./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 80f5f1ccd9454019e5b231b920d368e18867583c ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 80f5f1ccd9454019e5b231b920d368e18867583c ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:19:21,268 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:19:21,272 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:19:21,282 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:19:21,283 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:19:21,284 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:19:21,286 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:19:21,288 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:19:21,290 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:19:21,292 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:19:21,294 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:19:21,295 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:19:21,295 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:19:21,297 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:19:21,304 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:19:21,304 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:19:21,305 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:19:21,306 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:19:21,307 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:19:21,308 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:19:21,308 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:19:21,312 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:19:21,315 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:19:21,317 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:19:21,317 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:19:21,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:19:21,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:19:21,319 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:19:21,320 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:19:21,321 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:19:21,323 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:19:21,324 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:19:21,324 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:19:21,324 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:19:21,325 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:19:21,325 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:19:21,325 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:19:21,339 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:19:21,340 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:19:21,341 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:19:21,342 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:19:21,342 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:19:21,342 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:19:21,342 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:19:21,343 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:19:21,343 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:19:21,343 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:19:21,343 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:19:21,344 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:19:21,345 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:19:21,345 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:19:21,346 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:19:21,347 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:19:21,347 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:19:21,347 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:19:21,347 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:19:21,347 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:19:21,347 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:19:21,347 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:19:21,347 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:19:21,348 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:19:21,348 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:19:21,348 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:19:21,348 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:19:21,348 INFO L133 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/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-10-27 00:19:21,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:19:21,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:19:21,403 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:19:21,404 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:19:21,404 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:19:21,405 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-10-27 00:19:21,455 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/484b20f62/2ce1c22ee9f946beb3adf446c082997e/FLAGba01583ae [2018-10-27 00:19:21,892 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:19:21,893 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-10-27 00:19:21,901 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/484b20f62/2ce1c22ee9f946beb3adf446c082997e/FLAGba01583ae [2018-10-27 00:19:21,913 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/484b20f62/2ce1c22ee9f946beb3adf446c082997e [2018-10-27 00:19:21,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:19:21,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:19:21,922 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:19:21,922 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:19:21,929 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:19:21,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:19:21" (1/1) ... [2018-10-27 00:19:21,936 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ed79805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:21, skipping insertion in model container [2018-10-27 00:19:21,936 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:19:21" (1/1) ... [2018-10-27 00:19:21,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:19:21,970 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:19:22,129 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:19:22,133 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:19:22,174 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:19:22,193 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:19:22,194 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22 WrapperNode [2018-10-27 00:19:22,194 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:19:22,195 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:19:22,195 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:19:22,195 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:19:22,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,214 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,245 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:19:22,246 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:19:22,246 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:19:22,246 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:19:22,254 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,260 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,260 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... [2018-10-27 00:19:22,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:19:22,359 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:19:22,359 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:19:22,369 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:19:22,371 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 [2018-10-27 00:19:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:19:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:19:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-10-27 00:19:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-10-27 00:19:22,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:19:22,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:19:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-27 00:19:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-27 00:19:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:19:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:19:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-27 00:19:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-27 00:19:22,432 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-27 00:19:22,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-27 00:19:23,440 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:19:23,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:23 BoogieIcfgContainer [2018-10-27 00:19:23,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:19:23,443 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:19:23,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:19:23,446 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:19:23,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:19:21" (1/3) ... [2018-10-27 00:19:23,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd0ce50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:23, skipping insertion in model container [2018-10-27 00:19:23,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:22" (2/3) ... [2018-10-27 00:19:23,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd0ce50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:23, skipping insertion in model container [2018-10-27 00:19:23,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:23" (3/3) ... [2018-10-27 00:19:23,449 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-10-27 00:19:23,458 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:19:23,464 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:19:23,479 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:19:23,506 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:19:23,506 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:19:23,507 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:19:23,507 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:19:23,507 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:19:23,509 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:19:23,509 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:19:23,509 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:19:23,525 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-10-27 00:19:23,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 00:19:23,531 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:23,532 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:23,534 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:23,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:23,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1652045665, now seen corresponding path program 1 times [2018-10-27 00:19:23,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:19:23,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:23,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:23,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:23,586 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:19:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:23,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:23,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:23,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:19:23,671 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:19:23,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:19:23,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:19:23,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:19:23,695 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-10-27 00:19:23,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:23,721 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-10-27 00:19:23,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:19:23,722 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-10-27 00:19:23,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:23,731 INFO L225 Difference]: With dead ends: 156 [2018-10-27 00:19:23,731 INFO L226 Difference]: Without dead ends: 78 [2018-10-27 00:19:23,734 INFO L605 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 [2018-10-27 00:19:23,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-27 00:19:23,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-10-27 00:19:23,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-27 00:19:23,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-10-27 00:19:23,772 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-10-27 00:19:23,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:23,773 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-10-27 00:19:23,773 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:19:23,773 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-10-27 00:19:23,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 00:19:23,774 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:23,774 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:23,774 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:23,774 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:23,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1345934210, now seen corresponding path program 1 times [2018-10-27 00:19:23,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:19:23,775 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:23,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:23,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:19:23,776 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:19:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:19:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:19:23,854 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:19:23,871 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,872 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,873 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,874 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,875 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,876 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-27 00:19:23,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,877 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:19:23,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:19:23 BoogieIcfgContainer [2018-10-27 00:19:23,897 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:19:23,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:19:23,898 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:19:23,898 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:19:23,898 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:23" (3/4) ... [2018-10-27 00:19:23,902 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-27 00:19:23,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:19:23,903 INFO L168 Benchmark]: Toolchain (without parser) took 1985.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 954.5 MB in the beginning and 1.1 GB in the end (delta: -110.8 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:19:23,904 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:19:23,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 272.31 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:19:23,906 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.70 ms. Allocated memory is still 1.0 GB. Free memory was 938.3 MB in the beginning and 935.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:19:23,906 INFO L168 Benchmark]: Boogie Preprocessor took 112.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-10-27 00:19:23,907 INFO L168 Benchmark]: RCFGBuilder took 1081.80 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-10-27 00:19:23,907 INFO L168 Benchmark]: TraceAbstraction took 454.44 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:19:23,908 INFO L168 Benchmark]: Witness Printer took 4.66 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. [2018-10-27 00:19:23,912 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 272.31 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 938.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.70 ms. Allocated memory is still 1.0 GB. Free memory was 938.3 MB in the beginning and 935.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -205.8 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1081.80 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: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 454.44 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: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Witness Printer took 4.66 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. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=24, \old(one_asin)=11, \old(one_sqrt)=8, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=19, \old(pio4_hi_asin)=12, \old(pS0_asin)=18, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=17, \old(pS4_asin)=22, \old(pS5_asin)=15, \old(qS1_asin)=26, \old(qS2_asin)=23, \old(qS3_asin)=5, \old(qS4_asin)=20, \old(tiny_sqrt)=21, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] CALL, EXPR __ieee754_asinf(x) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L121] CALL ieee_float_shape_type gf_u; [L121] RET ieee_float_shape_type gf_u; [L122] CALL gf_u.value = (x) [L122] RET gf_u.value = (x) [L123] CALL, EXPR gf_u.word [L123] RET, EXPR gf_u.word [L123] (hx) = gf_u.word [L123] RET (hx) = gf_u.word [L124] COND FALSE !(0) VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L125] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L126] COND TRUE ix == 0x3f800000 [L128] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=25, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=25, tiny_sqrt=1/1000000000000000000000000000000, x=14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 100 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=82occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: 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 0.1.23-1dbac8b [2018-10-27 00:19:25,719 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:19:25,726 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:19:25,734 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:19:25,734 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:19:25,735 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:19:25,736 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:19:25,737 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:19:25,738 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:19:25,739 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:19:25,740 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:19:25,740 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:19:25,740 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:19:25,741 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:19:25,742 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:19:25,743 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:19:25,743 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:19:25,745 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:19:25,746 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:19:25,747 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:19:25,748 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:19:25,749 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:19:25,751 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:19:25,751 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:19:25,751 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:19:25,752 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:19:25,752 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:19:25,753 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:19:25,754 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:19:25,754 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:19:25,755 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:19:25,755 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:19:25,755 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:19:25,755 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:19:25,756 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:19:25,763 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:19:25,764 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-27 00:19:25,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:19:25,783 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:19:25,784 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:19:25,785 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:19:25,785 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:19:25,785 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:19:25,786 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:19:25,786 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:19:25,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:19:25,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:19:25,789 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:19:25,789 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:19:25,789 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:19:25,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:19:25,789 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:19:25,790 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 00:19:25,790 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 00:19:25,790 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:19:25,790 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:19:25,790 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:19:25,791 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:19:25,791 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:19:25,791 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:19:25,791 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:19:25,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:19:25,791 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:19:25,791 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:19:25,792 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:19:25,792 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 00:19:25,792 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:19:25,792 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 00:19:25,792 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-27 00:19:25,792 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-10-27 00:19:25,838 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:19:25,852 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:19:25,855 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:19:25,860 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:19:25,861 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:19:25,863 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-10-27 00:19:25,902 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/f63aad97a/1dac170c2e7149949da6a33d002dadd9/FLAGa72048a77 [2018-10-27 00:19:26,310 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:19:26,310 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-10-27 00:19:26,317 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/f63aad97a/1dac170c2e7149949da6a33d002dadd9/FLAGa72048a77 [2018-10-27 00:19:26,328 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/data/f63aad97a/1dac170c2e7149949da6a33d002dadd9 [2018-10-27 00:19:26,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:19:26,332 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:19:26,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:19:26,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:19:26,336 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:19:26,337 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,339 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f2b8c9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26, skipping insertion in model container [2018-10-27 00:19:26,340 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,347 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:19:26,368 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:19:26,561 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:19:26,566 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:19:26,620 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:19:26,643 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:19:26,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26 WrapperNode [2018-10-27 00:19:26,643 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:19:26,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:19:26,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:19:26,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:19:26,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,665 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:19:26,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:19:26,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:19:26,716 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:19:26,723 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,732 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,747 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... [2018-10-27 00:19:26,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:19:26,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:19:26,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:19:26,768 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:19:26,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 [2018-10-27 00:19:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:19:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:19:26,889 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-10-27 00:19:26,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-10-27 00:19:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:19:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:19:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-10-27 00:19:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-10-27 00:19:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:19:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:19:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-27 00:19:26,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-27 00:19:26,890 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-10-27 00:19:26,891 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-10-27 00:19:27,169 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:19:34,942 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:19:35,007 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:19:37,164 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:19:37,230 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-27 00:19:37,805 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:19:37,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:37 BoogieIcfgContainer [2018-10-27 00:19:37,805 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:19:37,806 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:19:37,806 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:19:37,809 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:19:37,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:19:26" (1/3) ... [2018-10-27 00:19:37,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5010b04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:37, skipping insertion in model container [2018-10-27 00:19:37,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:19:26" (2/3) ... [2018-10-27 00:19:37,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5010b04a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:19:37, skipping insertion in model container [2018-10-27 00:19:37,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:37" (3/3) ... [2018-10-27 00:19:37,812 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-10-27 00:19:37,822 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:19:37,829 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:19:37,840 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:19:37,866 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 00:19:37,867 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:19:37,867 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:19:37,867 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:19:37,867 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:19:37,867 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:19:37,867 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:19:37,867 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:19:37,867 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:19:37,883 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2018-10-27 00:19:37,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 00:19:37,889 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:37,890 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:37,892 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:37,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:37,896 INFO L82 PathProgramCache]: Analyzing trace with hash -1652045665, now seen corresponding path program 1 times [2018-10-27 00:19:37,900 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:37,900 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 [2018-10-27 00:19:37,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:38,123 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:19:38,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:38,136 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:19:38,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:38,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 00:19:38,150 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-27 00:19:38,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-27 00:19:38,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:19:38,161 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2018-10-27 00:19:38,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:38,185 INFO L93 Difference]: Finished difference Result 156 states and 233 transitions. [2018-10-27 00:19:38,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-27 00:19:38,186 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-10-27 00:19:38,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:38,196 INFO L225 Difference]: With dead ends: 156 [2018-10-27 00:19:38,196 INFO L226 Difference]: Without dead ends: 78 [2018-10-27 00:19:38,200 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-27 00:19:38,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-10-27 00:19:38,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-10-27 00:19:38,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-27 00:19:38,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 96 transitions. [2018-10-27 00:19:38,237 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 96 transitions. Word has length 17 [2018-10-27 00:19:38,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:38,237 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 96 transitions. [2018-10-27 00:19:38,238 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-27 00:19:38,238 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 96 transitions. [2018-10-27 00:19:38,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 00:19:38,238 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:38,239 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:38,239 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:38,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:38,239 INFO L82 PathProgramCache]: Analyzing trace with hash 1345934210, now seen corresponding path program 1 times [2018-10-27 00:19:38,240 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:38,240 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-27 00:19:38,249 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-27 00:19:38,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:38,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:19:38,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:38,729 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:19:38,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:38,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:19:38,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:19:38,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:19:38,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:19:38,746 INFO L87 Difference]: Start difference. First operand 78 states and 96 transitions. Second operand 7 states. [2018-10-27 00:19:45,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:45,204 INFO L93 Difference]: Finished difference Result 96 states and 115 transitions. [2018-10-27 00:19:45,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:19:45,216 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-10-27 00:19:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:45,218 INFO L225 Difference]: With dead ends: 96 [2018-10-27 00:19:45,218 INFO L226 Difference]: Without dead ends: 81 [2018-10-27 00:19:45,219 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:19:45,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-10-27 00:19:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-10-27 00:19:45,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-27 00:19:45,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 95 transitions. [2018-10-27 00:19:45,231 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 95 transitions. Word has length 18 [2018-10-27 00:19:45,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:45,232 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 95 transitions. [2018-10-27 00:19:45,233 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:19:45,233 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2018-10-27 00:19:45,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:19:45,234 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:45,234 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:45,234 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:45,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:45,235 INFO L82 PathProgramCache]: Analyzing trace with hash -2101548931, now seen corresponding path program 1 times [2018-10-27 00:19:45,235 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:45,235 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/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 [2018-10-27 00:19:45,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:45,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:19:45,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:45,623 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:19:45,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:45,634 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:19:45,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:19:45,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:19:45,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:19:45,635 INFO L87 Difference]: Start difference. First operand 78 states and 95 transitions. Second operand 7 states. [2018-10-27 00:19:51,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:51,121 INFO L93 Difference]: Finished difference Result 96 states and 114 transitions. [2018-10-27 00:19:51,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:19:51,122 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-10-27 00:19:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:51,123 INFO L225 Difference]: With dead ends: 96 [2018-10-27 00:19:51,123 INFO L226 Difference]: Without dead ends: 81 [2018-10-27 00:19:51,124 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:19:51,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-10-27 00:19:51,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-10-27 00:19:51,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-27 00:19:51,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 94 transitions. [2018-10-27 00:19:51,132 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 94 transitions. Word has length 19 [2018-10-27 00:19:51,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:51,132 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 94 transitions. [2018-10-27 00:19:51,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:19:51,133 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 94 transitions. [2018-10-27 00:19:51,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-27 00:19:51,134 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:51,134 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:51,134 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:51,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:51,135 INFO L82 PathProgramCache]: Analyzing trace with hash 670219783, now seen corresponding path program 1 times [2018-10-27 00:19:51,135 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:51,135 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-27 00:19:51,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:52,221 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:19:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:52,328 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:19:52,355 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:52,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:19:52,355 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:19:52,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:19:52,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:19:52,356 INFO L87 Difference]: Start difference. First operand 78 states and 94 transitions. Second operand 7 states. [2018-10-27 00:19:57,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:57,547 INFO L93 Difference]: Finished difference Result 109 states and 130 transitions. [2018-10-27 00:19:57,548 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:19:57,548 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-10-27 00:19:57,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:57,549 INFO L225 Difference]: With dead ends: 109 [2018-10-27 00:19:57,549 INFO L226 Difference]: Without dead ends: 86 [2018-10-27 00:19:57,549 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:19:57,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-10-27 00:19:57,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 83. [2018-10-27 00:19:57,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-10-27 00:19:57,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 100 transitions. [2018-10-27 00:19:57,563 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 100 transitions. Word has length 21 [2018-10-27 00:19:57,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:57,563 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 100 transitions. [2018-10-27 00:19:57,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:19:57,563 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 100 transitions. [2018-10-27 00:19:57,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 00:19:57,565 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:57,566 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:57,566 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:57,566 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:57,567 INFO L82 PathProgramCache]: Analyzing trace with hash -603527927, now seen corresponding path program 1 times [2018-10-27 00:19:57,567 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:57,567 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-10-27 00:19:57,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:57,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:19:57,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:57,761 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:19:57,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:57,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:19:57,770 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:19:57,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:19:57,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:19:57,770 INFO L87 Difference]: Start difference. First operand 83 states and 100 transitions. Second operand 7 states. [2018-10-27 00:19:58,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:58,141 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-10-27 00:19:58,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:19:58,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-10-27 00:19:58,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:58,149 INFO L225 Difference]: With dead ends: 90 [2018-10-27 00:19:58,149 INFO L226 Difference]: Without dead ends: 87 [2018-10-27 00:19:58,149 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:19:58,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-10-27 00:19:58,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-10-27 00:19:58,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-10-27 00:19:58,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 104 transitions. [2018-10-27 00:19:58,159 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 104 transitions. Word has length 22 [2018-10-27 00:19:58,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:58,160 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 104 transitions. [2018-10-27 00:19:58,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:19:58,160 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 104 transitions. [2018-10-27 00:19:58,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 00:19:58,161 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:58,162 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:58,163 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:58,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:58,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1569377977, now seen corresponding path program 1 times [2018-10-27 00:19:58,164 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:58,164 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-27 00:19:58,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:19:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:19:58,265 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:19:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:19:58,714 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:19:58,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:19:58,727 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-10-27 00:19:58,727 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-10-27 00:19:58,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-10-27 00:19:58,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-10-27 00:19:58,728 INFO L87 Difference]: Start difference. First operand 87 states and 104 transitions. Second operand 12 states. [2018-10-27 00:19:59,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:19:59,393 INFO L93 Difference]: Finished difference Result 92 states and 109 transitions. [2018-10-27 00:19:59,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-10-27 00:19:59,394 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-10-27 00:19:59,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:19:59,395 INFO L225 Difference]: With dead ends: 92 [2018-10-27 00:19:59,396 INFO L226 Difference]: Without dead ends: 83 [2018-10-27 00:19:59,396 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-10-27 00:19:59,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-10-27 00:19:59,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-10-27 00:19:59,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-10-27 00:19:59,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2018-10-27 00:19:59,406 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 30 [2018-10-27 00:19:59,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:19:59,406 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2018-10-27 00:19:59,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-10-27 00:19:59,406 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2018-10-27 00:19:59,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-27 00:19:59,410 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:19:59,410 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:19:59,411 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:19:59,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:19:59,411 INFO L82 PathProgramCache]: Analyzing trace with hash -817268331, now seen corresponding path program 1 times [2018-10-27 00:19:59,411 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:19:59,411 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-27 00:19:59,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:20:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:00,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:00,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:00,809 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:20:00,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:20:00,830 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 00:20:00,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 00:20:00,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 00:20:00,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:20:00,831 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand 7 states. [2018-10-27 00:20:03,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:20:03,477 INFO L93 Difference]: Finished difference Result 102 states and 120 transitions. [2018-10-27 00:20:03,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 00:20:03,479 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-10-27 00:20:03,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:20:03,479 INFO L225 Difference]: With dead ends: 102 [2018-10-27 00:20:03,480 INFO L226 Difference]: Without dead ends: 81 [2018-10-27 00:20:03,480 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-27 00:20:03,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-10-27 00:20:03,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 78. [2018-10-27 00:20:03,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-10-27 00:20:03,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 91 transitions. [2018-10-27 00:20:03,487 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 91 transitions. Word has length 41 [2018-10-27 00:20:03,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:20:03,487 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 91 transitions. [2018-10-27 00:20:03,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 00:20:03,487 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 91 transitions. [2018-10-27 00:20:03,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-10-27 00:20:03,488 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:20:03,488 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:20:03,488 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:20:03,488 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:20:03,489 INFO L82 PathProgramCache]: Analyzing trace with hash -846541156, now seen corresponding path program 1 times [2018-10-27 00:20:03,491 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-27 00:20:03,491 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-27 00:20:03,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:20:04,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:20:04,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 00:20:05,742 WARN L179 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:20:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:20:06,072 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 00:20:06,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:20:06,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 00:20:06,100 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 00:20:06,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 00:20:06,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:20:06,101 INFO L87 Difference]: Start difference. First operand 78 states and 91 transitions. Second operand 6 states. [2018-10-27 00:20:07,608 WARN L179 SmtUtils]: Spent 660.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-27 00:20:10,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:20:10,514 INFO L93 Difference]: Finished difference Result 78 states and 91 transitions. [2018-10-27 00:20:10,520 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 00:20:10,520 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-10-27 00:20:10,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:20:10,520 INFO L225 Difference]: With dead ends: 78 [2018-10-27 00:20:10,520 INFO L226 Difference]: Without dead ends: 0 [2018-10-27 00:20:10,521 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 00:20:10,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-27 00:20:10,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-27 00:20:10,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-27 00:20:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-27 00:20:10,522 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-10-27 00:20:10,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:20:10,522 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-27 00:20:10,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 00:20:10,522 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-27 00:20:10,522 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:20:10,525 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-27 00:20:11,446 WARN L179 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-10-27 00:20:12,059 WARN L179 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2018-10-27 00:20:12,817 WARN L179 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-10-27 00:20:12,851 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:20:12,851 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:20:12,851 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:20:12,851 INFO L425 ceAbstractionStarter]: For program point L99-2(lines 92 105) no Hoare annotation was computed. [2018-10-27 00:20:12,851 INFO L425 ceAbstractionStarter]: For program point L99-3(lines 99 103) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L428 ceAbstractionStarter]: At program point L94-3(lines 94 98) the Hoare annotation is: true [2018-10-27 00:20:12,852 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_asin~0) (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)))) [2018-10-27 00:20:12,852 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L425 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-10-27 00:20:12,852 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-10-27 00:20:12,853 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-10-27 00:20:12,853 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-10-27 00:20:12,853 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-10-27 00:20:12,853 INFO L425 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-10-27 00:20:12,853 INFO L425 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-10-27 00:20:12,853 INFO L421 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-10-27 00:20:12,853 INFO L425 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-10-27 00:20:12,853 INFO L421 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-10-27 00:20:12,854 INFO L421 ceAbstractionStarter]: At program point L163-3(lines 163 167) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L168-2(lines 160 178) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L168-3(lines 168 172) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L421 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-10-27 00:20:12,854 INFO L421 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) __ieee754_asinf_~ix~2))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (not (bvslt (bvand __ieee754_asinf_~hx~1 (_ bv2147483647 32)) (_ bv1056964608 32))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|)))) (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-10-27 00:20:12,854 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L421 ceAbstractionStarter]: At program point L120-3(lines 120 124) the Hoare annotation is: (or (not (= ~huge_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0))))) [2018-10-27 00:20:12,855 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L120-4(lines 120 124) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-10-27 00:20:12,855 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L421 ceAbstractionStarter]: At program point L15-3(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L15-4(lines 15 19) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L428 ceAbstractionStarter]: At program point L31-3(lines 31 35) the Hoare annotation is: true [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L31-4(lines 31 35) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 49) no Hoare annotation was computed. [2018-10-27 00:20:12,856 INFO L425 ceAbstractionStarter]: For program point L48-3(lines 48 49) no Hoare annotation was computed. [2018-10-27 00:20:12,857 INFO L425 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-10-27 00:20:12,857 INFO L428 ceAbstractionStarter]: At program point L48-4(lines 48 49) the Hoare annotation is: true [2018-10-27 00:20:12,861 INFO L425 ceAbstractionStarter]: For program point L48-5(lines 48 49) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L62-1(lines 62 71) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L428 ceAbstractionStarter]: At program point L62-3(lines 62 71) the Hoare annotation is: true [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L62-4(lines 26 91) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-10-27 00:20:12,862 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-10-27 00:20:12,863 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-10-27 00:20:12,863 INFO L425 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-10-27 00:20:12,863 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-10-27 00:20:12,870 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,871 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,873 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,873 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,874 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,874 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,876 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,877 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,878 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,878 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,878 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,878 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,878 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,879 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,879 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,879 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,880 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,880 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,880 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,880 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,880 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:20:12 BoogieIcfgContainer [2018-10-27 00:20:12,882 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:20:12,883 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:20:12,883 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:20:12,883 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:20:12,883 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:19:37" (3/4) ... [2018-10-27 00:20:12,886 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:20:12,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-27 00:20:12,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-10-27 00:20:12,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-27 00:20:12,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-10-27 00:20:12,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-10-27 00:20:12,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-10-27 00:20:12,900 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 136 nodes and edges [2018-10-27 00:20:12,901 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2018-10-27 00:20:12,901 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 00:20:12,902 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:20:12,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-27 00:20:12,927 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-10-27 00:20:12,928 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) [2018-10-27 00:20:12,971 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f9e18e3-c2c7-4ff9-b502-633ce1a08bdc/bin-2019/utaipan/witness.graphml [2018-10-27 00:20:12,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:20:12,972 INFO L168 Benchmark]: Toolchain (without parser) took 46640.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -130.0 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:12,973 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:20:12,973 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.58 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 930.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:12,973 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.74 ms. Allocated memory is still 1.0 GB. Free memory is still 925.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:20:12,973 INFO L168 Benchmark]: Boogie Preprocessor took 53.32 ms. Allocated memory is still 1.0 GB. Free memory was 925.0 MB in the beginning and 919.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:12,974 INFO L168 Benchmark]: RCFGBuilder took 11038.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 919.7 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:12,974 INFO L168 Benchmark]: TraceAbstraction took 35076.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.7 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:12,974 INFO L168 Benchmark]: Witness Printer took 88.81 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:20:12,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 973.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.58 ms. Allocated memory is still 1.0 GB. Free memory was 946.5 MB in the beginning and 930.4 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.74 ms. Allocated memory is still 1.0 GB. Free memory is still 925.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.32 ms. Allocated memory is still 1.0 GB. Free memory was 925.0 MB in the beginning and 919.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11038.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 919.7 MB in the beginning and 1.1 GB in the end (delta: -161.4 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 35076.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -2.7 MB). Peak memory consumption was 52.3 MB. Max. memory is 11.5 GB. * Witness Printer took 88.81 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: 7.2 MB). Peak memory consumption was 7.2 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[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-10-27 00:20:12,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,983 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,984 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,985 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,997 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-10-27 00:20:12,999 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,999 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,999 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:12,999 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: ((((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32) == ix)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(__ieee754_asinf_~hx~1, 2147483647bv32), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30)))) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 120]: Loop Invariant [2018-10-27 00:20:13,000 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,000 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,000 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,000 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,000 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,001 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,001 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-27 00:20:13,001 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0))) - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 82 locations, 1 error locations. SAFE Result, 35.0s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 25.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 675 SDtfs, 419 SDslu, 2800 SDs, 0 SdLazy, 395 SolverSat, 56 SolverUnsat, 8 SolverUnknown, 0 SolverNotchecked, 22.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 8 MinimizatonAttempts, 12 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 287 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48415 SizeOfPredicates, 54 NumberOfNonLiveVariables, 1175 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...