./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 10a40ae7adec46612fdb7803d59192d0369e9c54 ................................................................................................................................................................................................................................................................................................................................... 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 10a40ae7adec46612fdb7803d59192d0369e9c54 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 06:43:26,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:43:26,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:43:26,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:43:26,307 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:43:26,308 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:43:26,313 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:43:26,315 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:43:26,316 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:43:26,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:43:26,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:43:26,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:43:26,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:43:26,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:43:26,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:43:26,323 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:43:26,323 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:43:26,324 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:43:26,326 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:43:26,327 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:43:26,329 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:43:26,330 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:43:26,331 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:43:26,332 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:43:26,335 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:43:26,335 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:43:26,336 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:43:26,337 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:43:26,337 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:43:26,338 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:43:26,338 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:43:26,339 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:43:26,340 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:43:26,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:43:26,341 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:43:26,342 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:43:26,342 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:43:26,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:43:26,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:43:26,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:43:26,343 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:43:26,344 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 06:43:26,368 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:43:26,368 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:43:26,369 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:43:26,369 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:43:26,369 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 06:43:26,370 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:43:26,371 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 06:43:26,371 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 06:43:26,371 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 06:43:26,371 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:43:26,371 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:43:26,372 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:43:26,373 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:43:26,373 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:43:26,373 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:43:26,373 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:43:26,373 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:43:26,373 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:43:26,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:43:26,374 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:43:26,374 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:43:26,375 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2020-12-09 06:43:26,537 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:43:26,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:43:26,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:43:26,560 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:43:26,561 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:43:26,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-12-09 06:43:26,604 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/47c553ec6/127b13a72fcf4cc2b5b6428497806ced/FLAG03481e44d [2020-12-09 06:43:26,975 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:43:26,975 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-12-09 06:43:26,981 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/47c553ec6/127b13a72fcf4cc2b5b6428497806ced/FLAG03481e44d [2020-12-09 06:43:26,990 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/47c553ec6/127b13a72fcf4cc2b5b6428497806ced [2020-12-09 06:43:26,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:43:26,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:43:26,993 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:43:26,993 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:43:26,996 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:43:26,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:43:26" (1/1) ... [2020-12-09 06:43:26,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a84a738 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:26, skipping insertion in model container [2020-12-09 06:43:26,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:43:26" (1/1) ... [2020-12-09 06:43:27,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:43:27,022 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:43:27,176 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2020-12-09 06:43:27,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:43:27,184 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:43:27,215 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2020-12-09 06:43:27,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:43:27,226 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:43:27,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27 WrapperNode [2020-12-09 06:43:27,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:43:27,227 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:43:27,227 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:43:27,227 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:43:27,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,240 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,264 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:43:27,264 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:43:27,264 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:43:27,264 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:43:27,270 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,270 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,274 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,284 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... [2020-12-09 06:43:27,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:43:27,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:43:27,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:43:27,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:43:27,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 06:43:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 06:43:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:43:27,353 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 06:43:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 06:43:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 06:43:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:43:27,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:43:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 06:43:27,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:43:28,037 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:43:28,037 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 06:43:28,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:43:28 BoogieIcfgContainer [2020-12-09 06:43:28,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:43:28,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:43:28,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:43:28,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:43:28,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:43:26" (1/3) ... [2020-12-09 06:43:28,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f6120a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:43:28, skipping insertion in model container [2020-12-09 06:43:28,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:27" (2/3) ... [2020-12-09 06:43:28,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61f6120a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:43:28, skipping insertion in model container [2020-12-09 06:43:28,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:43:28" (3/3) ... [2020-12-09 06:43:28,045 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2020-12-09 06:43:28,054 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:43:28,057 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:43:28,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:43:28,081 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:43:28,081 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:43:28,081 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:43:28,081 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:43:28,081 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:43:28,081 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:43:28,081 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:43:28,081 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:43:28,091 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2020-12-09 06:43:28,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 06:43:28,095 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:43:28,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:43:28,096 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:43:28,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:43:28,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1051312980, now seen corresponding path program 1 times [2020-12-09 06:43:28,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:43:28,106 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839695592] [2020-12-09 06:43:28,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:43:28,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:43:28,199 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 06:43:28,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839695592] [2020-12-09 06:43:28,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:43:28,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:43:28,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248702383] [2020-12-09 06:43:28,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:43:28,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 06:43:28,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:43:28,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:43:28,214 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2020-12-09 06:43:28,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:43:28,233 INFO L93 Difference]: Finished difference Result 159 states and 271 transitions. [2020-12-09 06:43:28,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:43:28,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 13 [2020-12-09 06:43:28,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:43:28,241 INFO L225 Difference]: With dead ends: 159 [2020-12-09 06:43:28,241 INFO L226 Difference]: Without dead ends: 78 [2020-12-09 06:43:28,243 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 06:43:28,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-12-09 06:43:28,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-12-09 06:43:28,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-09 06:43:28,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 97 transitions. [2020-12-09 06:43:28,270 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 97 transitions. Word has length 13 [2020-12-09 06:43:28,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:43:28,271 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 97 transitions. [2020-12-09 06:43:28,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:43:28,271 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 97 transitions. [2020-12-09 06:43:28,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-09 06:43:28,272 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:43:28,272 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:43:28,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 06:43:28,272 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:43:28,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:43:28,273 INFO L82 PathProgramCache]: Analyzing trace with hash -1876189971, now seen corresponding path program 1 times [2020-12-09 06:43:28,273 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 06:43:28,273 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448410729] [2020-12-09 06:43:28,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 06:43:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:43:28,332 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:43:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 06:43:28,372 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 06:43:28,394 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 06:43:28,394 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 06:43:28,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 06:43:28,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:43:28 BoogieIcfgContainer [2020-12-09 06:43:28,417 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 06:43:28,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 06:43:28,418 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 06:43:28,418 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 06:43:28,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:43:28" (3/4) ... [2020-12-09 06:43:28,421 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 06:43:28,421 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 06:43:28,422 INFO L168 Benchmark]: Toolchain (without parser) took 1428.78 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 74.4 MB in the beginning and 73.5 MB in the end (delta: 855.3 kB). Peak memory consumption was 35.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:43:28,423 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:43:28,423 INFO L168 Benchmark]: CACSL2BoogieTranslator took 233.48 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 73.5 MB in the end (delta: 662.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 06:43:28,424 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.41 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 70.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:43:28,424 INFO L168 Benchmark]: Boogie Preprocessor took 33.29 ms. Allocated memory is still 100.7 MB. Free memory was 70.6 MB in the beginning and 68.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:43:28,425 INFO L168 Benchmark]: RCFGBuilder took 740.73 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 68.1 MB in the beginning and 102.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:43:28,425 INFO L168 Benchmark]: TraceAbstraction took 377.65 ms. Allocated memory is still 134.2 MB. Free memory was 102.9 MB in the beginning and 73.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. [2020-12-09 06:43:28,425 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 134.2 MB. Free memory is still 73.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:43:28,428 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 100.7 MB. Free memory is still 65.8 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 233.48 ms. Allocated memory is still 100.7 MB. Free memory was 74.2 MB in the beginning and 73.5 MB in the end (delta: 662.7 kB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.41 ms. Allocated memory is still 100.7 MB. Free memory was 73.3 MB in the beginning and 70.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.29 ms. Allocated memory is still 100.7 MB. Free memory was 70.6 MB in the beginning and 68.1 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 740.73 ms. Allocated memory was 100.7 MB in the beginning and 134.2 MB in the end (delta: 33.6 MB). Free memory was 68.1 MB in the beginning and 102.9 MB in the end (delta: -34.8 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 377.65 ms. Allocated memory is still 134.2 MB. Free memory was 102.9 MB in the beginning and 73.5 MB in the end (delta: 29.3 MB). Peak memory consumption was 29.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.88 ms. Allocated memory is still 134.2 MB. Free memory is still 73.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 236]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 120, overapproximation of bitwiseAnd at line 220. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L231] float x = 1.0f / 0.0f; [L232] float y = __VERIFIER_nondet_float(); [L84] float a = x, b = y, t1, t2, y1, y2, w; [L85] __int32_t j, k, ha, hb; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L88] ieee_float_shape_type gf_u; [L89] gf_u.value = (x) [L90] EXPR gf_u.word [L90] (ha) = gf_u.word [L92] ha &= 0x7fffffffL VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L94] ieee_float_shape_type gf_u; [L95] gf_u.value = (y) [L96] EXPR gf_u.word [L96] (hb) = gf_u.word [L98] hb &= 0x7fffffffL [L99] COND TRUE hb > ha [L100] a = y [L101] b = x [L102] j = ha [L103] ha = hb [L104] hb = j VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L110] ieee_float_shape_type sf_u; [L111] sf_u.word = (ha) [L112] EXPR sf_u.value [L112] (a) = sf_u.value [L115] ieee_float_shape_type sf_u; [L116] sf_u.word = (hb) [L117] EXPR sf_u.value [L117] (b) = sf_u.value [L119] COND TRUE (ha - hb) > 0xf000000L [L120] return a + b; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L233] float res = __ieee754_hypotf(x, y); [L214] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L216] ieee_float_shape_type gf_u; [L217] gf_u.value = (x) [L218] EXPR gf_u.word [L218] (ix) = gf_u.word [L220] ix &= 0x7fffffff [L221] return ((ix) == 0x7f800000L); [L235] COND TRUE !isinf_float(res) [L236] reach_error() VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 99 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=80occurred 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, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 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 06:43:29,908 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 06:43:29,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 06:43:29,931 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 06:43:29,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 06:43:29,932 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 06:43:29,933 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 06:43:29,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 06:43:29,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 06:43:29,937 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 06:43:29,938 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 06:43:29,939 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 06:43:29,940 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 06:43:29,940 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 06:43:29,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 06:43:29,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 06:43:29,943 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 06:43:29,944 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 06:43:29,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 06:43:29,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 06:43:29,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 06:43:29,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 06:43:29,951 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 06:43:29,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 06:43:29,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 06:43:29,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 06:43:29,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 06:43:29,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 06:43:29,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 06:43:29,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 06:43:29,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 06:43:29,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 06:43:29,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 06:43:29,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 06:43:29,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 06:43:29,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 06:43:29,961 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 06:43:29,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 06:43:29,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 06:43:29,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 06:43:29,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 06:43:29,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 06:43:29,981 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 06:43:29,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 06:43:29,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 06:43:29,982 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 06:43:29,982 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 06:43:29,982 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 06:43:29,982 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 06:43:29,982 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 06:43:29,982 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 06:43:29,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 06:43:29,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 06:43:29,983 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 06:43:29,983 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 06:43:29,983 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 06:43:29,983 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 06:43:29,984 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 06:43:29,984 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 06:43:29,985 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 06:43:29,985 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 06:43:29,985 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 06:43:29,985 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 06:43:29,985 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 06:43:29,985 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 06:43:29,990 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 06:43:29,990 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 06:43:29,991 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 06:43:29,991 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 06:43:29,991 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 06:43:29,991 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 10a40ae7adec46612fdb7803d59192d0369e9c54 [2020-12-09 06:43:30,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 06:43:30,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 06:43:30,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 06:43:30,240 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 06:43:30,241 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 06:43:30,242 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-12-09 06:43:30,286 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/4b7c4e4d8/d801b0ad08114072ab404f3b0904432b/FLAGd5b1f473a [2020-12-09 06:43:30,656 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 06:43:30,656 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c [2020-12-09 06:43:30,662 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/4b7c4e4d8/d801b0ad08114072ab404f3b0904432b/FLAGd5b1f473a [2020-12-09 06:43:30,672 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/data/4b7c4e4d8/d801b0ad08114072ab404f3b0904432b [2020-12-09 06:43:30,675 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 06:43:30,676 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 06:43:30,677 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 06:43:30,677 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 06:43:30,679 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 06:43:30,680 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,681 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f18d828 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30, skipping insertion in model container [2020-12-09 06:43:30,681 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,686 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 06:43:30,703 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 06:43:30,839 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2020-12-09 06:43:30,841 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:43:30,850 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 06:43:30,901 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_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/sv-benchmarks/c/float-newlib/float_req_bl_1270a.c[4702,4715] [2020-12-09 06:43:30,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 06:43:30,915 INFO L208 MainTranslator]: Completed translation [2020-12-09 06:43:30,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30 WrapperNode [2020-12-09 06:43:30,915 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 06:43:30,916 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 06:43:30,916 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 06:43:30,917 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 06:43:30,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 06:43:30,957 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 06:43:30,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 06:43:30,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 06:43:30,963 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,963 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... [2020-12-09 06:43:30,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 06:43:30,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 06:43:30,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 06:43:30,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 06:43:30,998 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 06:43:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 06:43:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 06:43:31,052 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 06:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 06:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 06:43:31,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 06:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 06:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 06:43:31,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 06:43:39,686 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 06:43:39,686 INFO L299 CfgBuilder]: Removed 52 assume(true) statements. [2020-12-09 06:43:39,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:43:39 BoogieIcfgContainer [2020-12-09 06:43:39,688 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 06:43:39,689 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 06:43:39,689 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 06:43:39,691 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 06:43:39,691 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:43:30" (1/3) ... [2020-12-09 06:43:39,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f09b3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:43:39, skipping insertion in model container [2020-12-09 06:43:39,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:43:30" (2/3) ... [2020-12-09 06:43:39,692 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f09b3f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:43:39, skipping insertion in model container [2020-12-09 06:43:39,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:43:39" (3/3) ... [2020-12-09 06:43:39,693 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_1270a.c [2020-12-09 06:43:39,702 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 06:43:39,705 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 06:43:39,713 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 06:43:39,733 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 06:43:39,733 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 06:43:39,733 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 06:43:39,733 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 06:43:39,733 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 06:43:39,733 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 06:43:39,734 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 06:43:39,734 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 06:43:39,743 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states. [2020-12-09 06:43:39,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-09 06:43:39,747 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:43:39,748 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:43:39,748 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:43:39,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:43:39,752 INFO L82 PathProgramCache]: Analyzing trace with hash 311741284, now seen corresponding path program 1 times [2020-12-09 06:43:39,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:43:39,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2119663844] [2020-12-09 06:43:39,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 06:43:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:43:39,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 06:43:39,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:43:39,897 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 06:43:39,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:43:39,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2119663844] [2020-12-09 06:43:39,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:43:39,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 06:43:39,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600009753] [2020-12-09 06:43:39,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 06:43:39,902 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:43:39,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 06:43:39,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 06:43:39,912 INFO L87 Difference]: Start difference. First operand 107 states. Second operand 2 states. [2020-12-09 06:43:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:43:39,932 INFO L93 Difference]: Finished difference Result 212 states and 358 transitions. [2020-12-09 06:43:39,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 06:43:39,933 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-09 06:43:39,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:43:39,940 INFO L225 Difference]: With dead ends: 212 [2020-12-09 06:43:39,940 INFO L226 Difference]: Without dead ends: 104 [2020-12-09 06:43:39,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 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 06:43:39,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-12-09 06:43:39,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-12-09 06:43:39,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-12-09 06:43:39,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 136 transitions. [2020-12-09 06:43:39,973 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 136 transitions. Word has length 16 [2020-12-09 06:43:39,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:43:39,973 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 136 transitions. [2020-12-09 06:43:39,973 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 06:43:39,974 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 136 transitions. [2020-12-09 06:43:39,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 06:43:39,974 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:43:39,974 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:43:40,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 06:43:40,175 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:43:40,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:43:40,176 INFO L82 PathProgramCache]: Analyzing trace with hash 2055151297, now seen corresponding path program 1 times [2020-12-09 06:43:40,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:43:40,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1673533618] [2020-12-09 06:43:40,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 06:43:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:43:40,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-09 06:43:40,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:43:40,553 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 06:43:40,554 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 06:43:40,589 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:43:40,591 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 06:43:40,591 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:55, output treesize:51 [2020-12-09 06:43:40,732 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:43:40,733 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 43 [2020-12-09 06:43:40,736 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 06:43:40,856 WARN L197 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-09 06:43:40,857 INFO L625 ElimStorePlain]: treesize reduction 12, result has 85.5 percent of original size [2020-12-09 06:43:40,862 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 06:43:40,862 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:83, output treesize:60 [2020-12-09 06:43:41,459 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2020-12-09 06:43:41,461 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 06:43:41,647 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-12-09 06:43:41,648 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:43:41,649 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 06:43:41,650 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:68, output treesize:53 [2020-12-09 06:43:42,125 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:43:42,129 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-09 06:43:42,540 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 06:43:42,540 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:43:42,540 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1673533618] [2020-12-09 06:43:42,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:43:42,541 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-09 06:43:42,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635134646] [2020-12-09 06:43:42,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-09 06:43:42,542 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:43:42,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-09 06:43:42,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-12-09 06:43:42,544 INFO L87 Difference]: Start difference. First operand 104 states and 136 transitions. Second operand 13 states. [2020-12-09 06:43:44,525 WARN L197 SmtUtils]: Spent 454.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-09 06:43:48,949 WARN L197 SmtUtils]: Spent 2.89 s on a formula simplification that was a NOOP. DAG size: 55 [2020-12-09 06:43:54,132 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-09 06:43:55,613 WARN L197 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-09 06:43:55,789 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2020-12-09 06:43:56,948 WARN L197 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 06:44:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:44:07,230 INFO L93 Difference]: Finished difference Result 239 states and 301 transitions. [2020-12-09 06:44:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-09 06:44:07,231 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 21 [2020-12-09 06:44:07,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:44:07,233 INFO L225 Difference]: With dead ends: 239 [2020-12-09 06:44:07,233 INFO L226 Difference]: Without dead ends: 146 [2020-12-09 06:44:07,234 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-12-09 06:44:07,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-12-09 06:44:07,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 112. [2020-12-09 06:44:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-12-09 06:44:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 144 transitions. [2020-12-09 06:44:07,242 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 144 transitions. Word has length 21 [2020-12-09 06:44:07,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:44:07,243 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 144 transitions. [2020-12-09 06:44:07,243 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-09 06:44:07,243 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 144 transitions. [2020-12-09 06:44:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-09 06:44:07,244 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:44:07,244 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:44:07,444 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 06:44:07,446 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:44:07,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:44:07,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1653009985, now seen corresponding path program 1 times [2020-12-09 06:44:07,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:44:07,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [139054664] [2020-12-09 06:44:07,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/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 06:44:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:44:07,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-09 06:44:07,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:44:07,848 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 06:44:07,848 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:44:07,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [139054664] [2020-12-09 06:44:07,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:44:07,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:44:07,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869071237] [2020-12-09 06:44:07,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 06:44:07,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:44:07,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 06:44:07,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 06:44:07,851 INFO L87 Difference]: Start difference. First operand 112 states and 144 transitions. Second operand 6 states. [2020-12-09 06:44:08,773 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 23 [2020-12-09 06:44:09,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:44:09,206 INFO L93 Difference]: Finished difference Result 285 states and 366 transitions. [2020-12-09 06:44:09,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-09 06:44:09,207 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2020-12-09 06:44:09,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:44:09,209 INFO L225 Difference]: With dead ends: 285 [2020-12-09 06:44:09,209 INFO L226 Difference]: Without dead ends: 204 [2020-12-09 06:44:09,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2020-12-09 06:44:09,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2020-12-09 06:44:09,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 114. [2020-12-09 06:44:09,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-09 06:44:09,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 145 transitions. [2020-12-09 06:44:09,219 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 145 transitions. Word has length 21 [2020-12-09 06:44:09,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:44:09,220 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 145 transitions. [2020-12-09 06:44:09,220 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 06:44:09,220 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 145 transitions. [2020-12-09 06:44:09,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 06:44:09,220 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:44:09,220 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:44:09,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 06:44:09,422 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:44:09,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:44:09,424 INFO L82 PathProgramCache]: Analyzing trace with hash -558668800, now seen corresponding path program 1 times [2020-12-09 06:44:09,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:44:09,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1432155177] [2020-12-09 06:44:09,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2020-12-09 06:44:09,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:44:09,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-09 06:44:09,567 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:44:09,641 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 06:44:09,642 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 06:44:09,663 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:44:09,665 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 06:44:09,665 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:38, output treesize:34 [2020-12-09 06:44:09,892 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2020-12-09 06:44:09,894 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 06:44:09,911 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:44:09,913 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 06:44:09,913 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:46, output treesize:29 [2020-12-09 06:44:09,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:44:09,994 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:44:10,112 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 06:44:10,112 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:44:10,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1432155177] [2020-12-09 06:44:10,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:44:10,113 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-09 06:44:10,113 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425805306] [2020-12-09 06:44:10,113 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-09 06:44:10,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:44:10,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-09 06:44:10,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-12-09 06:44:10,114 INFO L87 Difference]: Start difference. First operand 114 states and 145 transitions. Second operand 10 states. [2020-12-09 06:44:20,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:44:20,770 INFO L93 Difference]: Finished difference Result 197 states and 250 transitions. [2020-12-09 06:44:20,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-09 06:44:20,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-12-09 06:44:20,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:44:20,773 INFO L225 Difference]: With dead ends: 197 [2020-12-09 06:44:20,773 INFO L226 Difference]: Without dead ends: 188 [2020-12-09 06:44:20,773 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-12-09 06:44:20,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2020-12-09 06:44:20,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 114. [2020-12-09 06:44:20,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-12-09 06:44:20,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 144 transitions. [2020-12-09 06:44:20,783 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 144 transitions. Word has length 26 [2020-12-09 06:44:20,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:44:20,783 INFO L481 AbstractCegarLoop]: Abstraction has 114 states and 144 transitions. [2020-12-09 06:44:20,783 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-09 06:44:20,783 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 144 transitions. [2020-12-09 06:44:20,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 06:44:20,784 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:44:20,784 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:44:20,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2020-12-09 06:44:20,985 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:44:20,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:44:20,986 INFO L82 PathProgramCache]: Analyzing trace with hash 121389570, now seen corresponding path program 1 times [2020-12-09 06:44:20,986 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:44:20,986 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1716263326] [2020-12-09 06:44:20,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2020-12-09 06:44:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:44:21,146 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 21 conjunts are in the unsatisfiable core [2020-12-09 06:44:21,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:44:21,523 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:44:21,524 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:44:21,667 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 06:44:21,667 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:44:21,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1716263326] [2020-12-09 06:44:21,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:44:21,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-09 06:44:21,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853548482] [2020-12-09 06:44:21,668 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-09 06:44:21,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:44:21,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-09 06:44:21,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2020-12-09 06:44:21,669 INFO L87 Difference]: Start difference. First operand 114 states and 144 transitions. Second operand 11 states. [2020-12-09 06:44:23,511 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-09 06:44:23,737 WARN L197 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-09 06:44:26,121 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-09 06:44:26,367 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-09 06:44:32,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:44:32,908 INFO L93 Difference]: Finished difference Result 133 states and 161 transitions. [2020-12-09 06:44:32,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 06:44:32,915 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2020-12-09 06:44:32,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:44:32,916 INFO L225 Difference]: With dead ends: 133 [2020-12-09 06:44:32,916 INFO L226 Difference]: Without dead ends: 115 [2020-12-09 06:44:32,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2020-12-09 06:44:32,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-09 06:44:32,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 105. [2020-12-09 06:44:32,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-12-09 06:44:32,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 134 transitions. [2020-12-09 06:44:32,925 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 134 transitions. Word has length 26 [2020-12-09 06:44:32,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:44:32,926 INFO L481 AbstractCegarLoop]: Abstraction has 105 states and 134 transitions. [2020-12-09 06:44:32,926 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-09 06:44:32,926 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 134 transitions. [2020-12-09 06:44:32,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 06:44:32,926 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:44:32,927 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:44:33,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 mathsat -unsat_core_generation=3 [2020-12-09 06:44:33,128 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:44:33,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:44:33,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1435475906, now seen corresponding path program 1 times [2020-12-09 06:44:33,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:44:33,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [9393257] [2020-12-09 06:44:33,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2020-12-09 06:44:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:44:33,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-09 06:44:33,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:44:33,669 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 06:44:33,669 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:44:33,669 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [9393257] [2020-12-09 06:44:33,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:44:33,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-09 06:44:33,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249004721] [2020-12-09 06:44:33,670 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 06:44:33,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:44:33,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 06:44:33,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 06:44:33,671 INFO L87 Difference]: Start difference. First operand 105 states and 134 transitions. Second operand 6 states. [2020-12-09 06:44:34,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:44:34,200 INFO L93 Difference]: Finished difference Result 115 states and 143 transitions. [2020-12-09 06:44:34,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-09 06:44:34,201 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 26 [2020-12-09 06:44:34,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:44:34,202 INFO L225 Difference]: With dead ends: 115 [2020-12-09 06:44:34,202 INFO L226 Difference]: Without dead ends: 27 [2020-12-09 06:44:34,202 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-09 06:44:34,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-12-09 06:44:34,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-12-09 06:44:34,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-12-09 06:44:34,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2020-12-09 06:44:34,205 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 26 [2020-12-09 06:44:34,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:44:34,205 INFO L481 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2020-12-09 06:44:34,205 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 06:44:34,205 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2020-12-09 06:44:34,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-09 06:44:34,206 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 06:44:34,206 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 06:44:34,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 mathsat -unsat_core_generation=3 [2020-12-09 06:44:34,408 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 06:44:34,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 06:44:34,409 INFO L82 PathProgramCache]: Analyzing trace with hash 1042448896, now seen corresponding path program 1 times [2020-12-09 06:44:34,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 06:44:34,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1824445881] [2020-12-09 06:44:34,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f4e13-e7a1-49f6-a537-0ea5f1a3889e/bin/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2020-12-09 06:44:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 06:44:34,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 23 conjunts are in the unsatisfiable core [2020-12-09 06:44:34,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 06:44:34,732 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-12-09 06:44:34,733 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 06:44:34,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:44:34,764 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 06:44:34,764 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:47, output treesize:48 [2020-12-09 06:44:35,080 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2020-12-09 06:44:35,081 INFO L547 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-09 06:44:35,106 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 06:44:35,106 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 06:44:35,107 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:30 [2020-12-09 06:44:35,222 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 06:44:35,223 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-09 06:44:35,390 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 06:44:35,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 06:44:35,390 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1824445881] [2020-12-09 06:44:35,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 06:44:35,391 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-09 06:44:35,391 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875505316] [2020-12-09 06:44:35,391 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-09 06:44:35,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 06:44:35,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-09 06:44:35,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-12-09 06:44:35,392 INFO L87 Difference]: Start difference. First operand 27 states and 26 transitions. Second operand 12 states. [2020-12-09 06:44:36,832 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-09 06:44:37,078 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-09 06:44:37,314 WARN L197 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-09 06:44:37,547 WARN L197 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 06:44:37,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 06:44:37,548 INFO L93 Difference]: Finished difference Result 27 states and 26 transitions. [2020-12-09 06:44:37,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-09 06:44:37,548 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 26 [2020-12-09 06:44:37,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 06:44:37,548 INFO L225 Difference]: With dead ends: 27 [2020-12-09 06:44:37,549 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 06:44:37,549 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=113, Invalid=307, Unknown=0, NotChecked=0, Total=420 [2020-12-09 06:44:37,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 06:44:37,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 06:44:37,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 06:44:37,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 06:44:37,549 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2020-12-09 06:44:37,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 06:44:37,550 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 06:44:37,550 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-09 06:44:37,550 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 06:44:37,550 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 06:44:37,750 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 mathsat -unsat_core_generation=3 [2020-12-09 06:44:37,755 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 06:44:40,427 WARN L197 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 126 DAG size of output: 90 [2020-12-09 06:44:43,870 WARN L197 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 165 DAG size of output: 116 [2020-12-09 06:44:51,485 WARN L197 SmtUtils]: Spent 7.52 s on a formula simplification. DAG size of input: 139 DAG size of output: 100 [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L168(lines 168 172) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L168-1(lines 159 173) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L235(lines 235 238) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L202-1(lines 202 206) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L258 CegarLoopResult]: At program point L202-2(lines 202 206) the Hoare annotation is: false [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L136-1(lines 136 140) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L202-3(lines 202 206) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L258 CegarLoopResult]: At program point L136-2(lines 136 140) the Hoare annotation is: false [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L37(lines 37 41) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L37-2(lines 37 41) no Hoare annotation was computed. [2020-12-09 06:44:51,499 INFO L262 CegarLoopResult]: For program point L37-3(lines 37 41) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L37-5(lines 37 41) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L236(line 236) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L258 CegarLoopResult]: At program point L38-3(lines 38 39) the Hoare annotation is: false [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L38-4(lines 38 39) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L38-7(lines 38 39) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L258 CegarLoopResult]: At program point L38-8(lines 38 39) the Hoare annotation is: false [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L38-9(lines 38 39) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L265 CegarLoopResult]: At program point L239(lines 224 240) the Hoare annotation is: true [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L141(lines 141 145) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L141-1(lines 123 146) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L75-1(lines 75 79) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L258 CegarLoopResult]: At program point L75-2(lines 75 79) the Hoare annotation is: false [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L75-3(lines 75 79) no Hoare annotation was computed. [2020-12-09 06:44:51,500 INFO L262 CegarLoopResult]: For program point L75-5(lines 75 79) no Hoare annotation was computed. [2020-12-09 06:44:51,501 INFO L258 CegarLoopResult]: At program point L75-6(lines 75 79) the Hoare annotation is: false [2020-12-09 06:44:51,501 INFO L262 CegarLoopResult]: For program point L75-7(lines 75 79) no Hoare annotation was computed. [2020-12-09 06:44:51,501 INFO L262 CegarLoopResult]: For program point L109(lines 109 113) no Hoare annotation was computed. [2020-12-09 06:44:51,501 INFO L262 CegarLoopResult]: For program point L109-1(lines 83 210) no Hoare annotation was computed. [2020-12-09 06:44:51,501 INFO L258 CegarLoopResult]: At program point L209(lines 83 210) the Hoare annotation is: (let ((.cse1 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (or (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___ieee754_hypotf_~b~0) (= ULTIMATE.start___ieee754_hypotf_~hb~0 .cse0)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) .cse1 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse2) (= (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)) ULTIMATE.start___ieee754_hypotf_~w~0) (= (bvadd .cse2 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse3 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)) |ULTIMATE.start___ieee754_hypotf_#res|) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse3) (= (bvadd .cse3 (_ bv2155872256 32)) (_ bv0 32)))))) (let ((.cse8 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (.cse9 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32))) (let ((.cse4 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4)) ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse4 ULTIMATE.start___ieee754_hypotf_~hb~0)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse6 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26)) (.cse7 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0))) (.cse5 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= .cse5 .cse6) (= .cse7 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse6)) (_ bv251658240 32)) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse7 (fp ((_ extract 31 31) .cse5) ((_ extract 30 23) .cse5) ((_ extract 22 0) .cse5))))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~x .cse8) (= .cse9 .cse8) (= .cse9 ULTIMATE.start___ieee754_hypotf_~a~0))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse10 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse10 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse10 ULTIMATE.start___ieee754_hypotf_~a~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) .cse1 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse11 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse11 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse11 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse12 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse12 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse12 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))))) [2020-12-09 06:44:51,501 INFO L262 CegarLoopResult]: For program point L44(lines 44 45) no Hoare annotation was computed. [2020-12-09 06:44:51,501 INFO L262 CegarLoopResult]: For program point L44-2(lines 44 45) no Hoare annotation was computed. [2020-12-09 06:44:51,501 INFO L262 CegarLoopResult]: For program point L44-3(lines 44 45) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L44-5(lines 44 45) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L177(lines 177 200) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L177-2(lines 83 210) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L178-1(lines 178 182) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L258 CegarLoopResult]: At program point L178-2(lines 178 182) the Hoare annotation is: false [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L178-3(lines 178 182) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L258 CegarLoopResult]: At program point L80(lines 16 81) the Hoare annotation is: false [2020-12-09 06:44:51,502 INFO L258 CegarLoopResult]: At program point L80-1(lines 16 81) the Hoare annotation is: false [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L147(lines 147 174) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L114(lines 114 118) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L114-1(lines 83 210) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L114-2(lines 83 210) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L148(lines 148 173) no Hoare annotation was computed. [2020-12-09 06:44:51,502 INFO L262 CegarLoopResult]: For program point L215-1(lines 215 219) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L258 CegarLoopResult]: At program point L215-2(lines 215 219) the Hoare annotation is: (let ((.cse10 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (or (let ((.cse7 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (.cse8 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32))) (let ((.cse0 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)) ULTIMATE.start___ieee754_hypotf_~b~0) (= .cse0 ULTIMATE.start___ieee754_hypotf_~hb~0)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26)) (.cse3 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0))) (.cse1 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= .cse1 .cse2) (= .cse3 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse2)) (_ bv251658240 32)) (= |ULTIMATE.start___ieee754_hypotf_#res| (fp.add roundNearestTiesToEven .cse3 (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26))) (= currentRoundingMode roundNearestTiesToEven) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5| (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse5 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26)) (.cse6 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0))) (.cse4 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_5|) (_ bv0 32)))) (and (= .cse4 .cse5) (= .cse6 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse5)) (_ bv251658240 32)) (= (fp.add roundNearestTiesToEven .cse6 (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ULTIMATE.start_isinf_float_~x)))) (= ULTIMATE.start___ieee754_hypotf_~x .cse7) (= .cse8 .cse7) (= .cse8 ULTIMATE.start___ieee754_hypotf_~a~0))) (and (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse9 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)) ULTIMATE.start___ieee754_hypotf_~b~0) (= ULTIMATE.start___ieee754_hypotf_~hb~0 .cse9)))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) .cse10 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse11 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse11) (= (fp ((_ extract 31 31) .cse11) ((_ extract 30 23) .cse11) ((_ extract 22 0) .cse11)) ULTIMATE.start_isinf_float_~x) (= (bvadd .cse11 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse12 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse12) (= (fp ((_ extract 31 31) .cse12) ((_ extract 30 23) .cse12) ((_ extract 22 0) .cse12)) ULTIMATE.start___ieee754_hypotf_~w~0) (= (bvadd .cse12 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse13 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse13) ((_ extract 30 23) .cse13) ((_ extract 22 0) .cse13)) |ULTIMATE.start___ieee754_hypotf_#res|) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse13) (= (bvadd .cse13 (_ bv2155872256 32)) (_ bv0 32)))))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse14 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse14 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse14 ULTIMATE.start___ieee754_hypotf_~a~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) .cse10 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse15 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse15 ULTIMATE.start_isinf_float_~x) (= .cse15 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse16 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse16 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse16 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse17 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse17 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse17 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))))) [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point L215-3(lines 215 219) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point L150(lines 150 173) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point L151-1(lines 151 155) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L258 CegarLoopResult]: At program point L151-2(lines 151 155) the Hoare annotation is: false [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point L151-3(lines 151 155) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L258 CegarLoopResult]: At program point L52-2(lines 52 61) the Hoare annotation is: false [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point L52-3(lines 16 81) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L258 CegarLoopResult]: At program point L52-6(lines 52 61) the Hoare annotation is: false [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point L52-7(lines 16 81) no Hoare annotation was computed. [2020-12-09 06:44:51,503 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L87-1(lines 87 91) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L54(lines 54 58) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L258 CegarLoopResult]: At program point L87-2(lines 87 91) the Hoare annotation is: (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0)))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L87-3(lines 87 91) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L54-2(lines 54 58) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L54-3(lines 54 58) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L21-3(lines 21 25) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L54-5(lines 54 58) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L21-5(lines 21 25) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L258 CegarLoopResult]: At program point L21-6(lines 21 25) the Hoare annotation is: false [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L21-7(lines 21 25) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L187-1(lines 187 191) no Hoare annotation was computed. [2020-12-09 06:44:51,504 INFO L258 CegarLoopResult]: At program point L187-2(lines 187 191) the Hoare annotation is: false [2020-12-09 06:44:51,504 INFO L262 CegarLoopResult]: For program point L187-3(lines 187 191) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L258 CegarLoopResult]: At program point L221(lines 213 222) the Hoare annotation is: (let ((.cse5 (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start___ieee754_hypotf_~x (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))) (.cse4 (= (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32)) (_ bv0 32)))) (or (let ((.cse3 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_26 (_ BitVec 32)) (ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32))) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0))) (.cse1 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_26))) (and (= .cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (bvsgt (bvadd ULTIMATE.start___ieee754_hypotf_~ha~0 (bvneg .cse1)) (_ bv251658240 32)) (= (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1)) (fp.add roundNearestTiesToEven .cse0 (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1))))))) (= currentRoundingMode roundNearestTiesToEven) (exists ((|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1.base_5| (_ BitVec 32))) (let ((.cse2 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~1.base_5|) (_ bv0 32)))) (and (= .cse2 ULTIMATE.start___ieee754_hypotf_~ha~0) (= ULTIMATE.start___ieee754_hypotf_~a~0 (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))))) (= ULTIMATE.start___ieee754_hypotf_~x .cse3) .cse4 (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) .cse3))) (and (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (= ULTIMATE.start___ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) .cse5 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse6 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse6) (= (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6)) ULTIMATE.start_isinf_float_~x) (= (bvadd .cse6 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse7 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse7) (= (fp ((_ extract 31 31) .cse7) ((_ extract 30 23) .cse7) ((_ extract 22 0) .cse7)) ULTIMATE.start___ieee754_hypotf_~w~0) (= (bvadd .cse7 (_ bv2155872256 32)) (_ bv0 32))))) (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32)) (|v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6| (_ BitVec 32))) (let ((.cse8 (select (select |#memory_int| |v_ULTIMATE.start___ieee754_hypotf_~#sf_u~2.base_6|) (_ bv0 32)))) (and (= (fp ((_ extract 31 31) .cse8) ((_ extract 30 23) .cse8) ((_ extract 22 0) .cse8)) |ULTIMATE.start___ieee754_hypotf_#res|) (= (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29) .cse8) (= (bvadd .cse8 (_ bv2155872256 32)) (_ bv0 32))))) .cse4 (exists ((v_ULTIMATE.start___ieee754_hypotf_~hb~0_29 (_ BitVec 32))) (let ((.cse9 (bvand (_ bv2147483647 32) v_ULTIMATE.start___ieee754_hypotf_~hb~0_29))) (and (= (bvadd .cse9 (_ bv2155872256 32)) (_ bv0 32)) (= (fp ((_ extract 31 31) .cse9) ((_ extract 30 23) .cse9) ((_ extract 22 0) .cse9)) (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))))))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse10 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse10 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse10 ULTIMATE.start___ieee754_hypotf_~a~0)))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) .cse5 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse11 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse11 ULTIMATE.start_isinf_float_~x) (= .cse11 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse12 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse12 (fp ((_ extract 31 31) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 30 23) ULTIMATE.start_isinf_float_~ix~1) ((_ extract 22 0) ULTIMATE.start_isinf_float_~ix~1))) (= .cse12 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse13 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse13 |ULTIMATE.start___ieee754_hypotf_#res|) (= .cse13 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))))) .cse4 (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse14 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse14 ULTIMATE.start___ieee754_hypotf_~w~0) (= .cse14 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))))))))) [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point L123(lines 123 146) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point L123-1(lines 83 210) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point L124(lines 124 131) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point L126(lines 126 127) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point L93-1(lines 93 97) no Hoare annotation was computed. [2020-12-09 06:44:51,505 INFO L262 CegarLoopResult]: For program point L126-2(lines 124 131) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L258 CegarLoopResult]: At program point L93-2(lines 93 97) the Hoare annotation is: (let ((.cse1 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24)))) (and (exists ((ULTIMATE.start___ieee754_hypotf_~ha~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (let ((.cse0 (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)))) (and (= .cse0 (fp.div currentRoundingMode ((_ to_fp 8 24) currentRoundingMode 1.0) (_ +zero 8 24))) (= .cse0 ULTIMATE.start___ieee754_hypotf_~a~0)))) (= currentRoundingMode roundNearestTiesToEven) (= ULTIMATE.start___ieee754_hypotf_~x .cse1) (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 30 23) ULTIMATE.start___ieee754_hypotf_~ha~0) ((_ extract 22 0) ULTIMATE.start___ieee754_hypotf_~ha~0)) .cse1))) [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L93-3(lines 93 97) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L193-1(lines 193 197) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L258 CegarLoopResult]: At program point L193-2(lines 193 197) the Hoare annotation is: false [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L193-3(lines 193 197) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L28(lines 28 29) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L28-1(lines 28 29) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L128-1(lines 128 129) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L63(lines 63 72) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L63-1(lines 63 72) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L258 CegarLoopResult]: At program point L163-2(lines 163 167) the Hoare annotation is: false [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L31(lines 31 32) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L31-1(lines 31 32) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L65(lines 65 71) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 06:44:51,506 INFO L262 CegarLoopResult]: For program point L65-2(lines 65 71) no Hoare annotation was computed. [2020-12-09 06:44:51,507 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 236) no Hoare annotation was computed. [2020-12-09 06:44:51,507 INFO L262 CegarLoopResult]: For program point L99(lines 99 108) no Hoare annotation was computed. [2020-12-09 06:44:51,507 INFO L262 CegarLoopResult]: For program point L33(lines 33 34) no Hoare annotation was computed. [2020-12-09 06:44:51,507 INFO L262 CegarLoopResult]: For program point L33-1(lines 33 34) no Hoare annotation was computed. [2020-12-09 06:44:51,507 INFO L262 CegarLoopResult]: For program point L67(lines 67 70) no Hoare annotation was computed. [2020-12-09 06:44:51,507 INFO L262 CegarLoopResult]: For program point L67-3(lines 67 70) no Hoare annotation was computed. [2020-12-09 06:44:51,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,514 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,515 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,517 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:44:51,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,520 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,521 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,521 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:44:51,523 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:456) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:796) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:240) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-09 06:44:51,525 INFO L168 Benchmark]: Toolchain (without parser) took 80848.94 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.8 MB in the beginning and 39.1 MB in the end (delta: -3.3 MB). Peak memory consumption was 33.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:44:51,525 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 06:44:51,526 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.14 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.5 MB in the beginning and 54.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-09 06:44:51,526 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.69 ms. Allocated memory is still 73.4 MB. Free memory was 54.1 MB in the beginning and 51.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 06:44:51,526 INFO L168 Benchmark]: Boogie Preprocessor took 40.54 ms. Allocated memory is still 73.4 MB. Free memory was 51.3 MB in the beginning and 48.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 06:44:51,527 INFO L168 Benchmark]: RCFGBuilder took 8690.49 ms. Allocated memory is still 73.4 MB. Free memory was 48.3 MB in the beginning and 37.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. [2020-12-09 06:44:51,527 INFO L168 Benchmark]: TraceAbstraction took 71835.02 ms. Allocated memory is still 73.4 MB. Free memory was 36.8 MB in the beginning and 39.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2020-12-09 06:44:51,529 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 56.6 MB. Free memory was 39.4 MB in the beginning and 39.3 MB in the end (delta: 73.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 239.14 ms. Allocated memory was 56.6 MB in the beginning and 73.4 MB in the end (delta: 16.8 MB). Free memory was 35.5 MB in the beginning and 54.1 MB in the end (delta: -18.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 39.69 ms. Allocated memory is still 73.4 MB. Free memory was 54.1 MB in the beginning and 51.3 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 40.54 ms. Allocated memory is still 73.4 MB. Free memory was 51.3 MB in the beginning and 48.5 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 8690.49 ms. Allocated memory is still 73.4 MB. Free memory was 48.3 MB in the beginning and 37.1 MB in the end (delta: 11.2 MB). Peak memory consumption was 17.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 71835.02 ms. Allocated memory is still 73.4 MB. Free memory was 36.8 MB in the beginning and 39.1 MB in the end (delta: -2.4 MB). Peak memory consumption was 18.0 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[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,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_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 236]: 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: 224]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 93]: Loop Invariant [2020-12-09 06:44:51,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,534 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,535 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] [2020-12-09 06:44:51,536 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_hypotf_~ha~0,QUANTIFIED] Derived loop invariant: (((\exists ULTIMATE.start___ieee754_hypotf_~ha~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~to_fp~LONGDOUBLE(currentRoundingMode, 1.0), ~Pluszero~LONGDOUBLE()) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0[22:0]) == a) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && x == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE())) && ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_hypotf_~ha~0[31:31], ULTIMATE.start___ieee754_hypotf_~ha~0[30:23], ULTIMATE.start___ieee754_hypotf_~ha~0[22:0]) == ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0), ~Pluszero~LONGDOUBLE()) - InvariantResult [Line: 136]: Loop Invariant Derived loop invariant: 0 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:211) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...