./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4efa6b9ac5f17994ac853fda671607d1380ebffe .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4efa6b9ac5f17994ac853fda671607d1380ebffe ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:14:39,250 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:14:39,251 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:14:39,259 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:14:39,259 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:14:39,259 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:14:39,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:14:39,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:14:39,263 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:14:39,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:14:39,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:14:39,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:14:39,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:14:39,266 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:14:39,266 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:14:39,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:14:39,268 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:14:39,268 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:14:39,270 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:14:39,271 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:14:39,272 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:14:39,273 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:14:39,274 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:14:39,274 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:14:39,276 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:14:39,276 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:14:39,276 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:14:39,277 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:14:39,277 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:14:39,278 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:14:39,278 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:14:39,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:14:39,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:14:39,279 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:14:39,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:14:39,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:14:39,280 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:14:39,280 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:14:39,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:14:39,281 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:14:39,281 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:14:39,282 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:14:39,292 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:14:39,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:14:39,292 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:14:39,293 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:14:39,293 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:14:39,294 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:14:39,294 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:14:39,294 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:14:39,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:14:39,294 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:14:39,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:14:39,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:14:39,296 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:14:39,296 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:14:39,296 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:14:39,296 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:14:39,296 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:14:39,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:14:39,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:14:39,297 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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(__VERIFIER_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 -> 4efa6b9ac5f17994ac853fda671607d1380ebffe [2019-12-07 20:14:39,400 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:14:39,408 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:14:39,410 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:14:39,411 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:14:39,411 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:14:39,411 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-12-07 20:14:39,450 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/931ec9cf0/21d37194eba541feb34c5e92a9a4b306/FLAG4a1f728e7 [2019-12-07 20:14:39,905 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:14:39,905 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-12-07 20:14:39,911 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/931ec9cf0/21d37194eba541feb34c5e92a9a4b306/FLAG4a1f728e7 [2019-12-07 20:14:39,920 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/931ec9cf0/21d37194eba541feb34c5e92a9a4b306 [2019-12-07 20:14:39,922 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:14:39,923 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:14:39,924 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:39,924 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:14:39,926 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:14:39,927 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:39" (1/1) ... [2019-12-07 20:14:39,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78e3459d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:39, skipping insertion in model container [2019-12-07 20:14:39,929 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:39" (1/1) ... [2019-12-07 20:14:39,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:14:39,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:14:40,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:40,158 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:14:40,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:40,207 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:14:40,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40 WrapperNode [2019-12-07 20:14:40,208 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:40,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:40,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:14:40,208 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:14:40,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,222 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,247 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:40,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:14:40,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:14:40,247 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:14:40,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,277 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... [2019-12-07 20:14:40,283 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:14:40,283 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:14:40,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:14:40,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:14:40,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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 [2019-12-07 20:14:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:14:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:14:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:14:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:14:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:14:40,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:14:40,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:14:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 20:14:40,323 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:14:40,815 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:14:40,815 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-07 20:14:40,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:40 BoogieIcfgContainer [2019-12-07 20:14:40,816 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:14:40,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:14:40,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:14:40,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:14:40,820 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:14:39" (1/3) ... [2019-12-07 20:14:40,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486e8ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:14:40, skipping insertion in model container [2019-12-07 20:14:40,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:40" (2/3) ... [2019-12-07 20:14:40,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@486e8ceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:14:40, skipping insertion in model container [2019-12-07 20:14:40,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:40" (3/3) ... [2019-12-07 20:14:40,823 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2019-12-07 20:14:40,831 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:14:40,838 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:14:40,848 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:14:40,866 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:14:40,866 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:14:40,866 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:14:40,866 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:14:40,866 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:14:40,866 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:14:40,866 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:14:40,866 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:14:40,877 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2019-12-07 20:14:40,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:14:40,881 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:14:40,881 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:14:40,882 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:14:40,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:14:40,885 INFO L82 PathProgramCache]: Analyzing trace with hash -478988583, now seen corresponding path program 1 times [2019-12-07 20:14:40,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:14:40,891 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1018042840] [2019-12-07 20:14:40,891 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:14:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:14:40,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:14:40,990 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1018042840] [2019-12-07 20:14:40,991 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:14:40,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:14:40,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1767955610] [2019-12-07 20:14:40,994 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:14:40,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:14:41,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:14:41,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:14:41,004 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2019-12-07 20:14:41,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:14:41,021 INFO L93 Difference]: Finished difference Result 154 states and 263 transitions. [2019-12-07 20:14:41,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:14:41,022 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:14:41,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:14:41,029 INFO L225 Difference]: With dead ends: 154 [2019-12-07 20:14:41,029 INFO L226 Difference]: Without dead ends: 75 [2019-12-07 20:14:41,031 INFO L630 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 [2019-12-07 20:14:41,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-12-07 20:14:41,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-12-07 20:14:41,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-12-07 20:14:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 104 transitions. [2019-12-07 20:14:41,058 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 104 transitions. Word has length 10 [2019-12-07 20:14:41,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:14:41,058 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 104 transitions. [2019-12-07 20:14:41,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:14:41,058 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 104 transitions. [2019-12-07 20:14:41,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 20:14:41,058 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:14:41,058 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:14:41,059 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:14:41,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:14:41,059 INFO L82 PathProgramCache]: Analyzing trace with hash -934025694, now seen corresponding path program 1 times [2019-12-07 20:14:41,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:14:41,059 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1952805260] [2019-12-07 20:14:41,059 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:14:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:14:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:14:41,145 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:14:41,145 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:14:41,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:14:41 BoogieIcfgContainer [2019-12-07 20:14:41,170 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:14:41,170 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:14:41,170 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:14:41,171 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:14:41,171 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:40" (3/4) ... [2019-12-07 20:14:41,173 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:14:41,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:14:41,175 INFO L168 Benchmark]: Toolchain (without parser) took 1251.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 940.7 MB in the beginning and 977.3 MB in the end (delta: -36.6 MB). Peak memory consumption was 85.0 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:41,175 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:14:41,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:41,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:41,177 INFO L168 Benchmark]: Boogie Preprocessor took 35.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:41,177 INFO L168 Benchmark]: RCFGBuilder took 533.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:41,177 INFO L168 Benchmark]: TraceAbstraction took 352.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 977.3 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:14:41,178 INFO L168 Benchmark]: Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:14:41,180 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 959.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.6 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 533.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 89.6 MB). Peak memory consumption was 89.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 352.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 977.3 MB in the end (delta: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Witness Printer took 3.05 ms. Allocated memory is still 1.2 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 229]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 228, overapproximation of someUnaryDOUBLEoperation at line 42, overapproximation of bitwiseAnd at line 133, overapproximation of someUnaryFLOAToperation at line 216, overapproximation of someBinaryArithmeticFLOAToperation at line 135. Possible FailurePath: [L27-L32] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L34-L39] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L41-L45] 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, }; [L47-L49] 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; [L115-L116] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L216] float x = -0.0f; [L217] float y = __VERIFIER_nondet_float(); [L224] COND TRUE y > 0.0f [L119] float z; [L120] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L123] ieee_float_shape_type gf_u; [L124] gf_u.value = (x) [L125] EXPR gf_u.word [L125] (hx) = gf_u.word [L127] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L129] ieee_float_shape_type gf_u; [L130] gf_u.value = (y) [L131] EXPR gf_u.word [L131] (hy) = gf_u.word [L133] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L134] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L135] return x + y; VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L225] float res = __ieee754_atan2f(y, x); [L228] COND TRUE res != pi_o_2 VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L229] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={6:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 78 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 108 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=78occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, 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 0.1.25-f470102 [2019-12-07 20:14:42,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:14:42,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:14:42,544 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:14:42,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:14:42,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:14:42,546 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:14:42,548 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:14:42,549 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:14:42,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:14:42,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:14:42,551 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:14:42,551 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:14:42,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:14:42,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:14:42,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:14:42,554 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:14:42,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:14:42,556 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:14:42,558 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:14:42,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:14:42,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:14:42,560 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:14:42,561 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:14:42,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:14:42,563 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:14:42,563 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:14:42,564 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:14:42,564 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:14:42,565 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:14:42,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:14:42,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:14:42,566 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:14:42,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:14:42,567 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:14:42,567 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:14:42,568 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:14:42,568 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:14:42,568 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:14:42,569 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:14:42,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:14:42,570 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:14:42,581 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:14:42,581 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:14:42,582 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:14:42,582 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:14:42,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:14:42,583 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:14:42,583 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:14:42,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:14:42,583 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:14:42,583 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:14:42,584 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:14:42,584 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:14:42,584 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:14:42,584 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:14:42,584 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:14:42,584 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:14:42,585 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:14:42,586 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:14:42,586 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:14:42,586 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:14:42,586 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:14:42,586 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:14:42,586 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:14:42,586 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:14:42,587 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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(__VERIFIER_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 -> 4efa6b9ac5f17994ac853fda671607d1380ebffe [2019-12-07 20:14:42,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:14:42,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:14:42,769 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:14:42,770 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:14:42,770 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:14:42,770 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-12-07 20:14:42,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/b47515768/4c264f1a43e345f3ba4f4da52b1de0aa/FLAGe5a62fb81 [2019-12-07 20:14:43,154 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:14:43,155 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/sv-benchmarks/c/float-newlib/float_req_bl_0663a.c [2019-12-07 20:14:43,160 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/b47515768/4c264f1a43e345f3ba4f4da52b1de0aa/FLAGe5a62fb81 [2019-12-07 20:14:43,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/data/b47515768/4c264f1a43e345f3ba4f4da52b1de0aa [2019-12-07 20:14:43,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:14:43,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:14:43,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:43,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:14:43,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:14:43,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d96a266 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43, skipping insertion in model container [2019-12-07 20:14:43,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:14:43,198 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:14:43,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:43,345 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:14:43,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:14:43,443 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:14:43,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43 WrapperNode [2019-12-07 20:14:43,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:14:43,444 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:43,444 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:14:43,444 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:14:43,451 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,491 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:14:43,491 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:14:43,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:14:43,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:14:43,498 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,504 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,520 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,531 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... [2019-12-07 20:14:43,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:14:43,537 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:14:43,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:14:43,538 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:14:43,538 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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 [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:14:43,579 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:14:43,579 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:14:58,241 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:14:58,241 INFO L287 CfgBuilder]: Removed 40 assume(true) statements. [2019-12-07 20:14:58,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:58 BoogieIcfgContainer [2019-12-07 20:14:58,242 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:14:58,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:14:58,243 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:14:58,245 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:14:58,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:14:43" (1/3) ... [2019-12-07 20:14:58,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff80664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:14:58, skipping insertion in model container [2019-12-07 20:14:58,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:14:43" (2/3) ... [2019-12-07 20:14:58,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff80664 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:14:58, skipping insertion in model container [2019-12-07 20:14:58,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:58" (3/3) ... [2019-12-07 20:14:58,248 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_0663a.c [2019-12-07 20:14:58,254 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:14:58,259 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:14:58,266 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:14:58,282 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:14:58,282 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:14:58,282 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:14:58,282 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:14:58,283 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:14:58,283 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:14:58,283 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:14:58,283 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:14:58,294 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2019-12-07 20:14:58,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:14:58,299 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:14:58,299 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:14:58,299 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:14:58,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:14:58,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1059404064, now seen corresponding path program 1 times [2019-12-07 20:14:58,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:14:58,312 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1487800639] [2019-12-07 20:14:58,312 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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 [2019-12-07 20:14:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:14:59,203 INFO L264 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:14:59,207 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:14:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:14:59,219 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:14:59,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:14:59,223 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1487800639] [2019-12-07 20:14:59,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:14:59,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:14:59,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844824236] [2019-12-07 20:14:59,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:14:59,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:14:59,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:14:59,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:14:59,239 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2019-12-07 20:14:59,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:14:59,264 INFO L93 Difference]: Finished difference Result 219 states and 366 transitions. [2019-12-07 20:14:59,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:14:59,265 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 20:14:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:14:59,274 INFO L225 Difference]: With dead ends: 219 [2019-12-07 20:14:59,275 INFO L226 Difference]: Without dead ends: 107 [2019-12-07 20:14:59,278 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:14:59,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2019-12-07 20:14:59,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2019-12-07 20:14:59,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-12-07 20:14:59,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 155 transitions. [2019-12-07 20:14:59,312 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 155 transitions. Word has length 11 [2019-12-07 20:14:59,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:14:59,312 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 155 transitions. [2019-12-07 20:14:59,312 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:14:59,312 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 155 transitions. [2019-12-07 20:14:59,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 20:14:59,313 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:14:59,313 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:14:59,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:14:59,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:14:59,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:14:59,515 INFO L82 PathProgramCache]: Analyzing trace with hash -7441751, now seen corresponding path program 1 times [2019-12-07 20:14:59,517 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:14:59,517 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [118764489] [2019-12-07 20:14:59,518 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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 [2019-12-07 20:15:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:00,452 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-07 20:15:00,455 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:00,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:15:00,616 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:00,678 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:15:00,784 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:15:00,868 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-07 20:15:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:15:00,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [118764489] [2019-12-07 20:15:00,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:00,922 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 14 [2019-12-07 20:15:00,922 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601216767] [2019-12-07 20:15:00,923 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-07 20:15:00,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:00,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-07 20:15:00,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2019-12-07 20:15:00,924 INFO L87 Difference]: Start difference. First operand 107 states and 155 transitions. Second operand 14 states. [2019-12-07 20:15:01,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:01,206 INFO L93 Difference]: Finished difference Result 114 states and 163 transitions. [2019-12-07 20:15:01,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 20:15:01,210 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 13 [2019-12-07 20:15:01,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:01,210 INFO L225 Difference]: With dead ends: 114 [2019-12-07 20:15:01,210 INFO L226 Difference]: Without dead ends: 19 [2019-12-07 20:15:01,212 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2019-12-07 20:15:01,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2019-12-07 20:15:01,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2019-12-07 20:15:01,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2019-12-07 20:15:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 18 transitions. [2019-12-07 20:15:01,214 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 18 transitions. Word has length 13 [2019-12-07 20:15:01,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:01,214 INFO L462 AbstractCegarLoop]: Abstraction has 19 states and 18 transitions. [2019-12-07 20:15:01,214 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-07 20:15:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 18 transitions. [2019-12-07 20:15:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-07 20:15:01,215 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:15:01,215 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:15:01,415 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:15:01,416 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:15:01,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:15:01,417 INFO L82 PathProgramCache]: Analyzing trace with hash -625824453, now seen corresponding path program 1 times [2019-12-07 20:15:01,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:15:01,418 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [506157153] [2019-12-07 20:15:01,419 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/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 [2019-12-07 20:15:02,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:15:02,343 INFO L264 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:15:02,345 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:15:02,698 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:15:02,698 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:15:03,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:15:03,475 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [506157153] [2019-12-07 20:15:03,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:15:03,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 9 [2019-12-07 20:15:03,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930559833] [2019-12-07 20:15:03,476 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-12-07 20:15:03,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:15:03,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-12-07 20:15:03,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:15:03,477 INFO L87 Difference]: Start difference. First operand 19 states and 18 transitions. Second operand 10 states. [2019-12-07 20:15:03,948 WARN L192 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-12-07 20:15:04,227 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 19 [2019-12-07 20:15:04,488 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2019-12-07 20:15:04,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:15:04,489 INFO L93 Difference]: Finished difference Result 19 states and 18 transitions. [2019-12-07 20:15:04,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-07 20:15:04,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2019-12-07 20:15:04,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:15:04,489 INFO L225 Difference]: With dead ends: 19 [2019-12-07 20:15:04,490 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:15:04,490 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2019-12-07 20:15:04,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:15:04,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:15:04,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:15:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:15:04,491 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-12-07 20:15:04,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:15:04,491 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:15:04,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-12-07 20:15:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:15:04,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:15:04,691 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:15:04,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:15:05,006 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-07 20:15:05,037 INFO L242 CegarLoopResult]: At program point L118(lines 118 213) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= (fp.add roundNearestTiesToEven ~pi_o_2~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven (/ 1.0 1000000000000000000000000000000.0)))) |ULTIMATE.start___ieee754_atan2f_#res|) (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hy~0 (_ BitVec 32))) (and (fp.gt (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hy~0) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hy~0)) (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~iy~0 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hy~0)))) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-12-07 20:15:05,037 INFO L246 CegarLoopResult]: For program point L19(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:05,037 INFO L246 CegarLoopResult]: For program point L19-1(lines 12 25) no Hoare annotation was computed. [2019-12-07 20:15:05,037 INFO L246 CegarLoopResult]: For program point L19-2(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L19-4(lines 12 25) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L19-5(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L19-6(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L19-7(lines 12 25) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L19-8(lines 19 23) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L201(lines 201 205) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L168(lines 168 177) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L201-1(lines 194 206) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L201-2(lines 201 205) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L69(lines 69 94) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 94) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:15:05,038 INFO L246 CegarLoopResult]: For program point L185(lines 185 190) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L86(lines 86 92) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L86-2(lines 69 94) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L86-3(lines 86 92) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L86-5(lines 69 94) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L169(line 169) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L136(lines 136 137) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L70(lines 70 73) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L70-2(lines 70 73) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L70-3(lines 70 73) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L70-5(lines 70 73) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L153-2(line 153) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L71(lines 71 72) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L71-1(lines 71 72) no Hoare annotation was computed. [2019-12-07 20:15:05,039 INFO L246 CegarLoopResult]: For program point L187(lines 187 190) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L187-2(lines 185 190) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L55-1(lines 55 59) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L242 CegarLoopResult]: At program point L55-2(lines 55 59) the Hoare annotation is: false [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L55-5(lines 55 59) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L242 CegarLoopResult]: At program point L55-6(lines 55 59) the Hoare annotation is: false [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L55-7(lines 55 59) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L171(line 171) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L155(lines 155 179) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L155-1(lines 118 213) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L122-1(lines 122 126) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L242 CegarLoopResult]: At program point L122-2(lines 122 126) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L122-3(lines 122 126) no Hoare annotation was computed. [2019-12-07 20:15:05,040 INFO L246 CegarLoopResult]: For program point L156(lines 156 178) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L242 CegarLoopResult]: At program point L24(lines 12 25) the Hoare annotation is: false [2019-12-07 20:15:05,041 INFO L242 CegarLoopResult]: At program point L24-1(lines 12 25) the Hoare annotation is: false [2019-12-07 20:15:05,041 INFO L242 CegarLoopResult]: At program point L24-2(lines 12 25) the Hoare annotation is: false [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L173(line 173) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L140(lines 140 150) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L107(lines 107 112) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L140-2(lines 118 213) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L107-1(lines 107 112) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L157(lines 157 166) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L141(lines 141 149) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L224(lines 224 232) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L191(lines 191 212) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2019-12-07 20:15:05,041 INFO L246 CegarLoopResult]: For program point L224-2(lines 224 232) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L142-2(line 142) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L77(lines 77 93) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L77-1(lines 77 93) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L61(lines 61 68) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L61-1(lines 61 68) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L210(line 210) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L111(line 111) no Hoare annotation was computed. [2019-12-07 20:15:05,042 INFO L246 CegarLoopResult]: For program point L78(lines 78 84) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L111-2(line 111) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L242 CegarLoopResult]: At program point L111-3(lines 51 113) the Hoare annotation is: false [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L78-3(lines 78 84) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L111-4(line 111) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L111-6(line 111) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L242 CegarLoopResult]: At program point L111-7(lines 51 113) the Hoare annotation is: false [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L194(line 194) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) .cse0) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 3141592741.0 2000000000.0))) ~pi_o_2~0) (fp.gt ULTIMATE.start___ieee754_atan2f_~y (_ +zero 8 24)) (= ULTIMATE.start___ieee754_atan2f_~x .cse0) (exists ((ULTIMATE.start___ieee754_atan2f_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 30 23) ULTIMATE.start___ieee754_atan2f_~hx~1) ((_ extract 22 0) ULTIMATE.start___ieee754_atan2f_~hx~1)) (fp.neg (_ +zero 8 24))) (= ULTIMATE.start___ieee754_atan2f_~ix~2 (bvand (_ bv2147483647 32) ULTIMATE.start___ieee754_atan2f_~hx~1)))) (= ULTIMATE.start_main_~x~0 .cse0) (= currentRoundingMode roundNearestTiesToEven) (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (/ 1.0 1000000000000000000000000000000.0))) ~tiny_atan2~0))) [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L62(lines 62 63) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L62-1(lines 62 63) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2019-12-07 20:15:05,043 INFO L246 CegarLoopResult]: For program point L228(lines 228 231) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L162(line 162) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L242 CegarLoopResult]: At program point L14-2(lines 14 18) the Hoare annotation is: false [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L14-5(lines 14 18) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L242 CegarLoopResult]: At program point L14-6(lines 14 18) the Hoare annotation is: false [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L14-9(lines 14 18) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L242 CegarLoopResult]: At program point L14-10(lines 14 18) the Hoare annotation is: false [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L196-1(lines 196 200) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L242 CegarLoopResult]: At program point L196-2(lines 196 200) the Hoare annotation is: false [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L64(lines 64 67) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L64-1(lines 64 67) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2019-12-07 20:15:05,044 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:15:05,045 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 229) no Hoare annotation was computed. [2019-12-07 20:15:05,045 INFO L246 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2019-12-07 20:15:05,045 INFO L246 CegarLoopResult]: For program point L182-2(line 182) no Hoare annotation was computed. [2019-12-07 20:15:05,045 INFO L249 CegarLoopResult]: At program point L233(lines 215 234) the Hoare annotation is: true [2019-12-07 20:15:05,045 INFO L246 CegarLoopResult]: For program point L134(lines 134 135) no Hoare annotation was computed. [2019-12-07 20:15:05,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,052 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,053 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,055 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,056 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,057 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,058 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,059 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,059 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,059 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,060 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,062 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,063 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,064 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,066 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,066 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,067 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,068 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,068 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,069 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,069 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,070 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,071 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:15:05 BoogieIcfgContainer [2019-12-07 20:15:05,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:15:05,073 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:15:05,073 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:15:05,074 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:15:05,074 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:14:58" (3/4) ... [2019-12-07 20:15:05,077 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:15:05,088 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-07 20:15:05,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2019-12-07 20:15:05,089 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:15:05,109 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-12-07 20:15:05,110 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 [2019-12-07 20:15:05,148 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_11927eee-e2c8-4257-9ede-cbed03b9b6ce/bin/utaipan/witness.graphml [2019-12-07 20:15:05,148 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:15:05,149 INFO L168 Benchmark]: Toolchain (without parser) took 21978.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.4 MB in the beginning and 839.7 MB in the end (delta: 112.7 MB). Peak memory consumption was 256.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:05,149 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:15:05,150 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:05,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:05,150 INFO L168 Benchmark]: Boogie Preprocessor took 45.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:15:05,150 INFO L168 Benchmark]: RCFGBuilder took 14704.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:05,151 INFO L168 Benchmark]: TraceAbstraction took 6830.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 853.2 MB in the end (delta: 192.1 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:05,151 INFO L168 Benchmark]: Witness Printer took 74.98 ms. Allocated memory is still 1.2 GB. Free memory was 853.2 MB in the beginning and 839.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-12-07 20:15:05,152 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -180.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.73 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 14704.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6830.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 853.2 MB in the end (delta: 192.1 MB). Peak memory consumption was 192.1 MB. Max. memory is 11.5 GB. * Witness Printer took 74.98 ms. Allocated memory is still 1.2 GB. Free memory was 853.2 MB in the beginning and 839.7 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 229]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant [2019-12-07 20:15:05,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,157 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,158 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,159 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 118]: Loop Invariant [2019-12-07 20:15:05,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,161 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,162 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hy~0,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start___ieee754_atan2f_~hx~1,QUANTIFIED] [2019-12-07 20:15:05,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((((((~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ~fp.add~FLOAT(~roundNearestTiesToEven, pi_o_2, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1/1000000000000000000000000000000))) == \result) && ~fp.gt~FLOAT(~fp~LONGDOUBLE(hy[31:31], hy[30:23], hy[22:0]), ~Pluszero~LONGDOUBLE())) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2) && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && (\exists ULTIMATE.start___ieee754_atan2f_~hy~0 : bv32 :: ~fp.gt~FLOAT(~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hy~0[31:31], ULTIMATE.start___ieee754_atan2f_~hy~0[30:23], ULTIMATE.start___ieee754_atan2f_~hy~0[22:0]), ~Pluszero~LONGDOUBLE()) && iy == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hy~0))) && (\exists ULTIMATE.start___ieee754_atan2f_~hx~1 : bv32 :: ~fp~LONGDOUBLE(ULTIMATE.start___ieee754_atan2f_~hx~1[31:31], ULTIMATE.start___ieee754_atan2f_~hx~1[30:23], ULTIMATE.start___ieee754_atan2f_~hx~1[22:0]) == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE()) && ix == ~bvand32(2147483647bv32, ULTIMATE.start___ieee754_atan2f_~hx~1))) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 51]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant [2019-12-07 20:15:05,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:15:05,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:15:05,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 3141592741/2000000000)) == pi_o_2 && ~fp.gt~FLOAT(y, ~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && x == ~fp.neg~FLOAT(~Pluszero~LONGDOUBLE())) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1/1000000000000000000000000000000)) == tiny_atan2 - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 1 error locations. Result: SAFE, OverallTime: 6.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 181 SDtfs, 123 SDslu, 68 SDs, 0 SdLazy, 45 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=111occurred 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, 15 LocationsWithAnnotation, 15 PreInvPairs, 19 NumberOfFragments, 188 HoareAnnotationTreeSize, 15 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 2.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 78 ConstructedInterpolants, 9 QuantifiedInterpolants, 10401 SizeOfPredicates, 18 NumberOfNonLiveVariables, 293 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...