./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.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-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan --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 85aaf303180fb147289175deaade998fcb26e6b2 .................................................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c -s /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan --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 85aaf303180fb147289175deaade998fcb26e6b2 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:50:03,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:50:03,191 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:50:03,235 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:50:03,236 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:50:03,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:50:03,239 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:50:03,241 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:50:03,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:50:03,243 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:50:03,244 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:50:03,245 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:50:03,246 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:50:03,246 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:50:03,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:50:03,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:50:03,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:50:03,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:50:03,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:50:03,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:50:03,254 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:50:03,255 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:50:03,256 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:50:03,257 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:50:03,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:50:03,260 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:50:03,260 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:50:03,261 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:50:03,261 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:50:03,262 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:50:03,262 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:50:03,263 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:50:03,264 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:50:03,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:50:03,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:50:03,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:50:03,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:50:03,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:50:03,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:50:03,266 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:50:03,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:50:03,268 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 12:50:03,289 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:50:03,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:50:03,290 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:50:03,290 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:50:03,291 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:50:03,291 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:50:03,291 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 12:50:03,291 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:50:03,291 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:50:03,291 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 12:50:03,292 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 12:50:03,292 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:50:03,292 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 12:50:03,292 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 12:50:03,292 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 12:50:03,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:50:03,293 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:50:03,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 12:50:03,293 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:50:03,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:50:03,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 12:50:03,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:50:03,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 12:50:03,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:50:03,294 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:50:03,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 12:50:03,295 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:50:03,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 12:50:03,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:50:03,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:50:03,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:50:03,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:50:03,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:50:03,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 12:50:03,296 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 12:50:03,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 12:50:03,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 12:50:03,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:50:03,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:50:03,297 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-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aaf303180fb147289175deaade998fcb26e6b2 [2020-12-09 12:50:03,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:50:03,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:50:03,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:50:03,490 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:50:03,491 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:50:03,492 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-12-09 12:50:03,532 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/3ef904a6e/68045bccd54f49c5a6bcc674c3eef287/FLAG5cd2182f1 [2020-12-09 12:50:03,922 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:50:03,922 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-12-09 12:50:03,928 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/3ef904a6e/68045bccd54f49c5a6bcc674c3eef287/FLAG5cd2182f1 [2020-12-09 12:50:03,937 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/3ef904a6e/68045bccd54f49c5a6bcc674c3eef287 [2020-12-09 12:50:03,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:50:03,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:50:03,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:50:03,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:50:03,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:50:03,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:50:03" (1/1) ... [2020-12-09 12:50:03,945 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9fe141 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:03, skipping insertion in model container [2020-12-09 12:50:03,946 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:50:03" (1/1) ... [2020-12-09 12:50:03,951 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:50:03,968 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:50:04,123 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2020-12-09 12:50:04,125 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:50:04,132 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:50:04,165 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2020-12-09 12:50:04,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:50:04,178 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:50:04,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04 WrapperNode [2020-12-09 12:50:04,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:50:04,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:50:04,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:50:04,179 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:50:04,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:50:04,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:50:04,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:50:04,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:50:04,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,237 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,237 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,253 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... [2020-12-09 12:50:04,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:50:04,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:50:04,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:50:04,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:50:04,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 12:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 12:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 12:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 12:50:04,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:50:04,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 12:50:04,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 12:50:04,810 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:50:04,811 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-09 12:50:04,813 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:50:04 BoogieIcfgContainer [2020-12-09 12:50:04,813 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:50:04,814 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:50:04,815 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:50:04,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:50:04,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:50:03" (1/3) ... [2020-12-09 12:50:04,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e4dc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:50:04, skipping insertion in model container [2020-12-09 12:50:04,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:04" (2/3) ... [2020-12-09 12:50:04,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51e4dc7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:50:04, skipping insertion in model container [2020-12-09 12:50:04,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:50:04" (3/3) ... [2020-12-09 12:50:04,820 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2020-12-09 12:50:04,832 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:50:04,835 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:50:04,842 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:50:04,859 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:50:04,859 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 12:50:04,859 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:50:04,859 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:50:04,859 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:50:04,859 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:50:04,859 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:50:04,859 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:50:04,868 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states. [2020-12-09 12:50:04,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 12:50:04,871 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:50:04,872 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:50:04,872 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:50:04,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:50:04,876 INFO L82 PathProgramCache]: Analyzing trace with hash 2091990963, now seen corresponding path program 1 times [2020-12-09 12:50:04,882 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 12:50:04,882 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215723923] [2020-12-09 12:50:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 12:50:04,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:50:04,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:50:04,983 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215723923] [2020-12-09 12:50:04,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:50:04,983 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:50:04,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691301883] [2020-12-09 12:50:04,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 12:50:04,987 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 12:50:04,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 12:50:04,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:50:04,997 INFO L87 Difference]: Start difference. First operand 44 states. Second operand 2 states. [2020-12-09 12:50:05,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:50:05,010 INFO L93 Difference]: Finished difference Result 86 states and 139 transitions. [2020-12-09 12:50:05,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 12:50:05,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-12-09 12:50:05,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:50:05,017 INFO L225 Difference]: With dead ends: 86 [2020-12-09 12:50:05,018 INFO L226 Difference]: Without dead ends: 41 [2020-12-09 12:50:05,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:50:05,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-12-09 12:50:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2020-12-09 12:50:05,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-12-09 12:50:05,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 52 transitions. [2020-12-09 12:50:05,043 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 52 transitions. Word has length 8 [2020-12-09 12:50:05,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:50:05,044 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 52 transitions. [2020-12-09 12:50:05,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 12:50:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2020-12-09 12:50:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 12:50:05,044 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:50:05,044 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:50:05,045 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 12:50:05,045 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:50:05,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:50:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1642627925, now seen corresponding path program 1 times [2020-12-09 12:50:05,045 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 12:50:05,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441528909] [2020-12-09 12:50:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 12:50:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 12:50:05,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 12:50:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 12:50:05,099 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 12:50:05,117 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 12:50:05,117 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 12:50:05,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 12:50:05,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:50:05 BoogieIcfgContainer [2020-12-09 12:50:05,139 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 12:50:05,140 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 12:50:05,140 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 12:50:05,140 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 12:50:05,140 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:50:04" (3/4) ... [2020-12-09 12:50:05,143 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 12:50:05,143 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 12:50:05,144 INFO L168 Benchmark]: Toolchain (without parser) took 1203.60 ms. Allocated memory is still 130.0 MB. Free memory was 93.6 MB in the beginning and 74.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:05,145 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 130.0 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:50:05,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.72 ms. Allocated memory is still 130.0 MB. Free memory was 93.4 MB in the beginning and 101.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:05,146 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 130.0 MB. Free memory was 101.5 MB in the beginning and 99.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:05,146 INFO L168 Benchmark]: Boogie Preprocessor took 36.04 ms. Allocated memory is still 130.0 MB. Free memory was 99.2 MB in the beginning and 97.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:05,147 INFO L168 Benchmark]: RCFGBuilder took 552.47 ms. Allocated memory is still 130.0 MB. Free memory was 97.1 MB in the beginning and 100.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:05,147 INFO L168 Benchmark]: TraceAbstraction took 324.85 ms. Allocated memory is still 130.0 MB. Free memory was 99.4 MB in the beginning and 74.9 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:05,147 INFO L168 Benchmark]: Witness Printer took 3.03 ms. Allocated memory is still 130.0 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:50:05,150 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 130.0 MB. Free memory is still 110.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 237.72 ms. Allocated memory is still 130.0 MB. Free memory was 93.4 MB in the beginning and 101.5 MB in the end (delta: -8.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.86 ms. Allocated memory is still 130.0 MB. Free memory was 101.5 MB in the beginning and 99.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.04 ms. Allocated memory is still 130.0 MB. Free memory was 99.2 MB in the beginning and 97.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 552.47 ms. Allocated memory is still 130.0 MB. Free memory was 97.1 MB in the beginning and 100.0 MB in the end (delta: -2.9 MB). Peak memory consumption was 42.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 324.85 ms. Allocated memory is still 130.0 MB. Free memory was 99.4 MB in the beginning and 74.9 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 3.03 ms. Allocated memory is still 130.0 MB. Free memory is still 74.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 194]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 15, overapproximation of someUnaryDOUBLEoperation at line 104, overapproximation of bitwiseAnd at line 118, overapproximation of someUnaryFLOAToperation at line 102, overapproximation of someBinaryArithmeticFLOAToperation at line 121. Possible FailurePath: [L17] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L100-L108] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; [L186] float x = __VERIFIER_nondet_float(); [L188] COND TRUE x < -1.0f || x > 1.0f [L111] float t, w, p, q, c, r, s; [L112] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L114] ieee_float_shape_type gf_u; [L115] gf_u.value = (x) [L116] EXPR gf_u.word [L116] (hx) = gf_u.word [L118] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L119] COND TRUE ix == 0x3f800000 [L121] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L190] float res = __ieee754_asinf(x); [L15] return x != x; [L193] COND TRUE !isnan_float(res) [L194] reach_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 56 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 49 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 12:50:06,814 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 12:50:06,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 12:50:06,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 12:50:06,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 12:50:06,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 12:50:06,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 12:50:06,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 12:50:06,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 12:50:06,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 12:50:06,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 12:50:06,858 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 12:50:06,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 12:50:06,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 12:50:06,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 12:50:06,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 12:50:06,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 12:50:06,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 12:50:06,867 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 12:50:06,869 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 12:50:06,871 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 12:50:06,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 12:50:06,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 12:50:06,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 12:50:06,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 12:50:06,879 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 12:50:06,880 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 12:50:06,881 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 12:50:06,881 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 12:50:06,882 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 12:50:06,882 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 12:50:06,883 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 12:50:06,884 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 12:50:06,885 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 12:50:06,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 12:50:06,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 12:50:06,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 12:50:06,887 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 12:50:06,887 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 12:50:06,888 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 12:50:06,889 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 12:50:06,890 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 12:50:06,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 12:50:06,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 12:50:06,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 12:50:06,913 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 12:50:06,913 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 12:50:06,913 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 12:50:06,914 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 12:50:06,914 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 12:50:06,914 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 12:50:06,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 12:50:06,915 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 12:50:06,915 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 12:50:06,915 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 12:50:06,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 12:50:06,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 12:50:06,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 12:50:06,917 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 12:50:06,917 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 12:50:06,917 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 12:50:06,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:50:06,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 12:50:06,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 12:50:06,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 12:50:06,917 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 12:50:06,918 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 12:50:06,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 12:50:06,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 12:50:06,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 12:50:06,918 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 85aaf303180fb147289175deaade998fcb26e6b2 [2020-12-09 12:50:07,158 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 12:50:07,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 12:50:07,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 12:50:07,179 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 12:50:07,179 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 12:50:07,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-12-09 12:50:07,220 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/800ea7aa1/54afb0046fb0408bb247e2da165d5264/FLAGe85231ed1 [2020-12-09 12:50:07,596 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 12:50:07,596 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/sv-benchmarks/c/float-newlib/float_req_bl_0281.c [2020-12-09 12:50:07,604 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/800ea7aa1/54afb0046fb0408bb247e2da165d5264/FLAGe85231ed1 [2020-12-09 12:50:07,617 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/data/800ea7aa1/54afb0046fb0408bb247e2da165d5264 [2020-12-09 12:50:07,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 12:50:07,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 12:50:07,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 12:50:07,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 12:50:07,625 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 12:50:07,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ff3ca8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07, skipping insertion in model container [2020-12-09 12:50:07,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 12:50:07,651 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 12:50:07,798 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2020-12-09 12:50:07,801 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:50:07,815 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 12:50:07,865 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/sv-benchmarks/c/float-newlib/float_req_bl_0281.c[4632,4645] [2020-12-09 12:50:07,865 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 12:50:07,880 INFO L208 MainTranslator]: Completed translation [2020-12-09 12:50:07,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07 WrapperNode [2020-12-09 12:50:07,880 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 12:50:07,881 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 12:50:07,881 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 12:50:07,881 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 12:50:07,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,923 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 12:50:07,923 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 12:50:07,923 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 12:50:07,923 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 12:50:07,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,935 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,935 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... [2020-12-09 12:50:07,960 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 12:50:07,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 12:50:07,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 12:50:07,961 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 12:50:07,961 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 12:50:08,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 12:50:08,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 12:50:08,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 12:50:21,502 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 12:50:21,503 INFO L299 CfgBuilder]: Removed 28 assume(true) statements. [2020-12-09 12:50:21,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:50:21 BoogieIcfgContainer [2020-12-09 12:50:21,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 12:50:21,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 12:50:21,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 12:50:21,508 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 12:50:21,508 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:50:07" (1/3) ... [2020-12-09 12:50:21,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec091db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:50:21, skipping insertion in model container [2020-12-09 12:50:21,509 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:50:07" (2/3) ... [2020-12-09 12:50:21,509 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ec091db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:50:21, skipping insertion in model container [2020-12-09 12:50:21,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:50:21" (3/3) ... [2020-12-09 12:50:21,511 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0281.c [2020-12-09 12:50:21,522 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 12:50:21,526 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 12:50:21,535 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 12:50:21,554 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 12:50:21,554 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 12:50:21,554 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 12:50:21,554 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 12:50:21,554 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 12:50:21,554 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 12:50:21,555 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 12:50:21,555 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 12:50:21,564 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2020-12-09 12:50:21,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 12:50:21,567 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:50:21,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:50:21,568 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:50:21,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:50:21,571 INFO L82 PathProgramCache]: Analyzing trace with hash 863812756, now seen corresponding path program 1 times [2020-12-09 12:50:21,579 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:50:21,579 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [103274308] [2020-12-09 12:50:21,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 12:50:22,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:50:22,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 12:50:22,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:50:22,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:50:22,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:50:22,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [103274308] [2020-12-09 12:50:22,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:50:22,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 12:50:22,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436246403] [2020-12-09 12:50:22,116 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 12:50:22,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:50:22,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 12:50:22,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:50:22,127 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 2 states. [2020-12-09 12:50:22,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:50:22,147 INFO L93 Difference]: Finished difference Result 113 states and 182 transitions. [2020-12-09 12:50:22,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 12:50:22,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-09 12:50:22,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:50:22,157 INFO L225 Difference]: With dead ends: 113 [2020-12-09 12:50:22,157 INFO L226 Difference]: Without dead ends: 54 [2020-12-09 12:50:22,159 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 12:50:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-12-09 12:50:22,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-12-09 12:50:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-12-09 12:50:22,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 71 transitions. [2020-12-09 12:50:22,183 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 71 transitions. Word has length 10 [2020-12-09 12:50:22,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:50:22,183 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 71 transitions. [2020-12-09 12:50:22,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 12:50:22,183 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2020-12-09 12:50:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 12:50:22,184 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:50:22,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:50:22,385 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 12:50:22,386 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:50:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:50:22,388 INFO L82 PathProgramCache]: Analyzing trace with hash 1283186732, now seen corresponding path program 1 times [2020-12-09 12:50:22,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:50:22,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1284195425] [2020-12-09 12:50:22,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 12:50:22,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:50:22,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 12:50:22,926 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:50:23,108 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 12:50:23,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:50:23,251 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:50:23,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1284195425] [2020-12-09 12:50:23,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:50:23,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 12:50:23,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947973785] [2020-12-09 12:50:23,253 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 12:50:23,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:50:23,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 12:50:23,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 12:50:23,254 INFO L87 Difference]: Start difference. First operand 54 states and 71 transitions. Second operand 5 states. [2020-12-09 12:50:23,438 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-09 12:50:23,609 WARN L197 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-09 12:50:24,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:50:24,204 INFO L93 Difference]: Finished difference Result 59 states and 75 transitions. [2020-12-09 12:50:24,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 12:50:24,205 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2020-12-09 12:50:24,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:50:24,206 INFO L225 Difference]: With dead ends: 59 [2020-12-09 12:50:24,206 INFO L226 Difference]: Without dead ends: 13 [2020-12-09 12:50:24,207 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 12:50:24,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2020-12-09 12:50:24,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-12-09 12:50:24,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-12-09 12:50:24,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 12 transitions. [2020-12-09 12:50:24,210 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 12 transitions. Word has length 11 [2020-12-09 12:50:24,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:50:24,210 INFO L481 AbstractCegarLoop]: Abstraction has 13 states and 12 transitions. [2020-12-09 12:50:24,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 12:50:24,210 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2020-12-09 12:50:24,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-09 12:50:24,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 12:50:24,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 12:50:24,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 12:50:24,412 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 12:50:24,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 12:50:24,415 INFO L82 PathProgramCache]: Analyzing trace with hash 1003963026, now seen corresponding path program 1 times [2020-12-09 12:50:24,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 12:50:24,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [159403858] [2020-12-09 12:50:24,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-09 12:50:24,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 12:50:25,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 12:50:25,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 12:50:28,505 WARN L197 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 7 [2020-12-09 12:50:31,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 12:50:31,679 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 12:50:31,679 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [159403858] [2020-12-09 12:50:31,679 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 12:50:31,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 12:50:31,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279350567] [2020-12-09 12:50:31,680 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 12:50:31,680 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 12:50:31,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 12:50:31,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-09 12:50:31,681 INFO L87 Difference]: Start difference. First operand 13 states and 12 transitions. Second operand 6 states. [2020-12-09 12:50:37,942 WARN L197 SmtUtils]: Spent 3.37 s on a formula simplification that was a NOOP. DAG size: 10 [2020-12-09 12:50:42,539 WARN L197 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 13 [2020-12-09 12:50:46,642 WARN L197 SmtUtils]: Spent 2.84 s on a formula simplification that was a NOOP. DAG size: 15 [2020-12-09 12:50:46,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 12:50:46,643 INFO L93 Difference]: Finished difference Result 13 states and 12 transitions. [2020-12-09 12:50:46,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 12:50:46,643 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2020-12-09 12:50:46,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 12:50:46,644 INFO L225 Difference]: With dead ends: 13 [2020-12-09 12:50:46,644 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 12:50:46,644 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-09 12:50:46,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 12:50:46,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 12:50:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 12:50:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 12:50:46,645 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2020-12-09 12:50:46,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 12:50:46,645 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 12:50:46,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 12:50:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 12:50:46,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 12:50:46,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 12:50:46,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 12:50:51,464 WARN L197 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 36 [2020-12-09 12:50:55,976 WARN L197 SmtUtils]: Spent 4.51 s on a formula simplification that was a NOOP. DAG size: 39 [2020-12-09 12:50:56,029 INFO L262 CegarLoopResult]: For program point L36(lines 36 37) no Hoare annotation was computed. [2020-12-09 12:50:56,029 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 12:50:56,029 INFO L262 CegarLoopResult]: For program point L119(lines 119 139) no Hoare annotation was computed. [2020-12-09 12:50:56,029 INFO L262 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2020-12-09 12:50:56,029 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: false [2020-12-09 12:50:56,030 INFO L258 CegarLoopResult]: At program point L55-2(lines 55 64) the Hoare annotation is: false [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L55-3(lines 19 84) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L188(lines 188 197) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L122(lines 122 139) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L188-2(lines 188 197) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L40(lines 40 44) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L40-2(lines 40 44) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L262 CegarLoopResult]: For program point L156-1(lines 156 160) no Hoare annotation was computed. [2020-12-09 12:50:56,030 INFO L258 CegarLoopResult]: At program point L156-2(lines 156 160) the Hoare annotation is: false [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L57(lines 57 61) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L57-2(lines 57 61) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L258 CegarLoopResult]: At program point L24-2(lines 24 28) the Hoare annotation is: false [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L24-3(lines 24 28) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L258 CegarLoopResult]: At program point L41-3(lines 41 42) the Hoare annotation is: false [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L41-4(lines 41 42) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L124(lines 124 139) no Hoare annotation was computed. [2020-12-09 12:50:56,031 INFO L262 CegarLoopResult]: For program point L124-1(lines 124 139) no Hoare annotation was computed. [2020-12-09 12:50:56,032 INFO L262 CegarLoopResult]: For program point L125(lines 125 138) no Hoare annotation was computed. [2020-12-09 12:50:56,032 INFO L262 CegarLoopResult]: For program point L92(lines 92 96) no Hoare annotation was computed. [2020-12-09 12:50:56,032 INFO L262 CegarLoopResult]: For program point L92-1(lines 85 98) no Hoare annotation was computed. [2020-12-09 12:50:56,032 INFO L262 CegarLoopResult]: For program point L92-2(lines 92 96) no Hoare annotation was computed. [2020-12-09 12:50:56,032 INFO L258 CegarLoopResult]: At program point L175(lines 110 176) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_1 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_1 1.0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (exists ((ULTIMATE.start___ieee754_asinf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_asinf_~x ULTIMATE.start___ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_1 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) v_prenex_1 1.0)))))) [2020-12-09 12:50:56,032 INFO L262 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-12-09 12:50:56,032 INFO L262 CegarLoopResult]: For program point L193(lines 193 196) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L78-1(lines 78 82) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L258 CegarLoopResult]: At program point L78-2(lines 78 82) the Hoare annotation is: false [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L78-3(lines 78 82) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L161-1(lines 153 171) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L161-2(lines 161 165) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L262 CegarLoopResult]: For program point L113-1(lines 113 117) no Hoare annotation was computed. [2020-12-09 12:50:56,033 INFO L258 CegarLoopResult]: At program point L113-2(lines 113 117) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_1 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) v_prenex_1 1.0)))))) [2020-12-09 12:50:56,034 INFO L262 CegarLoopResult]: For program point L47(lines 47 48) no Hoare annotation was computed. [2020-12-09 12:50:56,034 INFO L262 CegarLoopResult]: For program point L113-3(lines 113 117) no Hoare annotation was computed. [2020-12-09 12:50:56,034 INFO L262 CegarLoopResult]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2020-12-09 12:50:56,034 INFO L258 CegarLoopResult]: At program point L97(lines 85 98) the Hoare annotation is: false [2020-12-09 12:50:56,034 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-09 12:50:56,034 INFO L258 CegarLoopResult]: At program point L15(line 15) the Hoare annotation is: (and (or (exists ((currentRoundingMode RoundingMode)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_1 RoundingMode)) (fp.lt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.neg ((_ to_fp 8 24) v_prenex_1 1.0))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((ULTIMATE.start___ieee754_asinf_~hx~1 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= ULTIMATE.start___ieee754_asinf_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_asinf_~hx~1)) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_asinf_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_asinf_~hx~1)) ((_ to_fp 8 24) currentRoundingMode 1.0)))) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (exists ((ULTIMATE.start___ieee754_asinf_~x (_ FloatingPoint 8 24))) (= |ULTIMATE.start___ieee754_asinf_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven ULTIMATE.start___ieee754_asinf_~x ULTIMATE.start___ieee754_asinf_~x))) (fp.div roundNearestTiesToEven .cse0 .cse0)))) (or (exists ((currentRoundingMode RoundingMode)) (fp.gt ULTIMATE.start___ieee754_asinf_~x ((_ to_fp 8 24) currentRoundingMode 1.0))) (exists ((v_prenex_1 RoundingMode)) (fp.lt ULTIMATE.start___ieee754_asinf_~x (fp.neg ((_ to_fp 8 24) v_prenex_1 1.0)))))) [2020-12-09 12:50:56,034 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 12:50:56,034 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2020-12-09 12:50:56,035 INFO L262 CegarLoopResult]: For program point L66(lines 66 75) no Hoare annotation was computed. [2020-12-09 12:50:56,035 INFO L258 CegarLoopResult]: At program point L83(lines 19 84) the Hoare annotation is: false [2020-12-09 12:50:56,035 INFO L265 CegarLoopResult]: At program point L199(lines 178 200) the Hoare annotation is: true [2020-12-09 12:50:56,035 INFO L262 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2020-12-09 12:50:56,035 INFO L262 CegarLoopResult]: For program point L150(lines 150 171) no Hoare annotation was computed. [2020-12-09 12:50:56,035 INFO L262 CegarLoopResult]: For program point L150-2(lines 110 176) no Hoare annotation was computed. [2020-12-09 12:50:56,035 INFO L262 CegarLoopResult]: For program point L68(lines 68 74) no Hoare annotation was computed. [2020-12-09 12:50:56,041 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,042 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,044 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,044 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,045 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,046 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,050 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,051 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,054 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,055 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,056 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,056 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,057 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,058 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:50:56 BoogieIcfgContainer [2020-12-09 12:50:56,061 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 12:50:56,061 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 12:50:56,061 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 12:50:56,062 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 12:50:56,062 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:50:21" (3/4) ... [2020-12-09 12:50:56,064 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 12:50:56,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2020-12-09 12:50:56,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 12:50:56,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 12:50:56,074 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 12:50:56,092 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) [2020-12-09 12:50:56,092 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) [2020-12-09 12:50:56,092 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) [2020-12-09 12:50:56,117 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_53cb33d5-2714-4580-88d4-edb97af6da59/bin/utaipan/witness.graphml [2020-12-09 12:50:56,117 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 12:50:56,118 INFO L168 Benchmark]: Toolchain (without parser) took 48497.57 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 30.2 MB in the beginning and 47.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,118 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 12:50:56,119 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.03 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.9 MB in the beginning and 47.9 MB in the end (delta: -18.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,119 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.54 ms. Allocated memory is still 67.1 MB. Free memory was 47.9 MB in the beginning and 45.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,119 INFO L168 Benchmark]: Boogie Preprocessor took 36.77 ms. Allocated memory is still 67.1 MB. Free memory was 45.5 MB in the beginning and 43.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,120 INFO L168 Benchmark]: RCFGBuilder took 13543.57 ms. Allocated memory is still 67.1 MB. Free memory was 43.2 MB in the beginning and 46.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,120 INFO L168 Benchmark]: TraceAbstraction took 34555.33 ms. Allocated memory is still 67.1 MB. Free memory was 45.9 MB in the beginning and 28.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,120 INFO L168 Benchmark]: Witness Printer took 55.94 ms. Allocated memory is still 67.1 MB. Free memory was 28.9 MB in the beginning and 47.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 12:50:56,122 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 52.4 MB. Free memory was 35.4 MB in the beginning and 35.3 MB in the end (delta: 83.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.03 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 29.9 MB in the beginning and 47.9 MB in the end (delta: -18.0 MB). Peak memory consumption was 5.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.54 ms. Allocated memory is still 67.1 MB. Free memory was 47.9 MB in the beginning and 45.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.77 ms. Allocated memory is still 67.1 MB. Free memory was 45.5 MB in the beginning and 43.2 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13543.57 ms. Allocated memory is still 67.1 MB. Free memory was 43.2 MB in the beginning and 46.2 MB in the end (delta: -3.0 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34555.33 ms. Allocated memory is still 67.1 MB. Free memory was 45.9 MB in the beginning and 28.9 MB in the end (delta: 16.9 MB). Peak memory consumption was 19.8 MB. Max. memory is 16.1 GB. * Witness Printer took 55.94 ms. Allocated memory is still 67.1 MB. Free memory was 28.9 MB in the beginning and 47.0 MB in the end (delta: -18.0 MB). Peak memory consumption was 4.2 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[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,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[v_prenex_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[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,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[v_prenex_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[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,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[v_prenex_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[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,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[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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[v_prenex_1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - 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[v_prenex_1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 194]: 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: 110]: Loop Invariant [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,128 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,129 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,129 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,130 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: (((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) - InvariantResult [Line: 15]: Loop Invariant [2020-12-09 12:50:56,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,131 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,132 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~hx~1,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_asinf_~x,QUANTIFIED] [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,134 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: ((((((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]), ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists ULTIMATE.start___ieee754_asinf_~hx~1 : bv32, currentRoundingMode : FloatRoundingMode :: ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_asinf_~hx~1) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_asinf_~hx~1[31:31], ULTIMATE.start___ieee754_asinf_~hx~1[30:23], ULTIMATE.start___ieee754_asinf_~hx~1[22:0]), ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)))) && 1bv32 == \result) && (\exists ULTIMATE.start___ieee754_asinf_~x : C_FLOAT :: \result == ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x), ~fp.sub~FLOAT(~roundNearestTiesToEven, ULTIMATE.start___ieee754_asinf_~x, ULTIMATE.start___ieee754_asinf_~x)))) && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) - InvariantResult [Line: 113]: Loop Invariant [2020-12-09 12:50:56,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] [2020-12-09 12:50:56,135 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 12:50:56,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 12:50:56,135 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_1,QUANTIFIED] Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ((\exists currentRoundingMode : FloatRoundingMode :: ~fp.gt~FLOAT(x, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0))) || (\exists v_prenex_1 : FloatRoundingMode :: ~fp.lt~FLOAT(x, ~fp.neg~DOUBLE(~to_fp~LONGDOUBLE(v_prenex_1, 1.0))))) - InvariantResult [Line: 156]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 87]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 25.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 15.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 90 SDtfs, 28 SDslu, 24 SDs, 0 SdLazy, 18 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 12 PreInvPairs, 16 NumberOfFragments, 180 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 9.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 5 QuantifiedInterpolants, 1432 SizeOfPredicates, 14 NumberOfNonLiveVariables, 179 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...