMATE.start___ieee754_powf_~hy~1 (_ BitVec 32)) (ULTIMATE.start___ieee754_powf_~hx~3 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse1 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hy~1) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hy~1)) (fp.div currentRoundingMode .cse1 (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hx~3) ULTIMATE.start___ieee754_powf_~ix~5) (= ULTIMATE.start___ieee754_powf_~iy~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_powf_~hy~1)) (= .cse1 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 30 23) ULTIMATE.start___ieee754_powf_~hx~3) ((_ extract 22 0) ULTIMATE.start___ieee754_powf_~hx~3)))))) (= |ULTIMATE.start___ieee754_powf_#res| .cse2) (exists ((currentRoundingMode RoundingMode)) (let ((.cse3 (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)))) (and (= (fp.div currentRoundingMode .cse3 (_ +zero 8 24)) ULTIMATE.start___ieee754_powf_~y) (= .cse3 ULTIMATE.start___ieee754_powf_~x)))) (= ~one_pow~0 .cse2))) [2021-10-11 02:25:56,830 INFO L262 CegarLoopResult]: For program point L552-1(lines 552 556) no Hoare annotation was computed. [2021-10-11 02:25:56,830 INFO L258 CegarLoopResult]: At program point L552-2(lines 552 556) the Hoare annotation is: false [2021-10-11 02:25:56,830 INFO L262 CegarLoopResult]: For program point L354(lines 354 355) no Hoare annotation was computed. [2021-10-11 02:25:56,831 INFO L262 CegarLoopResult]: For program point L387-1(lines 387 391) no Hoare annotation was computed. [2021-10-11 02:25:56,831 INFO L258 CegarLoopResult]: At program point L387-2(lines 387 391) the Hoare annotation is: false [2021-10-11 02:25:56,831 INFO L262 CegarLoopResult]: For program point L189(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:25:56,831 INFO L262 CegarLoopResult]: For program point L189-1(lines 177 195) no Hoare annotation was computed. [2021-10-11 02:25:56,831 INFO L262 CegarLoopResult]: For program point L123(lines 123 124) no Hoare annotation was computed. [2021-10-11 02:25:56,831 INFO L262 CegarLoopResult]: For program point L189-2(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:25:56,832 INFO L262 CegarLoopResult]: For program point L189-3(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:25:56,832 INFO L262 CegarLoopResult]: For program point L189-4(lines 177 195) no Hoare annotation was computed. [2021-10-11 02:25:56,832 INFO L262 CegarLoopResult]: For program point L189-5(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:25:56,832 INFO L262 CegarLoopResult]: For program point L189-6(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:25:56,832 INFO L262 CegarLoopResult]: For program point L189-7(lines 177 195) no Hoare annotation was computed. [2021-10-11 02:25:56,832 INFO L262 CegarLoopResult]: For program point L189-8(lines 189 193) no Hoare annotation was computed. [2021-10-11 02:25:56,833 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:25:56,833 INFO L262 CegarLoopResult]: For program point L488-1(lines 488 492) no Hoare annotation was computed. [2021-10-11 02:25:56,833 INFO L258 CegarLoopResult]: At program point L488-2(lines 488 492) the Hoare annotation is: false [2021-10-11 02:25:56,833 INFO L262 CegarLoopResult]: For program point L224(lines 224 225) no Hoare annotation was computed. [2021-10-11 02:25:56,833 INFO L262 CegarLoopResult]: For program point L158(lines 158 167) no Hoare annotation was computed. [2021-10-11 02:25:56,834 INFO L262 CegarLoopResult]: For program point L522(lines 522 534) no Hoare annotation was computed. [2021-10-11 02:25:56,834 INFO L262 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2021-10-11 02:25:56,834 INFO L262 CegarLoopResult]: For program point L523(lines 523 527) no Hoare annotation was computed. [2021-10-11 02:25:56,834 INFO L262 CegarLoopResult]: For program point L424(lines 424 428) no Hoare annotation was computed. [2021-10-11 02:25:56,834 INFO L262 CegarLoopResult]: For program point L424-1(lines 398 499) no Hoare annotation was computed. [2021-10-11 02:25:56,834 INFO L262 CegarLoopResult]: For program point L424-2(lines 424 428) no Hoare annotation was computed. [2021-10-11 02:25:56,835 INFO L262 CegarLoopResult]: For program point L259(lines 259 263) no Hoare annotation was computed. [2021-10-11 02:25:56,835 INFO L262 CegarLoopResult]: For program point L259-1(lines 252 265) no Hoare annotation was computed. [2021-10-11 02:25:56,835 INFO L262 CegarLoopResult]: For program point L259-2(lines 259 263) no Hoare annotation was computed. [2021-10-11 02:25:56,835 INFO L262 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-10-11 02:25:56,835 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:25:56,836 INFO L262 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2021-10-11 02:25:56,836 INFO L262 CegarLoopResult]: For program point L557-1(lines 297 586) no Hoare annotation was computed. [2021-10-11 02:25:56,836 INFO L262 CegarLoopResult]: For program point L557-2(lines 557 561) no Hoare annotation was computed. [2021-10-11 02:25:56,849 INFO L262 CegarLoopResult]: For program point L458-1(lines 458 462) no Hoare annotation was computed. [2021-10-11 02:25:56,849 INFO L262 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2021-10-11 02:25:56,849 INFO L258 CegarLoopResult]: At program point L458-2(lines 458 462) the Hoare annotation is: false [2021-10-11 02:25:56,849 INFO L262 CegarLoopResult]: For program point L392-1(lines 375 398) no Hoare annotation was computed. [2021-10-11 02:25:56,849 INFO L262 CegarLoopResult]: For program point L326(lines 326 335) no Hoare annotation was computed. [2021-10-11 02:25:56,850 INFO L262 CegarLoopResult]: For program point L392-2(lines 392 396) no Hoare annotation was computed. [2021-10-11 02:25:56,850 INFO L262 CegarLoopResult]: For program point L326-1(lines 297 586) no Hoare annotation was computed. [2021-10-11 02:25:56,850 INFO L258 CegarLoopResult]: At program point L194(lines 177 195) the Hoare annotation is: false [2021-10-11 02:25:56,850 INFO L258 CegarLoopResult]: At program point L194-1(lines 177 195) the Hoare annotation is: false [2021-10-11 02:25:56,850 INFO L262 CegarLoopResult]: For program point L128(lines 128 129) no Hoare annotation was computed. [2021-10-11 02:25:56,850 INFO L258 CegarLoopResult]: At program point L194-2(lines 177 195) the Hoare annotation is: false [2021-10-11 02:25:56,850 INFO L262 CegarLoopResult]: For program point L525(lines 525 527) no Hoare annotation was computed. [2021-10-11 02:25:56,851 INFO L262 CegarLoopResult]: For program point L360(lines 360 371) no Hoare annotation was computed. [2021-10-11 02:25:56,851 INFO L262 CegarLoopResult]: For program point L327(lines 327 334) no Hoare annotation was computed. [2021-10-11 02:25:56,851 INFO L262 CegarLoopResult]: For program point L228(lines 228 229) no Hoare annotation was computed. [2021-10-11 02:25:56,851 INFO L262 CegarLoopResult]: For program point L162(lines 162 165) no Hoare annotation was computed. [2021-10-11 02:25:56,851 INFO L262 CegarLoopResult]: For program point L526(lines 526 527) no Hoare annotation was computed. [2021-10-11 02:25:56,851 INFO L262 CegarLoopResult]: For program point L493(lines 493 497) no Hoare annotation was computed. [2021-10-11 02:25:56,852 INFO L262 CegarLoopResult]: For program point L493-1(lines 398 499) no Hoare annotation was computed. [2021-10-11 02:25:56,852 INFO L262 CegarLoopResult]: For program point L493-2(lines 493 497) no Hoare annotation was computed. [2021-10-11 02:25:56,852 INFO L262 CegarLoopResult]: For program point L362(lines 362 363) no Hoare annotation was computed. [2021-10-11 02:25:56,852 INFO L262 CegarLoopResult]: For program point L329(lines 329 334) no Hoare annotation was computed. [2021-10-11 02:25:56,852 INFO L262 CegarLoopResult]: For program point L362-2(lines 360 371) no Hoare annotation was computed. [2021-10-11 02:25:56,852 INFO L262 CegarLoopResult]: For program point L230(lines 230 237) no Hoare annotation was computed. [2021-10-11 02:25:56,857 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:25:56,857 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 601) no Hoare annotation was computed. [2021-10-11 02:25:56,858 INFO L258 CegarLoopResult]: At program point L264(lines 252 265) the Hoare annotation is: false [2021-10-11 02:25:56,858 INFO L262 CegarLoopResult]: For program point L231-1(lines 231 235) no Hoare annotation was computed. [2021-10-11 02:25:56,858 INFO L258 CegarLoopResult]: At program point L231-2(lines 231 235) the Hoare annotation is: false [2021-10-11 02:25:56,858 INFO L262 CegarLoopResult]: For program point L132(lines 132 136) no Hoare annotation was computed. [2021-10-11 02:25:56,858 INFO L262 CegarLoopResult]: For program point L231-3(lines 231 235) no Hoare annotation was computed. [2021-10-11 02:25:56,858 INFO L262 CegarLoopResult]: For program point L132-2(lines 132 136) no Hoare annotation was computed. [2021-10-11 02:25:56,858 INFO L262 CegarLoopResult]: For program point L529(lines 529 533) no Hoare annotation was computed. [2021-10-11 02:25:56,859 INFO L262 CegarLoopResult]: For program point L463(lines 463 467) no Hoare annotation was computed. [2021-10-11 02:25:56,859 INFO L262 CegarLoopResult]: For program point L463-1(lines 398 499) no Hoare annotation was computed. [2021-10-11 02:25:56,859 INFO L262 CegarLoopResult]: For program point L463-2(lines 463 467) no Hoare annotation was computed. [2021-10-11 02:25:56,859 INFO L262 CegarLoopResult]: For program point L364(lines 364 369) no Hoare annotation was computed. [2021-10-11 02:25:56,859 INFO L262 CegarLoopResult]: For program point L133-2(lines 133 134) no Hoare annotation was computed. [2021-10-11 02:25:56,859 INFO L258 CegarLoopResult]: At program point L133-3(lines 133 134) the Hoare annotation is: false [2021-10-11 02:25:56,859 INFO L262 CegarLoopResult]: For program point L133-4(lines 133 134) no Hoare annotation was computed. [2021-10-11 02:25:56,860 INFO L262 CegarLoopResult]: For program point L365(lines 365 368) no Hoare annotation was computed. [2021-10-11 02:25:56,860 INFO L262 CegarLoopResult]: For program point L332(lines 332 333) no Hoare annotation was computed. [2021-10-11 02:25:56,870 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,873 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,874 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,875 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,876 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,885 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,886 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:56,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:56,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,887 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,888 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,889 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,894 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,895 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:56,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:25:56 BoogieIcfgContainer [2021-10-11 02:25:56,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:25:56,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:25:56,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:25:56,910 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:25:56,911 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:25:47" (3/4) ... [2021-10-11 02:25:56,914 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:25:56,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-11 02:25:56,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-11 02:25:56,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:56,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:25:56,976 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) [2021-10-11 02:25:57,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a4e54c69-0cfb-4cfa-aa6c-a25dd154e653/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:25:57,040 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:25:57,041 INFO L168 Benchmark]: Toolchain (without parser) took 48449.02 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.6 MB in the beginning and 37.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,041 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:25:57,041 INFO L168 Benchmark]: CACSL2BoogieTranslator took 735.73 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.5 MB in the beginning and 53.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,042 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.76 ms. Allocated memory is still 79.7 MB. Free memory was 53.1 MB in the beginning and 48.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,042 INFO L168 Benchmark]: Boogie Preprocessor took 158.48 ms. Allocated memory is still 79.7 MB. Free memory was 48.5 MB in the beginning and 43.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,042 INFO L168 Benchmark]: RCFGBuilder took 37797.58 ms. Allocated memory is still 79.7 MB. Free memory was 43.4 MB in the beginning and 45.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,043 INFO L168 Benchmark]: TraceAbstraction took 9506.51 ms. Allocated memory is still 79.7 MB. Free memory was 45.3 MB in the beginning and 50.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,043 INFO L168 Benchmark]: Witness Printer took 129.90 ms. Allocated memory is still 79.7 MB. Free memory was 50.5 MB in the beginning and 37.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:25:57,045 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 65.0 MB. Free memory is still 46.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 735.73 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 44.5 MB in the beginning and 53.1 MB in the end (delta: -8.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 112.76 ms. Allocated memory is still 79.7 MB. Free memory was 53.1 MB in the beginning and 48.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 158.48 ms. Allocated memory is still 79.7 MB. Free memory was 48.5 MB in the beginning and 43.4 MB in the end (delta: 5.0 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 37797.58 ms. Allocated memory is still 79.7 MB. Free memory was 43.4 MB in the beginning and 45.8 MB in the end (delta: -2.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 9506.51 ms. Allocated memory is still 79.7 MB. Free memory was 45.3 MB in the beginning and 50.5 MB in the end (delta: -5.1 MB). Peak memory consumption was 22.8 MB. Max. memory is 16.1 GB. * Witness Printer took 129.90 ms. Allocated memory is still 79.7 MB. Free memory was 50.5 MB in the beginning and 37.9 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 601]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 201]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 254]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 170]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 245]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 297]: Loop Invariant [2021-10-11 02:25:57,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,061 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hy~1,QUANTIFIED] [2021-10-11 02:25:57,062 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_powf_~hx~3,QUANTIFIED] [2021-10-11 02:25:57,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0])) && (\exists ULTIMATE.start___ieee754_powf_~hy~1 : bv32, ULTIMATE.start___ieee754_powf_~hx~3 : bv32, currentRoundingMode : FloatRoundingMode :: ((~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hy~1[31:31], ULTIMATE.start___ieee754_powf_~hy~1[30:23], ULTIMATE.start___ieee754_powf_~hy~1[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hx~3) == ix) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_powf_~hy~1)) && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_powf_~hx~3[31:31], ULTIMATE.start___ieee754_powf_~hx~3[30:23], ULTIMATE.start___ieee754_powf_~hx~3[22:0]))) && \result == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x)) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 588]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 303]: Loop Invariant [2021-10-11 02:25:57,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,065 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2021-10-11 02:25:57,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == y && ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)) == x) && one_pow == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0)) - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 433]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 571]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 231]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 147]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 580]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 472]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 252]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 405]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 458]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 205]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 197 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8.5s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 293 SDtfs, 98 SDslu, 38 SDs, 0 SdLazy, 44 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=197occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 32 LocationsWithAnnotation, 32 PreInvPairs, 35 NumberOfFragments, 155 HoareAnnotationTreeSize, 32 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 32 FomulaSimplificationsInter, 58 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 45 ConstructedInterpolants, 13 QuantifiedInterpolants, 5333 SizeOfPredicates, 23 NumberOfNonLiveVariables, 470 ConjunctsInSsa, 28 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 correct! Received shutdown request...