./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.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_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 f0a64e192e0bbeec977baf2f66a916968f631543 ............................................................................................................................................................................................................................................................................................................................... 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_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 f0a64e192e0bbeec977baf2f66a916968f631543 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 09:19:43,508 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:19:43,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:19:43,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:19:43,537 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:19:43,538 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:19:43,540 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:19:43,542 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:19:43,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:19:43,545 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:19:43,546 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:19:43,547 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:19:43,548 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:19:43,549 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:19:43,550 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:19:43,551 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:19:43,552 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:19:43,553 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:19:43,555 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:19:43,557 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:19:43,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:19:43,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:19:43,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:19:43,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:19:43,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:19:43,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:19:43,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:19:43,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:19:43,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:19:43,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:19:43,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:19:43,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:19:43,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:19:43,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:19:43,572 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:19:43,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:19:43,573 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:19:43,573 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:19:43,573 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:19:43,574 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:19:43,575 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:19:43,575 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 09:19:43,596 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:19:43,596 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:19:43,597 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:19:43,597 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:19:43,597 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 09:19:43,598 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:19:43,599 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 09:19:43,599 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 09:19:43,599 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 09:19:43,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:19:43,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:19:43,601 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:19:43,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:19:43,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:19:43,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:19:43,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:19:43,601 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:19:43,601 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:19:43,601 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:19:43,602 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 09:19:43,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 09:19:43,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:19:43,602 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:19:43,602 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:19:43,602 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_bf908c2a-e328-4543-853e-9b57490ced91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a64e192e0bbeec977baf2f66a916968f631543 [2020-12-09 09:19:43,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:19:43,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:19:43,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:19:43,813 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:19:43,813 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:19:43,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-12-09 09:19:43,853 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/05b901174/7c7c841898bf4708b6de59e02a717098/FLAG6a271a302 [2020-12-09 09:19:44,221 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:19:44,221 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-12-09 09:19:44,226 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/05b901174/7c7c841898bf4708b6de59e02a717098/FLAG6a271a302 [2020-12-09 09:19:44,243 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/05b901174/7c7c841898bf4708b6de59e02a717098 [2020-12-09 09:19:44,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:19:44,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:19:44,247 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:19:44,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:19:44,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:19:44,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,252 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55120b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44, skipping insertion in model container [2020-12-09 09:19:44,252 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,259 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:19:44,276 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:19:44,392 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_bf908c2a-e328-4543-853e-9b57490ced91/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2020-12-09 09:19:44,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:19:44,401 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:19:44,426 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_bf908c2a-e328-4543-853e-9b57490ced91/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2020-12-09 09:19:44,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:19:44,440 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:19:44,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44 WrapperNode [2020-12-09 09:19:44,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:19:44,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:19:44,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:19:44,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:19:44,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,453 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,471 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:19:44,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:19:44,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:19:44,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:19:44,478 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,478 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,481 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,481 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,488 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,493 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... [2020-12-09 09:19:44,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:19:44,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:19:44,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:19:44,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:19:44,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 09:19:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 09:19:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:19:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-09 09:19:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 09:19:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-09 09:19:44,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:19:44,549 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:19:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 09:19:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-09 09:19:44,549 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 09:19:44,927 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:19:44,927 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 09:19:44,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:19:44 BoogieIcfgContainer [2020-12-09 09:19:44,929 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:19:44,930 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:19:44,930 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:19:44,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:19:44,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:19:44" (1/3) ... [2020-12-09 09:19:44,933 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8385487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:19:44, skipping insertion in model container [2020-12-09 09:19:44,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:44" (2/3) ... [2020-12-09 09:19:44,934 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8385487 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:19:44, skipping insertion in model container [2020-12-09 09:19:44,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:19:44" (3/3) ... [2020-12-09 09:19:44,935 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2020-12-09 09:19:44,944 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:19:44,947 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:19:44,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:19:44,971 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:19:44,971 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:19:44,971 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:19:44,972 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:19:44,972 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:19:44,972 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:19:44,972 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:19:44,972 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:19:44,981 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-12-09 09:19:44,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-12-09 09:19:44,984 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:19:44,985 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:19:44,985 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:19:44,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:19:44,989 INFO L82 PathProgramCache]: Analyzing trace with hash -1403521791, now seen corresponding path program 1 times [2020-12-09 09:19:44,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:19:44,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519126028] [2020-12-09 09:19:44,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:19:45,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:19:45,104 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 09:19:45,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519126028] [2020-12-09 09:19:45,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:19:45,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:19:45,106 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228874627] [2020-12-09 09:19:45,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 09:19:45,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 09:19:45,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 09:19:45,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:19:45,120 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-12-09 09:19:45,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:19:45,131 INFO L93 Difference]: Finished difference Result 41 states and 61 transitions. [2020-12-09 09:19:45,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 09:19:45,132 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2020-12-09 09:19:45,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:19:45,137 INFO L225 Difference]: With dead ends: 41 [2020-12-09 09:19:45,138 INFO L226 Difference]: Without dead ends: 19 [2020-12-09 09:19:45,139 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 09:19:45,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-12-09 09:19:45,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-12-09 09:19:45,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-12-09 09:19:45,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2020-12-09 09:19:45,160 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2020-12-09 09:19:45,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:19:45,160 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2020-12-09 09:19:45,161 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 09:19:45,161 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2020-12-09 09:19:45,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-12-09 09:19:45,161 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:19:45,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:19:45,161 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 09:19:45,161 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:19:45,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:19:45,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1571978754, now seen corresponding path program 1 times [2020-12-09 09:19:45,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 09:19:45,162 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2054388444] [2020-12-09 09:19:45,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 09:19:45,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:19:45,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:19:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 09:19:45,250 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 09:19:45,268 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 09:19:45,268 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 09:19:45,269 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 09:19:45,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:19:45 BoogieIcfgContainer [2020-12-09 09:19:45,290 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:19:45,290 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:19:45,291 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:19:45,291 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:19:45,291 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:19:44" (3/4) ... [2020-12-09 09:19:45,293 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 09:19:45,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:19:45,295 INFO L168 Benchmark]: Toolchain (without parser) took 1048.20 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 63.5 MB in the beginning and 49.7 MB in the end (delta: 13.9 MB). Peak memory consumption was 30.9 MB. Max. memory is 16.1 GB. [2020-12-09 09:19:45,295 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:19:45,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.55 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 54.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. [2020-12-09 09:19:45,296 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.52 ms. Allocated memory is still 83.9 MB. Free memory was 54.5 MB in the beginning and 52.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 09:19:45,297 INFO L168 Benchmark]: Boogie Preprocessor took 23.66 ms. Allocated memory is still 83.9 MB. Free memory was 52.1 MB in the beginning and 50.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:19:45,297 INFO L168 Benchmark]: RCFGBuilder took 433.04 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 50.4 MB in the beginning and 79.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. [2020-12-09 09:19:45,298 INFO L168 Benchmark]: TraceAbstraction took 359.85 ms. Allocated memory is still 102.8 MB. Free memory was 78.2 MB in the beginning and 50.0 MB in the end (delta: 28.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2020-12-09 09:19:45,298 INFO L168 Benchmark]: Witness Printer took 2.83 ms. Allocated memory is still 102.8 MB. Free memory was 50.0 MB in the beginning and 49.7 MB in the end (delta: 342.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:19:45,301 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 83.9 MB. Free memory is still 59.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 193.55 ms. Allocated memory is still 83.9 MB. Free memory was 63.3 MB in the beginning and 54.5 MB in the end (delta: 8.8 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 30.52 ms. Allocated memory is still 83.9 MB. Free memory was 54.5 MB in the beginning and 52.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 23.66 ms. Allocated memory is still 83.9 MB. Free memory was 52.1 MB in the beginning and 50.4 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 433.04 ms. Allocated memory was 83.9 MB in the beginning and 102.8 MB in the end (delta: 18.9 MB). Free memory was 50.4 MB in the beginning and 79.0 MB in the end (delta: -28.7 MB). Peak memory consumption was 17.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 359.85 ms. Allocated memory is still 102.8 MB. Free memory was 78.2 MB in the beginning and 50.0 MB in the end (delta: 28.1 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.83 ms. Allocated memory is still 102.8 MB. Free memory was 50.0 MB in the beginning and 49.7 MB in the end (delta: 342.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 132]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 131, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L128] float x = -1.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L68] COND TRUE ix >= 0x50800000 [L69] COND FALSE !(((ix) > 0x7f800000L)) [L71] COND FALSE !(hx > 0) [L74] EXPR atanhi_atan[3] [L74] EXPR atanlo_atan[3] [L74] return -atanhi_atan[3] - atanlo_atan[3]; [L129] float res = atan_float(x); [L131] COND TRUE res != -pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L132] reach_error() VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 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=21occurred 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 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 09:19:46,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 09:19:46,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 09:19:46,956 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 09:19:46,957 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 09:19:46,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 09:19:46,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 09:19:46,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 09:19:46,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 09:19:46,963 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 09:19:46,964 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 09:19:46,965 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 09:19:46,965 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 09:19:46,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 09:19:46,967 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 09:19:46,968 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 09:19:46,969 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 09:19:46,970 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 09:19:46,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 09:19:46,973 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 09:19:46,974 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 09:19:46,976 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 09:19:46,977 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 09:19:46,977 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 09:19:46,980 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 09:19:46,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 09:19:46,981 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 09:19:46,982 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 09:19:46,982 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 09:19:46,983 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 09:19:46,983 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 09:19:46,984 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 09:19:46,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 09:19:46,985 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 09:19:46,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 09:19:46,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 09:19:46,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 09:19:46,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 09:19:46,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 09:19:46,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 09:19:46,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 09:19:46,989 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 09:19:47,016 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 09:19:47,016 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 09:19:47,017 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 09:19:47,017 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 09:19:47,017 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 09:19:47,017 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 09:19:47,017 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 09:19:47,017 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 09:19:47,018 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 09:19:47,018 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 09:19:47,018 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 09:19:47,018 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 09:19:47,019 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 09:19:47,020 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 09:19:47,020 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 09:19:47,020 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 09:19:47,020 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 09:19:47,020 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 09:19:47,020 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 09:19:47,020 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 09:19:47,020 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 09:19:47,021 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 09:19:47,021 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_bf908c2a-e328-4543-853e-9b57490ced91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f0a64e192e0bbeec977baf2f66a916968f631543 [2020-12-09 09:19:47,257 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 09:19:47,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 09:19:47,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 09:19:47,276 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 09:19:47,277 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 09:19:47,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-12-09 09:19:47,326 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/cc2618c4e/60dcd43508bb4a819249790cb86134db/FLAGd7e667486 [2020-12-09 09:19:47,714 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 09:19:47,714 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2020-12-09 09:19:47,721 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/cc2618c4e/60dcd43508bb4a819249790cb86134db/FLAGd7e667486 [2020-12-09 09:19:47,733 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/data/cc2618c4e/60dcd43508bb4a819249790cb86134db [2020-12-09 09:19:47,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 09:19:47,737 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 09:19:47,738 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 09:19:47,738 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 09:19:47,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 09:19:47,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:47,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d827ce1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47, skipping insertion in model container [2020-12-09 09:19:47,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:47,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 09:19:47,765 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 09:19:47,912 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_bf908c2a-e328-4543-853e-9b57490ced91/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2020-12-09 09:19:47,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:19:47,931 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 09:19:47,967 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_bf908c2a-e328-4543-853e-9b57490ced91/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c[3193,3206] [2020-12-09 09:19:47,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 09:19:47,990 INFO L208 MainTranslator]: Completed translation [2020-12-09 09:19:47,991 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47 WrapperNode [2020-12-09 09:19:47,991 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 09:19:47,992 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 09:19:47,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 09:19:47,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 09:19:47,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,013 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 09:19:48,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 09:19:48,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 09:19:48,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 09:19:48,050 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,056 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,056 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,070 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... [2020-12-09 09:19:48,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 09:19:48,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 09:19:48,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 09:19:48,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 09:19:48,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 09:19:48,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2020-12-09 09:19:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 09:19:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 09:19:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2020-12-09 09:19:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 09:19:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 09:19:48,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 09:19:48,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2020-12-09 09:19:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 09:19:48,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 09:20:01,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 09:20:01,689 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2020-12-09 09:20:01,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:20:01 BoogieIcfgContainer [2020-12-09 09:20:01,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 09:20:01,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 09:20:01,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 09:20:01,695 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 09:20:01,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 09:19:47" (1/3) ... [2020-12-09 09:20:01,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ab25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:20:01, skipping insertion in model container [2020-12-09 09:20:01,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:19:47" (2/3) ... [2020-12-09 09:20:01,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1ab25b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 09:20:01, skipping insertion in model container [2020-12-09 09:20:01,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:20:01" (3/3) ... [2020-12-09 09:20:01,698 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2020-12-09 09:20:01,709 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 09:20:01,712 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 09:20:01,721 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-09 09:20:01,739 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 09:20:01,739 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 09:20:01,739 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 09:20:01,740 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 09:20:01,740 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 09:20:01,740 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 09:20:01,740 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 09:20:01,740 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 09:20:01,748 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states. [2020-12-09 09:20:01,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-12-09 09:20:01,752 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:20:01,752 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:20:01,753 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:20:01,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:20:01,757 INFO L82 PathProgramCache]: Analyzing trace with hash -1906423550, now seen corresponding path program 1 times [2020-12-09 09:20:01,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:20:01,766 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137631138] [2020-12-09 09:20:01,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 09:20:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:20:02,540 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-09 09:20:02,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:20:02,560 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 09:20:02,560 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:20:02,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137631138] [2020-12-09 09:20:02,561 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:20:02,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-09 09:20:02,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748841805] [2020-12-09 09:20:02,564 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-09 09:20:02,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:20:02,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-09 09:20:02,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:20:02,574 INFO L87 Difference]: Start difference. First operand 32 states. Second operand 2 states. [2020-12-09 09:20:02,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:20:02,586 INFO L93 Difference]: Finished difference Result 62 states and 96 transitions. [2020-12-09 09:20:02,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-09 09:20:02,587 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-12-09 09:20:02,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:20:02,593 INFO L225 Difference]: With dead ends: 62 [2020-12-09 09:20:02,593 INFO L226 Difference]: Without dead ends: 29 [2020-12-09 09:20:02,595 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-09 09:20:02,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-12-09 09:20:02,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2020-12-09 09:20:02,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-12-09 09:20:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 39 transitions. [2020-12-09 09:20:02,617 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 39 transitions. Word has length 9 [2020-12-09 09:20:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:20:02,618 INFO L481 AbstractCegarLoop]: Abstraction has 29 states and 39 transitions. [2020-12-09 09:20:02,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-09 09:20:02,618 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2020-12-09 09:20:02,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-09 09:20:02,618 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:20:02,618 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:20:02,819 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 09:20:02,819 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:20:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:20:02,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1481927263, now seen corresponding path program 1 times [2020-12-09 09:20:02,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:20:02,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [461214766] [2020-12-09 09:20:02,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 09:20:03,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:20:03,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-09 09:20:03,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:20:03,738 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 09:20:03,738 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:20:03,738 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [461214766] [2020-12-09 09:20:03,738 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:20:03,738 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 09:20:03,739 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623036617] [2020-12-09 09:20:03,739 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-09 09:20:03,740 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:20:03,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-09 09:20:03,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-09 09:20:03,741 INFO L87 Difference]: Start difference. First operand 29 states and 39 transitions. Second operand 5 states. [2020-12-09 09:20:04,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:20:04,134 INFO L93 Difference]: Finished difference Result 33 states and 42 transitions. [2020-12-09 09:20:04,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:20:04,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-12-09 09:20:04,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:20:04,138 INFO L225 Difference]: With dead ends: 33 [2020-12-09 09:20:04,138 INFO L226 Difference]: Without dead ends: 12 [2020-12-09 09:20:04,139 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-09 09:20:04,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2020-12-09 09:20:04,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2020-12-09 09:20:04,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2020-12-09 09:20:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11 transitions. [2020-12-09 09:20:04,141 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 11 transitions. Word has length 10 [2020-12-09 09:20:04,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:20:04,142 INFO L481 AbstractCegarLoop]: Abstraction has 12 states and 11 transitions. [2020-12-09 09:20:04,142 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-09 09:20:04,142 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 11 transitions. [2020-12-09 09:20:04,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-09 09:20:04,142 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 09:20:04,142 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 09:20:04,343 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 09:20:04,344 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 09:20:04,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 09:20:04,346 INFO L82 PathProgramCache]: Analyzing trace with hash -1305344773, now seen corresponding path program 1 times [2020-12-09 09:20:04,347 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 09:20:04,348 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823393761] [2020-12-09 09:20:04,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/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 09:20:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 09:20:05,461 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-09 09:20:05,463 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 09:20:05,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:06,550 WARN L197 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2020-12-09 09:20:06,551 INFO L348 Elim1Store]: treesize reduction 339, result has 16.7 percent of original size [2020-12-09 09:20:06,551 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 8 case distinctions, treesize of input 268 treesize of output 298 [2020-12-09 09:20:06,566 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 1] term [2020-12-09 09:20:06,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:06,572 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 6, 2, 1] term [2020-12-09 09:20:06,572 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:06,585 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:07,603 WARN L197 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 117 DAG size of output: 107 [2020-12-09 09:20:07,605 INFO L625 ElimStorePlain]: treesize reduction 70, result has 75.9 percent of original size [2020-12-09 09:20:07,623 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,632 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,638 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,642 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 7 disjuncts [2020-12-09 09:20:07,645 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 13 disjuncts [2020-12-09 09:20:07,685 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-09 09:20:07,685 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:200, output treesize:221 [2020-12-09 09:20:07,692 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,695 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,698 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,700 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 7 disjuncts [2020-12-09 09:20:07,703 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 13 disjuncts [2020-12-09 09:20:07,937 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2020-12-09 09:20:07,958 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,961 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,965 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:07,968 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 7 disjuncts [2020-12-09 09:20:07,971 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 13 disjuncts [2020-12-09 09:20:08,145 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:08,147 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:08,148 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 4 disjuncts [2020-12-09 09:20:08,151 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 7 disjuncts [2020-12-09 09:20:08,152 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 8 disjuncts [2020-12-09 09:20:08,154 INFO L639 QuantifierPusher]: Distributing 7 conjuncts over 20 disjuncts [2020-12-09 09:20:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:08,688 INFO L244 Elim1Store]: Index analysis took 425 ms [2020-12-09 09:20:09,165 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 09:20:09,166 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:09,166 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 40 treesize of output 122 [2020-12-09 09:20:09,170 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:09,632 INFO L244 Elim1Store]: Index analysis took 424 ms [2020-12-09 09:20:10,102 WARN L197 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 09:20:10,103 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:10,104 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 40 treesize of output 122 [2020-12-09 09:20:10,110 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:10,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:10,522 INFO L244 Elim1Store]: Index analysis took 376 ms [2020-12-09 09:20:10,996 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 09:20:10,997 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:10,997 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 40 treesize of output 122 [2020-12-09 09:20:11,001 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:11,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:11,434 INFO L244 Elim1Store]: Index analysis took 397 ms [2020-12-09 09:20:11,921 WARN L197 SmtUtils]: Spent 484.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 09:20:11,921 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:11,922 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 40 treesize of output 122 [2020-12-09 09:20:11,926 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:12,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:12,338 INFO L244 Elim1Store]: Index analysis took 378 ms [2020-12-09 09:20:12,805 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 09:20:12,806 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:12,806 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 38 treesize of output 120 [2020-12-09 09:20:12,811 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:13,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:13,497 INFO L244 Elim1Store]: Index analysis took 639 ms [2020-12-09 09:20:14,263 WARN L197 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2020-12-09 09:20:14,264 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:14,264 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 9 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 19 case distinctions, treesize of input 45 treesize of output 181 [2020-12-09 09:20:14,269 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:14,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:14,450 INFO L244 Elim1Store]: Index analysis took 146 ms [2020-12-09 09:20:14,977 WARN L197 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-09 09:20:14,977 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:14,978 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 9 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 12 case distinctions, treesize of input 40 treesize of output 122 [2020-12-09 09:20:14,982 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:21,288 WARN L197 SmtUtils]: Spent 6.30 s on a formula simplification. DAG size of input: 128 DAG size of output: 127 [2020-12-09 09:20:21,289 INFO L625 ElimStorePlain]: treesize reduction 203, result has 85.8 percent of original size [2020-12-09 09:20:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:21,472 INFO L244 Elim1Store]: Index analysis took 144 ms [2020-12-09 09:20:21,544 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 09:20:21,583 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:21,584 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-12-09 09:20:21,587 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:21,787 INFO L244 Elim1Store]: Index analysis took 157 ms [2020-12-09 09:20:21,863 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 09:20:21,902 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:21,902 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-12-09 09:20:21,905 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:21,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:22,113 INFO L244 Elim1Store]: Index analysis took 166 ms [2020-12-09 09:20:22,191 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 09:20:22,229 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:22,230 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-12-09 09:20:22,233 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:22,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:22,444 INFO L244 Elim1Store]: Index analysis took 174 ms [2020-12-09 09:20:22,521 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 09:20:22,552 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:22,552 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 18 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-12-09 09:20:22,554 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:22,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:22,732 INFO L244 Elim1Store]: Index analysis took 147 ms [2020-12-09 09:20:22,799 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 09:20:22,833 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:22,834 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-12-09 09:20:22,837 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:22,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-09 09:20:22,948 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-09 09:20:22,981 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:22,981 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 131 treesize of output 103 [2020-12-09 09:20:22,984 INFO L547 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2020-12-09 09:20:30,899 WARN L197 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 131 DAG size of output: 124 [2020-12-09 09:20:30,900 INFO L625 ElimStorePlain]: treesize reduction 323, result has 75.4 percent of original size [2020-12-09 09:20:30,920 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2020-12-09 09:20:30,920 INFO L244 ElimStorePlain]: Needed 14 recursive calls to eliminate 8 variables, input treesize:1515, output treesize:440 [2020-12-09 09:20:31,640 WARN L197 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2020-12-09 09:20:31,686 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 9, 1] term [2020-12-09 09:20:31,686 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-09 09:20:31,842 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:31,843 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 81 [2020-12-09 09:20:31,844 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:31,855 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:31,873 INFO L547 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 09:20:38,236 WARN L197 SmtUtils]: Spent 6.36 s on a formula simplification that was a NOOP. DAG size: 138 [2020-12-09 09:20:38,237 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:38,461 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:38,461 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 81 [2020-12-09 09:20:38,463 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:38,473 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:38,486 INFO L547 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 09:20:43,006 WARN L197 SmtUtils]: Spent 4.52 s on a formula simplification that was a NOOP. DAG size: 122 [2020-12-09 09:20:43,007 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:43,420 INFO L244 Elim1Store]: Index analysis took 188 ms [2020-12-09 09:20:43,454 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:43,455 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 81 [2020-12-09 09:20:43,456 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:43,466 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-09 09:20:43,478 INFO L547 ElimStorePlain]: Start of recursive call 4: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-09 09:20:49,700 WARN L197 SmtUtils]: Spent 6.22 s on a formula simplification that was a NOOP. DAG size: 97 [2020-12-09 09:20:49,700 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-09 09:20:49,717 INFO L547 ElimStorePlain]: Start of recursive call 1: 11 dim-0 vars, 3 dim-2 vars, End of recursive call: 6 dim-0 vars, and 3 xjuncts. [2020-12-09 09:20:49,717 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 14 variables, input treesize:533, output treesize:160 [2020-12-09 09:20:51,201 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 31 [2020-12-09 09:20:51,596 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-09 09:20:51,604 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 09:20:51,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 09:20:51,604 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823393761] [2020-12-09 09:20:51,604 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 09:20:51,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-09 09:20:51,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661325960] [2020-12-09 09:20:51,605 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-09 09:20:51,605 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 09:20:51,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-09 09:20:51,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-09 09:20:51,606 INFO L87 Difference]: Start difference. First operand 12 states and 11 transitions. Second operand 6 states. [2020-12-09 09:20:53,796 WARN L197 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 133 DAG size of output: 130 [2020-12-09 09:20:55,936 WARN L197 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 137 DAG size of output: 134 [2020-12-09 09:20:55,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 09:20:55,937 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2020-12-09 09:20:55,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-09 09:20:55,937 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2020-12-09 09:20:55,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 09:20:55,938 INFO L225 Difference]: With dead ends: 12 [2020-12-09 09:20:55,938 INFO L226 Difference]: Without dead ends: 0 [2020-12-09 09:20:55,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-09 09:20:55,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-09 09:20:55,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-09 09:20:55,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-09 09:20:55,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-09 09:20:55,939 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2020-12-09 09:20:55,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 09:20:55,939 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-09 09:20:55,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-09 09:20:55,939 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-09 09:20:55,939 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-09 09:20:56,139 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-09 09:20:56,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-09 09:20:56,426 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2020-12-09 09:20:57,123 WARN L197 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 151 [2020-12-09 09:20:57,130 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2020-12-09 09:20:57,131 INFO L262 CegarLoopResult]: For program point L93-2(lines 76 101) no Hoare annotation was computed. [2020-12-09 09:20:57,131 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-12-09 09:20:57,131 INFO L262 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2020-12-09 09:20:57,131 INFO L262 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2020-12-09 09:20:57,131 INFO L258 CegarLoopResult]: At program point L118-3(lines 58 120) the Hoare annotation is: (let ((.cse1 (select |#memory_int| |~#atanhi_atan~0.base|))) (and (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse0 (select .cse1 (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= (_ bv1 1) (select |#valid| |~#atanlo_atan~0.base|)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 20000000000.0))) (let ((.cse2 (select .cse1 (bvadd |~#atanhi_atan~0.offset| (_ bv4 32))))) (fp ((_ extract 31 31) .cse2) ((_ extract 30 23) .cse2) ((_ extract 22 0) .cse2)))) (= ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 3141592741.0 2000000000.0)))) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse3 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (exists ((currentRoundingMode RoundingMode)) (= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (exists ((ULTIMATE.start_atan_float_~hx~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (fp ((_ extract 31 31) ULTIMATE.start_atan_float_~hx~0) ((_ extract 30 23) ULTIMATE.start_atan_float_~hx~0) ((_ extract 22 0) ULTIMATE.start_atan_float_~hx~0)) (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24))) (= (bvand (_ bv2147483647 32) ULTIMATE.start_atan_float_~hx~0) ULTIMATE.start_atan_float_~ix~1))) (exists ((v_arrayElimCell_88 (_ BitVec 32)) (v_arrayElimCell_85 (_ BitVec 32))) (let ((.cse4 (fp ((_ extract 31 31) v_arrayElimCell_85) ((_ extract 30 23) v_arrayElimCell_85) ((_ extract 22 0) v_arrayElimCell_85))) (.cse5 (fp ((_ extract 31 31) v_arrayElimCell_88) ((_ extract 30 23) v_arrayElimCell_88) ((_ extract 22 0) v_arrayElimCell_88)))) (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 75497894159.0 1000000000000000000.0))) .cse4) (= |ULTIMATE.start_atan_float_#res| (fp.sub roundNearestTiesToEven (fp.neg .cse5) .cse4)) (= .cse5 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 15707962513.0 10000000000.0))))))) (= (_ bv1 1) (select |#valid| |~#atanhi_atan~0.base|)) (not (= |~#atanlo_atan~0.base| |~#atanhi_atan~0.base|)) (exists ((|#t~string5.base| (_ BitVec 32)) (|#t~string4.base| (_ BitVec 32)) (|~#aT_atan~0.base| (_ BitVec 32)) (|#t~string6.base| (_ BitVec 32))) (and (not (= |~#atanlo_atan~0.base| |~#aT_atan~0.base|)) (= (let ((.cse6 (select (select |#memory_int| |~#aT_atan~0.base|) (_ bv4 32)))) (fp ((_ extract 31 31) .cse6) ((_ extract 30 23) .cse6) ((_ extract 22 0) .cse6))) ((_ to_fp 8 24) currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 10000000149.0 50000000000.0))))) (not (= |~#aT_atan~0.base| |#t~string4.base|)) (or (= |~#aT_atan~0.base| (_ bv0 32)) (= (_ bv0 32) |#t~string6.base|) (= (_ bv0 32) |#t~string4.base|) (= |~#atanlo_atan~0.base| (_ bv0 32)) (= (select |#valid| (_ bv0 32)) (_ bv0 1)) (= (_ bv0 32) |~#atanhi_atan~0.base|) (= (_ bv0 32) |#t~string5.base|)) (not (= |~#aT_atan~0.base| |#t~string5.base|)) (= (bvadd (select |#valid| |#t~string4.base|) (_ bv1 1)) (_ bv0 1)) (not (= |~#atanlo_atan~0.base| |#t~string4.base|)) (= (_ bv1 1) (select |#valid| |~#aT_atan~0.base|)) (= (_ bv1 1) (select |#valid| |#t~string6.base|)) (not (= |~#aT_atan~0.base| |#t~string6.base|)) (= (_ bv1 1) (select |#valid| |#t~string5.base|)) (not (= |~#atanlo_atan~0.base| |#t~string5.base|)) (not (= |~#atanlo_atan~0.base| |#t~string6.base|)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_atan_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |~#atanhi_atan~0.offset| (_ bv0 32)))) [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L77-2(lines 77 80) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L69(lines 69 70) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L78(lines 78 79) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L265 CegarLoopResult]: At program point L136(lines 122 137) the Hoare annotation is: true [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L62-1(lines 62 66) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L258 CegarLoopResult]: At program point L62-2(lines 62 66) the Hoare annotation is: (let ((.cse2 (select |#memory_int| |~#atanhi_atan~0.base|))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 75497894159.0 1000000000000000000.0))) (let ((.cse0 (select (select |#memory_int| |~#atanlo_atan~0.base|) (bvadd |~#atanlo_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0)))) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 10000000000.0))) (let ((.cse1 (select .cse2 (bvadd |~#atanhi_atan~0.offset| (_ bv12 32))))) (fp ((_ extract 31 31) .cse1) ((_ extract 30 23) .cse1) ((_ extract 22 0) .cse1)))) (= (_ bv1 1) (select |#valid| |~#atanlo_atan~0.base|)) (= (_ bv1 1) (select |#valid| |~#atanhi_atan~0.base|)) (not (= |~#atanlo_atan~0.base| |~#atanhi_atan~0.base|)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 15707962513.0 20000000000.0))) (let ((.cse3 (select .cse2 (bvadd |~#atanhi_atan~0.offset| (_ bv4 32))))) (fp ((_ extract 31 31) .cse3) ((_ extract 30 23) .cse3) ((_ extract 22 0) .cse3)))) (exists ((|#t~string5.base| (_ BitVec 32)) (|#t~string4.base| (_ BitVec 32)) (|~#aT_atan~0.base| (_ BitVec 32)) (|#t~string6.base| (_ BitVec 32))) (and (not (= |~#atanlo_atan~0.base| |~#aT_atan~0.base|)) (= (let ((.cse4 (select (select |#memory_int| |~#aT_atan~0.base|) (_ bv4 32)))) (fp ((_ extract 31 31) .cse4) ((_ extract 30 23) .cse4) ((_ extract 22 0) .cse4))) ((_ to_fp 8 24) currentRoundingMode (fp.neg ((_ to_fp 11 53) currentRoundingMode (/ 10000000149.0 50000000000.0))))) (not (= |~#aT_atan~0.base| |#t~string4.base|)) (or (= |~#aT_atan~0.base| (_ bv0 32)) (= (_ bv0 32) |#t~string6.base|) (= (_ bv0 32) |#t~string4.base|) (= |~#atanlo_atan~0.base| (_ bv0 32)) (= (select |#valid| (_ bv0 32)) (_ bv0 1)) (= (_ bv0 32) |~#atanhi_atan~0.base|) (= (_ bv0 32) |#t~string5.base|)) (not (= |~#aT_atan~0.base| |#t~string5.base|)) (= (bvadd (select |#valid| |#t~string4.base|) (_ bv1 1)) (_ bv0 1)) (not (= |~#atanlo_atan~0.base| |#t~string4.base|)) (= (_ bv1 1) (select |#valid| |~#aT_atan~0.base|)) (= (_ bv1 1) (select |#valid| |#t~string6.base|)) (not (= |~#aT_atan~0.base| |#t~string6.base|)) (= (_ bv1 1) (select |#valid| |#t~string5.base|)) (not (= |~#atanlo_atan~0.base| |#t~string5.base|)) (not (= |~#atanlo_atan~0.base| |#t~string6.base|)))) (= ~pi_o_2~0 ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0)))) (exists ((currentRoundingMode RoundingMode)) (= ULTIMATE.start_atan_float_~x (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)))) (= |~#atanhi_atan~0.offset| (_ bv0 32)))) [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2020-12-09 09:20:57,132 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L71(lines 71 74) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L258 CegarLoopResult]: At program point L31(lines 19 32) the Hoare annotation is: false [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L114(lines 114 119) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L131(lines 131 134) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 132) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 32) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L84(lines 84 100) no Hoare annotation was computed. [2020-12-09 09:20:57,133 INFO L262 CegarLoopResult]: For program point L76(lines 76 101) no Hoare annotation was computed. [2020-12-09 09:20:57,134 INFO L262 CegarLoopResult]: For program point L68(lines 68 75) no Hoare annotation was computed. [2020-12-09 09:20:57,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,149 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,150 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,163 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,165 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,166 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,169 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,170 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,172 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,173 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,174 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,174 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,174 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,175 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,176 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,177 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,181 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,182 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,183 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,186 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,187 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,188 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,189 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 09:20:57 BoogieIcfgContainer [2020-12-09 09:20:57,193 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 09:20:57,193 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 09:20:57,193 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 09:20:57,194 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 09:20:57,194 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:20:01" (3/4) ... [2020-12-09 09:20:57,197 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-09 09:20:57,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-09 09:20:57,206 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-12-09 09:20:57,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 09:20:57,207 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-09 09:20:57,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 1bv1 == \valid[atanlo_atan]) && 1bv1 == \valid[atanhi_atan]) && !(atanlo_atan == atanhi_atan)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/20000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][22:0])) && (\exists #t~string5.base : bv32, #t~string4.base : bv32, ~#aT_atan~0.base : bv32, #t~string6.base : bv32 :: (((((((((((!(atanlo_atan == ~#aT_atan~0.base) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][31:31], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][30:23], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10000000149/50000000000)))) && !(~#aT_atan~0.base == #t~string4.base)) && ((((((~#aT_atan~0.base == 0bv32 || 0bv32 == #t~string6.base) || 0bv32 == #t~string4.base) || atanlo_atan == 0bv32) || \valid[0bv32] == 0bv1) || 0bv32 == atanhi_atan) || 0bv32 == #t~string5.base)) && !(~#aT_atan~0.base == #t~string5.base)) && ~bvadd64(\valid[#t~string4.base], 1bv1) == 0bv1) && !(atanlo_atan == #t~string4.base)) && 1bv1 == \valid[~#aT_atan~0.base]) && 1bv1 == \valid[#t~string6.base]) && !(~#aT_atan~0.base == #t~string6.base)) && 1bv1 == \valid[#t~string5.base]) && !(atanlo_atan == #t~string5.base)) && !(atanlo_atan == #t~string6.base))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && atanhi_atan == 0bv32 [2020-12-09 09:20:57,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 1bv1 == \valid[atanlo_atan]) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/20000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][22:0])) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_atan_float_~hx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_atan_float_~hx~0[31:31], ULTIMATE.start_atan_float_~hx~0[30:23], ULTIMATE.start_atan_float_~hx~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_atan_float_~hx~0) == ix)) && (\exists v_arrayElimCell_88 : bv32, v_arrayElimCell_85 : bv32 :: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(v_arrayElimCell_85[31:31], v_arrayElimCell_85[30:23], v_arrayElimCell_85[22:0]) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_88[31:31], v_arrayElimCell_88[30:23], v_arrayElimCell_88[22:0])), ~fp~LONGDOUBLE(v_arrayElimCell_85[31:31], v_arrayElimCell_85[30:23], v_arrayElimCell_85[22:0]))) && ~fp~LONGDOUBLE(v_arrayElimCell_88[31:31], v_arrayElimCell_88[30:23], v_arrayElimCell_88[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 15707962513/10000000000)))) && 1bv1 == \valid[atanhi_atan]) && !(atanlo_atan == atanhi_atan)) && (\exists #t~string5.base : bv32, #t~string4.base : bv32, ~#aT_atan~0.base : bv32, #t~string6.base : bv32 :: (((((((((((!(atanlo_atan == ~#aT_atan~0.base) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][31:31], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][30:23], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10000000149/50000000000)))) && !(~#aT_atan~0.base == #t~string4.base)) && ((((((~#aT_atan~0.base == 0bv32 || 0bv32 == #t~string6.base) || 0bv32 == #t~string4.base) || atanlo_atan == 0bv32) || \valid[0bv32] == 0bv1) || 0bv32 == atanhi_atan) || 0bv32 == #t~string5.base)) && !(~#aT_atan~0.base == #t~string5.base)) && ~bvadd64(\valid[#t~string4.base], 1bv1) == 0bv1) && !(atanlo_atan == #t~string4.base)) && 1bv1 == \valid[~#aT_atan~0.base]) && 1bv1 == \valid[#t~string6.base]) && !(~#aT_atan~0.base == #t~string6.base)) && 1bv1 == \valid[#t~string5.base]) && !(atanlo_atan == #t~string5.base)) && !(atanlo_atan == #t~string6.base))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && atanhi_atan == 0bv32 [2020-12-09 09:20:57,251 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bf908c2a-e328-4543-853e-9b57490ced91/bin/utaipan/witness.graphml [2020-12-09 09:20:57,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 09:20:57,252 INFO L168 Benchmark]: Toolchain (without parser) took 69514.60 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 48.1 MB in the beginning and 66.9 MB in the end (delta: -18.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,252 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 09:20:57,253 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.07 ms. Allocated memory is still 65.0 MB. Free memory was 47.9 MB in the beginning and 44.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.13 ms. Allocated memory is still 65.0 MB. Free memory was 44.9 MB in the beginning and 42.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,253 INFO L168 Benchmark]: Boogie Preprocessor took 43.08 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 40.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,254 INFO L168 Benchmark]: RCFGBuilder took 13606.32 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 40.4 MB in the beginning and 58.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,254 INFO L168 Benchmark]: TraceAbstraction took 55500.48 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 72.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,254 INFO L168 Benchmark]: Witness Printer took 57.70 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 66.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 09:20:57,256 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 65.0 MB. Free memory is still 47.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 253.07 ms. Allocated memory is still 65.0 MB. Free memory was 47.9 MB in the beginning and 44.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.13 ms. Allocated memory is still 65.0 MB. Free memory was 44.9 MB in the beginning and 42.5 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 43.08 ms. Allocated memory is still 65.0 MB. Free memory was 42.5 MB in the beginning and 40.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 13606.32 ms. Allocated memory was 65.0 MB in the beginning and 94.4 MB in the end (delta: 29.4 MB). Free memory was 40.4 MB in the beginning and 58.8 MB in the end (delta: -18.4 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 55500.48 ms. Allocated memory is still 94.4 MB. Free memory was 58.0 MB in the beginning and 72.1 MB in the end (delta: -14.1 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Witness Printer took 57.70 ms. Allocated memory is still 94.4 MB. Free memory was 72.1 MB in the beginning and 66.9 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~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_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,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[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~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_atan_float_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,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[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 132]: 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: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant [2020-12-09 09:20:57,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,263 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,264 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,265 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,266 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,268 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,269 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,270 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,271 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: (((((((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0]) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 1bv1 == \valid[atanlo_atan]) && 1bv1 == \valid[atanhi_atan]) && !(atanlo_atan == atanhi_atan)) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/20000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][22:0])) && (\exists #t~string5.base : bv32, #t~string4.base : bv32, ~#aT_atan~0.base : bv32, #t~string6.base : bv32 :: (((((((((((!(atanlo_atan == ~#aT_atan~0.base) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][31:31], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][30:23], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10000000149/50000000000)))) && !(~#aT_atan~0.base == #t~string4.base)) && ((((((~#aT_atan~0.base == 0bv32 || 0bv32 == #t~string6.base) || 0bv32 == #t~string4.base) || atanlo_atan == 0bv32) || \valid[0bv32] == 0bv1) || 0bv32 == atanhi_atan) || 0bv32 == #t~string5.base)) && !(~#aT_atan~0.base == #t~string5.base)) && ~bvadd64(\valid[#t~string4.base], 1bv1) == 0bv1) && !(atanlo_atan == #t~string4.base)) && 1bv1 == \valid[~#aT_atan~0.base]) && 1bv1 == \valid[#t~string6.base]) && !(~#aT_atan~0.base == #t~string6.base)) && 1bv1 == \valid[#t~string5.base]) && !(atanlo_atan == #t~string5.base)) && !(atanlo_atan == #t~string6.base))) && pi_o_2 == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && atanhi_atan == 0bv32 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant [2020-12-09 09:20:57,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,277 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,278 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,279 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,281 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_atan_float_~hx~0,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,282 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_85,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,283 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_88,QUANTIFIED] [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,284 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,285 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string4.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[~#aT_atan~0.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string5.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[#t~string6.base,QUANTIFIED] [2020-12-09 09:20:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2020-12-09 09:20:57,287 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] Derived loop invariant: ((((((((((((unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/10000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 12bv32)][22:0])) && 1bv1 == \valid[atanlo_atan]) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 15707962513/20000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][31:31], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][30:23], unknown-#memory_int-unknown[atanhi_atan][~bvadd64(atanhi_atan, 4bv32)][22:0])) && pi_o_2 == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3141592741/2000000000))) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][31:31], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][30:23], unknown-#memory_int-unknown[atanlo_atan][~bvadd64(atanlo_atan, 12bv32)][22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && (\exists ULTIMATE.start_atan_float_~hx~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~fp~LONGDOUBLE(ULTIMATE.start_atan_float_~hx~0[31:31], ULTIMATE.start_atan_float_~hx~0[30:23], ULTIMATE.start_atan_float_~hx~0[22:0]) == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) && ~bvand32(2147483647bv32, ULTIMATE.start_atan_float_~hx~0) == ix)) && (\exists v_arrayElimCell_88 : bv32, v_arrayElimCell_85 : bv32 :: (~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 75497894159/1000000000000000000)) == ~fp~LONGDOUBLE(v_arrayElimCell_85[31:31], v_arrayElimCell_85[30:23], v_arrayElimCell_85[22:0]) && \result == ~fp.sub~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~fp~LONGDOUBLE(v_arrayElimCell_88[31:31], v_arrayElimCell_88[30:23], v_arrayElimCell_88[22:0])), ~fp~LONGDOUBLE(v_arrayElimCell_85[31:31], v_arrayElimCell_85[30:23], v_arrayElimCell_85[22:0]))) && ~fp~LONGDOUBLE(v_arrayElimCell_88[31:31], v_arrayElimCell_88[30:23], v_arrayElimCell_88[22:0]) == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 15707962513/10000000000)))) && 1bv1 == \valid[atanhi_atan]) && !(atanlo_atan == atanhi_atan)) && (\exists #t~string5.base : bv32, #t~string4.base : bv32, ~#aT_atan~0.base : bv32, #t~string6.base : bv32 :: (((((((((((!(atanlo_atan == ~#aT_atan~0.base) && ~fp~LONGDOUBLE(unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][31:31], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][30:23], unknown-#memory_int-unknown[~#aT_atan~0.base][4bv32][22:0]) == ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 10000000149/50000000000)))) && !(~#aT_atan~0.base == #t~string4.base)) && ((((((~#aT_atan~0.base == 0bv32 || 0bv32 == #t~string6.base) || 0bv32 == #t~string4.base) || atanlo_atan == 0bv32) || \valid[0bv32] == 0bv1) || 0bv32 == atanhi_atan) || 0bv32 == #t~string5.base)) && !(~#aT_atan~0.base == #t~string5.base)) && ~bvadd64(\valid[#t~string4.base], 1bv1) == 0bv1) && !(atanlo_atan == #t~string4.base)) && 1bv1 == \valid[~#aT_atan~0.base]) && 1bv1 == \valid[#t~string6.base]) && !(~#aT_atan~0.base == #t~string6.base)) && 1bv1 == \valid[#t~string5.base]) && !(atanlo_atan == #t~string5.base)) && !(atanlo_atan == #t~string6.base))) && (\exists currentRoundingMode : FloatRoundingMode :: x == ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()))) && atanhi_atan == 0bv32 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 54.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 53 SDtfs, 29 SDslu, 12 SDs, 0 SdLazy, 18 SolverSat, 4 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=32occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 8 NumberOfFragments, 554 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 46.4s InterpolantComputationTime, 30 NumberOfCodeBlocks, 30 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 27 ConstructedInterpolants, 14 QuantifiedInterpolants, 28644 SizeOfPredicates, 21 NumberOfNonLiveVariables, 284 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...