./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4df82ea580918989808f581f8b270f0b85e6120 ..................................................................................................................................................................................................................................................................................................................... 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_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f4df82ea580918989808f581f8b270f0b85e6120 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:46:09,350 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:46:09,351 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:46:09,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:46:09,357 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:46:09,358 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:46:09,359 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:46:09,359 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:46:09,360 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:46:09,361 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:46:09,362 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:46:09,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:46:09,363 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:46:09,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:46:09,364 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:46:09,365 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:46:09,366 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:46:09,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:46:09,368 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:46:09,370 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:46:09,371 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:46:09,372 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:46:09,374 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:46:09,374 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:46:09,374 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:46:09,375 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:46:09,376 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:46:09,376 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:46:09,378 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:46:09,379 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:46:09,379 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:46:09,379 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:46:09,380 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:46:09,380 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:46:09,380 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:46:09,382 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:46:09,382 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 09:46:09,392 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:46:09,392 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:46:09,393 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:46:09,393 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 09:46:09,393 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:46:09,393 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:46:09,393 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:46:09,394 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:46:09,394 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:46:09,394 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:46:09,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:46:09,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:46:09,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:46:09,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:46:09,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:46:09,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:46:09,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:46:09,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:46:09,397 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_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer 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 -> Automizer 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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-11-18 09:46:09,420 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:46:09,429 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:46:09,432 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:46:09,433 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:46:09,433 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:46:09,434 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-18 09:46:09,484 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/3504114e3/bea80974583f4f3d9decb93a3ef541fe/FLAG90f0d904d [2018-11-18 09:46:09,881 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:46:09,881 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-18 09:46:09,888 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/3504114e3/bea80974583f4f3d9decb93a3ef541fe/FLAG90f0d904d [2018-11-18 09:46:09,900 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/3504114e3/bea80974583f4f3d9decb93a3ef541fe [2018-11-18 09:46:09,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:46:09,904 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:46:09,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:46:09,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:46:09,909 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:46:09,909 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:46:09" (1/1) ... [2018-11-18 09:46:09,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@469b36ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:09, skipping insertion in model container [2018-11-18 09:46:09,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:46:09" (1/1) ... [2018-11-18 09:46:09,920 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:46:09,947 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:46:10,110 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:46:10,118 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:46:10,158 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:46:10,176 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:46:10,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10 WrapperNode [2018-11-18 09:46:10,176 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:46:10,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:46:10,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:46:10,177 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:46:10,253 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,262 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,281 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,283 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... [2018-11-18 09:46:10,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:46:10,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:46:10,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:46:10,287 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:46:10,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/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 [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-18 09:46:10,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:46:10,332 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:46:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:46:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 09:46:10,333 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 09:46:10,790 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:46:10,791 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:46:10 BoogieIcfgContainer [2018-11-18 09:46:10,791 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:46:10,791 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:46:10,791 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:46:10,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:46:10,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:46:09" (1/3) ... [2018-11-18 09:46:10,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c8ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:46:10, skipping insertion in model container [2018-11-18 09:46:10,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:10" (2/3) ... [2018-11-18 09:46:10,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c4c8ebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:46:10, skipping insertion in model container [2018-11-18 09:46:10,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:46:10" (3/3) ... [2018-11-18 09:46:10,797 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-11-18 09:46:10,805 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:46:10,811 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:46:10,824 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:46:10,848 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:46:10,849 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:46:10,849 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:46:10,849 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:46:10,849 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:46:10,849 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:46:10,850 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:46:10,850 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:46:10,850 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:46:10,865 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states. [2018-11-18 09:46:10,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:46:10,870 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:10,871 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] [2018-11-18 09:46:10,873 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:10,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:10,877 INFO L82 PathProgramCache]: Analyzing trace with hash 136997638, now seen corresponding path program 1 times [2018-11-18 09:46:10,878 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:46:10,879 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:46:10,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:10,910 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:10,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:46:10,993 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:46:10,993 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:46:10,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:46:11,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:46:11,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:46:11,011 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 2 states. [2018-11-18 09:46:11,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:11,034 INFO L93 Difference]: Finished difference Result 148 states and 218 transitions. [2018-11-18 09:46:11,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:46:11,035 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 09:46:11,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:11,041 INFO L225 Difference]: With dead ends: 148 [2018-11-18 09:46:11,042 INFO L226 Difference]: Without dead ends: 74 [2018-11-18 09:46:11,044 INFO L604 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 [2018-11-18 09:46:11,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-11-18 09:46:11,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-11-18 09:46:11,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-11-18 09:46:11,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 91 transitions. [2018-11-18 09:46:11,072 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 91 transitions. Word has length 21 [2018-11-18 09:46:11,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:11,072 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 91 transitions. [2018-11-18 09:46:11,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:46:11,072 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2018-11-18 09:46:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:46:11,073 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:11,073 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] [2018-11-18 09:46:11,073 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:11,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:11,073 INFO L82 PathProgramCache]: Analyzing trace with hash 762446760, now seen corresponding path program 1 times [2018-11-18 09:46:11,074 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 09:46:11,074 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 09:46:11,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:11,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:11,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 09:46:11,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:46:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 09:46:11,144 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 09:46:11,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:46:11 BoogieIcfgContainer [2018-11-18 09:46:11,173 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:46:11,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:46:11,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:46:11,174 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:46:11,174 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:46:10" (3/4) ... [2018-11-18 09:46:11,178 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 09:46:11,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:46:11,178 INFO L168 Benchmark]: Toolchain (without parser) took 1274.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -107.4 MB). Peak memory consumption was 34.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:11,180 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:46:11,180 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:11,181 INFO L168 Benchmark]: Boogie Preprocessor took 109.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:11,181 INFO L168 Benchmark]: RCFGBuilder took 504.01 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:11,182 INFO L168 Benchmark]: TraceAbstraction took 382.22 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:11,182 INFO L168 Benchmark]: Witness Printer took 3.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:11,184 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.45 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 944.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 944.2 MB in the beginning and 1.1 GB in the end (delta: -195.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 504.01 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: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 382.22 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 188]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 102, overapproximation of bitwiseAnd at line 116, overapproximation of someUnaryFLOAToperation at line 100, overapproximation of someBinaryArithmeticFLOAToperation at line 119. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L98-L106] 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)=6442450966, \old(one_asin)=6442450953, \old(one_sqrt)=6442450950, \old(pio2_hi_asin)=6442450952, \old(pio2_lo_asin)=6442450961, \old(pio4_hi_asin)=6442450954, \old(pS0_asin)=6442450960, \old(pS1_asin)=6442450955, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450959, \old(pS4_asin)=6442450964, \old(pS5_asin)=6442450957, \old(qS1_asin)=6442450967, \old(qS2_asin)=6442450965, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450962, \old(tiny_sqrt)=6442450963, 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] [L183] float x = 0.0f / 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] [L184] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=6442450956, 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] [L109] float t, w, p, q, c, r, s; [L110] __int32_t hx, ix; VAL [\old(x)=6442450956, 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=6442450956] [L112] FCALL ieee_float_shape_type gf_u; [L113] FCALL gf_u.value = (x) [L114] EXPR, FCALL gf_u.word [L114] (hx) = gf_u.word [L115] COND FALSE !(0) VAL [\old(x)=6442450956, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450956] [L116] ix = hx & 0x7fffffff VAL [\old(x)=6442450956, huge_asin=1000000000000000000000000000000, hx=-2147483648, 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=6442450956] [L117] COND TRUE ix == 0x3f800000 [L119] RET return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=6442450956, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, 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=6442450956] [L184] EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450948, 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=6442450956] [L184] float res = __ieee754_asinf(x); [L187] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, 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] [L13] RET return x != x; VAL [\old(x)=6442450948, \result=0, 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=6442450948] [L187] EXPR isnan_float(res) VAL [huge_asin=1000000000000000000000000000000, isnan_float(res)=0, 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=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] [L187] COND TRUE !isnan_float(res) [L188] __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=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450956] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 78 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 95 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=78occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s 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, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 0.1.23-5842f4b [2018-11-18 09:46:12,898 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:46:12,903 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:46:12,912 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:46:12,912 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:46:12,912 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:46:12,914 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:46:12,915 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:46:12,916 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:46:12,917 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:46:12,918 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:46:12,918 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:46:12,919 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:46:12,920 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:46:12,920 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:46:12,922 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:46:12,922 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:46:12,923 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:46:12,924 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:46:12,926 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:46:12,927 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:46:12,928 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:46:12,930 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:46:12,930 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:46:12,930 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:46:12,931 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:46:12,932 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:46:12,932 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:46:12,934 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:46:12,934 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:46:12,935 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:46:12,935 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:46:12,935 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:46:12,935 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:46:12,936 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:46:12,937 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:46:12,937 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 09:46:12,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:46:12,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:46:12,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:46:12,956 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:46:12,956 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:46:12,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:46:12,957 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 09:46:12,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 09:46:12,958 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:46:12,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:46:12,959 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 09:46:12,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 09:46:12,960 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 09:46:12,963 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_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer 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 -> Automizer 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 -> f4df82ea580918989808f581f8b270f0b85e6120 [2018-11-18 09:46:13,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:46:13,017 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:46:13,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:46:13,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:46:13,022 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:46:13,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-18 09:46:13,079 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/7c50e26bf/e20e8ee58b3145b5b00a26c132bbfa0f/FLAGf3e2aa6a8 [2018-11-18 09:46:13,450 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:46:13,450 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/sv-benchmarks/c/float-newlib/float_req_bl_0260_true-unreach-call.c [2018-11-18 09:46:13,455 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/7c50e26bf/e20e8ee58b3145b5b00a26c132bbfa0f/FLAGf3e2aa6a8 [2018-11-18 09:46:13,464 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/data/7c50e26bf/e20e8ee58b3145b5b00a26c132bbfa0f [2018-11-18 09:46:13,466 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:46:13,467 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 09:46:13,468 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:46:13,468 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:46:13,472 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:46:13,472 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,475 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ceaeaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13, skipping insertion in model container [2018-11-18 09:46:13,475 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:46:13,507 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:46:13,691 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:46:13,696 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:46:13,743 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:46:13,774 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:46:13,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13 WrapperNode [2018-11-18 09:46:13,775 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:46:13,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:46:13,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:46:13,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:46:13,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... [2018-11-18 09:46:13,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:46:13,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:46:13,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:46:13,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:46:13,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/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 [2018-11-18 09:46:13,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 09:46:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:46:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 09:46:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 09:46:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-11-18 09:46:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-11-18 09:46:13,910 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 09:46:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 09:46:13,910 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_float [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 09:46:13,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 09:46:13,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 09:46:23,629 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:46:23,676 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 09:46:24,460 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:46:24,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:46:24 BoogieIcfgContainer [2018-11-18 09:46:24,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:46:24,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 09:46:24,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 09:46:24,463 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 09:46:24,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 09:46:13" (1/3) ... [2018-11-18 09:46:24,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88047ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:46:24, skipping insertion in model container [2018-11-18 09:46:24,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:46:13" (2/3) ... [2018-11-18 09:46:24,464 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@88047ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 09:46:24, skipping insertion in model container [2018-11-18 09:46:24,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:46:24" (3/3) ... [2018-11-18 09:46:24,466 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0260_true-unreach-call.c [2018-11-18 09:46:24,472 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 09:46:24,478 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 09:46:24,490 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 09:46:24,513 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 09:46:24,514 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 09:46:24,514 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 09:46:24,514 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 09:46:24,514 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 09:46:24,514 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 09:46:24,515 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 09:46:24,515 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 09:46:24,515 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 09:46:24,528 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states. [2018-11-18 09:46:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 09:46:24,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:24,534 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] [2018-11-18 09:46:24,535 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:24,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:24,540 INFO L82 PathProgramCache]: Analyzing trace with hash -600192542, now seen corresponding path program 1 times [2018-11-18 09:46:24,543 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:46:24,544 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/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 [2018-11-18 09:46:24,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:24,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:24,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:46:24,841 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:46:24,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:46:24,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 09:46:24,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 09:46:24,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 09:46:24,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:46:24,864 INFO L87 Difference]: Start difference. First operand 77 states. Second operand 2 states. [2018-11-18 09:46:24,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:24,886 INFO L93 Difference]: Finished difference Result 146 states and 216 transitions. [2018-11-18 09:46:24,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 09:46:24,888 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 09:46:24,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:24,896 INFO L225 Difference]: With dead ends: 146 [2018-11-18 09:46:24,897 INFO L226 Difference]: Without dead ends: 73 [2018-11-18 09:46:24,900 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 09:46:24,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-11-18 09:46:24,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-11-18 09:46:24,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 09:46:24,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 90 transitions. [2018-11-18 09:46:24,932 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 90 transitions. Word has length 20 [2018-11-18 09:46:24,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:24,932 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 90 transitions. [2018-11-18 09:46:24,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 09:46:24,933 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2018-11-18 09:46:24,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:46:24,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:24,933 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] [2018-11-18 09:46:24,934 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:24,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:24,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1346966301, now seen corresponding path program 1 times [2018-11-18 09:46:24,934 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:46:24,934 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-18 09:46:24,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:25,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:25,140 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:46:25,260 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:46:25,269 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:46:25,269 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:46:25,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:46:25,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:46:25,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:46:25,271 INFO L87 Difference]: Start difference. First operand 73 states and 90 transitions. Second operand 7 states. [2018-11-18 09:46:32,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:32,249 INFO L93 Difference]: Finished difference Result 86 states and 103 transitions. [2018-11-18 09:46:32,250 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 09:46:32,250 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-11-18 09:46:32,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:32,252 INFO L225 Difference]: With dead ends: 86 [2018-11-18 09:46:32,252 INFO L226 Difference]: Without dead ends: 76 [2018-11-18 09:46:32,253 INFO L604 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 [2018-11-18 09:46:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-11-18 09:46:32,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 73. [2018-11-18 09:46:32,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 09:46:32,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 89 transitions. [2018-11-18 09:46:32,262 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 89 transitions. Word has length 21 [2018-11-18 09:46:32,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:32,262 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 89 transitions. [2018-11-18 09:46:32,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:46:32,263 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 89 transitions. [2018-11-18 09:46:32,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 09:46:32,263 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:32,264 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] [2018-11-18 09:46:32,264 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:32,264 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:32,264 INFO L82 PathProgramCache]: Analyzing trace with hash 622695684, now seen corresponding path program 1 times [2018-11-18 09:46:32,264 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:46:32,264 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/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 [2018-11-18 09:46:32,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:32,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:32,488 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:34,852 WARN L180 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 09:46:37,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:46:37,421 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:46:37,430 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:46:37,430 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 09:46:37,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 09:46:37,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 09:46:37,431 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 09:46:37,431 INFO L87 Difference]: Start difference. First operand 73 states and 89 transitions. Second operand 9 states. [2018-11-18 09:46:41,065 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 9 [2018-11-18 09:46:47,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:47,567 INFO L93 Difference]: Finished difference Result 82 states and 98 transitions. [2018-11-18 09:46:47,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 09:46:47,568 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-18 09:46:47,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:47,569 INFO L225 Difference]: With dead ends: 82 [2018-11-18 09:46:47,570 INFO L226 Difference]: Without dead ends: 75 [2018-11-18 09:46:47,570 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 09:46:47,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-11-18 09:46:47,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 73. [2018-11-18 09:46:47,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-11-18 09:46:47,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2018-11-18 09:46:47,579 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 22 [2018-11-18 09:46:47,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:47,579 INFO L480 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2018-11-18 09:46:47,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 09:46:47,579 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2018-11-18 09:46:47,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-18 09:46:47,580 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:47,580 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] [2018-11-18 09:46:47,580 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:47,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:47,580 INFO L82 PathProgramCache]: Analyzing trace with hash 50187002, now seen corresponding path program 1 times [2018-11-18 09:46:47,581 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:46:47,581 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/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 [2018-11-18 09:46:47,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:48,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:48,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:48,715 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:46:48,715 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:46:48,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:46:48,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:46:48,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:46:48,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:46:48,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:46:48,739 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand 7 states. [2018-11-18 09:46:53,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:53,770 INFO L93 Difference]: Finished difference Result 86 states and 101 transitions. [2018-11-18 09:46:53,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:46:53,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-18 09:46:53,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:53,774 INFO L225 Difference]: With dead ends: 86 [2018-11-18 09:46:53,775 INFO L226 Difference]: Without dead ends: 68 [2018-11-18 09:46:53,775 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:46:53,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-11-18 09:46:53,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-11-18 09:46:53,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-11-18 09:46:53,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 80 transitions. [2018-11-18 09:46:53,784 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 80 transitions. Word has length 24 [2018-11-18 09:46:53,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:53,784 INFO L480 AbstractCegarLoop]: Abstraction has 68 states and 80 transitions. [2018-11-18 09:46:53,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:46:53,784 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2018-11-18 09:46:53,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 09:46:53,786 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 09:46:53,786 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, 1] [2018-11-18 09:46:53,786 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 09:46:53,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:46:53,787 INFO L82 PathProgramCache]: Analyzing trace with hash 836264115, now seen corresponding path program 1 times [2018-11-18 09:46:53,787 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 09:46:53,787 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/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 [2018-11-18 09:46:53,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 09:46:54,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:46:54,975 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 09:46:55,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:46:55,064 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 09:46:55,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 09:46:55,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 09:46:55,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 09:46:55,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 09:46:55,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 09:46:55,083 INFO L87 Difference]: Start difference. First operand 68 states and 80 transitions. Second operand 7 states. [2018-11-18 09:46:57,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 09:46:57,608 INFO L93 Difference]: Finished difference Result 68 states and 80 transitions. [2018-11-18 09:46:57,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 09:46:57,609 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2018-11-18 09:46:57,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 09:46:57,610 INFO L225 Difference]: With dead ends: 68 [2018-11-18 09:46:57,610 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 09:46:57,610 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-18 09:46:57,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 09:46:57,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 09:46:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 09:46:57,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 09:46:57,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2018-11-18 09:46:57,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 09:46:57,611 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 09:46:57,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 09:46:57,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 09:46:57,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:46:57,614 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 09:46:57,841 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-18 09:46:57,842 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-18 09:46:57,842 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-18 09:46:57,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:46:57,842 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:46:57,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:46:57,842 INFO L425 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 83 96) no Hoare annotation was computed. [2018-11-18 09:46:57,842 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 09:46:57,843 INFO L428 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: true [2018-11-18 09:46:57,843 INFO L425 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 83 96) no Hoare annotation was computed. [2018-11-18 09:46:57,843 INFO L425 ceAbstractionStarter]: For program point L90(lines 90 94) no Hoare annotation was computed. [2018-11-18 09:46:57,843 INFO L425 ceAbstractionStarter]: For program point L90-2(lines 83 96) no Hoare annotation was computed. [2018-11-18 09:46:57,843 INFO L425 ceAbstractionStarter]: For program point L90-3(lines 90 94) no Hoare annotation was computed. [2018-11-18 09:46:57,843 INFO L428 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 83 96) the Hoare annotation is: true [2018-11-18 09:46:57,843 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 09:46:57,844 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 09:46:57,844 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 09:46:57,844 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 09:46:57,844 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 176 193) the Hoare annotation is: true [2018-11-18 09:46:57,844 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 176 193) no Hoare annotation was computed. [2018-11-18 09:46:57,844 INFO L425 ceAbstractionStarter]: For program point L188(line 188) no Hoare annotation was computed. [2018-11-18 09:46:57,844 INFO L421 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (let ((.cse0 (fp.sub roundNearestTiesToEven .cse1 .cse1))) (fp.div roundNearestTiesToEven .cse0 .cse0))) (= main_~x~0 .cse1))) [2018-11-18 09:46:57,844 INFO L425 ceAbstractionStarter]: For program point L187-1(lines 187 190) no Hoare annotation was computed. [2018-11-18 09:46:57,845 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 176 193) no Hoare annotation was computed. [2018-11-18 09:46:57,845 INFO L421 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-18 09:46:57,845 INFO L425 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-11-18 09:46:57,845 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2018-11-18 09:46:57,845 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 163) no Hoare annotation was computed. [2018-11-18 09:46:57,845 INFO L425 ceAbstractionStarter]: For program point L159-2(lines 151 169) no Hoare annotation was computed. [2018-11-18 09:46:57,845 INFO L425 ceAbstractionStarter]: For program point L159-3(lines 159 163) no Hoare annotation was computed. [2018-11-18 09:46:57,846 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 137) no Hoare annotation was computed. [2018-11-18 09:46:57,846 INFO L421 ceAbstractionStarter]: At program point L122-1(lines 122 137) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (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 (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 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|))) (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 (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-11-18 09:46:57,846 INFO L421 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (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 (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 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|))) (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 (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-11-18 09:46:57,846 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-11-18 09:46:57,846 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 09:46:57,846 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 169) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point L148-2(lines 108 174) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 115) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L421 ceAbstractionStarter]: At program point L111-3(lines 111 115) the Hoare annotation is: (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point L111-4(lines 111 115) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point L120(lines 120 137) no Hoare annotation was computed. [2018-11-18 09:46:57,847 INFO L428 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 108 174) the Hoare annotation is: true [2018-11-18 09:46:57,847 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 108 174) no Hoare annotation was computed. [2018-11-18 09:46:57,848 INFO L425 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 108 174) no Hoare annotation was computed. [2018-11-18 09:46:57,848 INFO L425 ceAbstractionStarter]: For program point L154-1(lines 154 158) no Hoare annotation was computed. [2018-11-18 09:46:57,848 INFO L421 ceAbstractionStarter]: At program point L154-3(lines 154 158) the Hoare annotation is: (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (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 (bvsgt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1065353216 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|))) (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 (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) [2018-11-18 09:46:57,848 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 137) no Hoare annotation was computed. [2018-11-18 09:46:57,848 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-11-18 09:46:57,848 INFO L425 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-11-18 09:46:57,848 INFO L425 ceAbstractionStarter]: For program point L53-1(lines 53 62) no Hoare annotation was computed. [2018-11-18 09:46:57,849 INFO L428 ceAbstractionStarter]: At program point L53-3(lines 53 62) the Hoare annotation is: true [2018-11-18 09:46:57,849 INFO L425 ceAbstractionStarter]: For program point L53-4(lines 17 82) no Hoare annotation was computed. [2018-11-18 09:46:57,849 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-11-18 09:46:57,849 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-11-18 09:46:57,849 INFO L425 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-11-18 09:46:57,849 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-11-18 09:46:57,849 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-11-18 09:46:57,850 INFO L428 ceAbstractionStarter]: At program point L22-3(lines 22 26) the Hoare annotation is: true [2018-11-18 09:46:57,850 INFO L425 ceAbstractionStarter]: For program point L22-4(lines 22 26) no Hoare annotation was computed. [2018-11-18 09:46:57,851 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-11-18 09:46:57,851 INFO L428 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: true [2018-11-18 09:46:57,851 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-11-18 09:46:57,851 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 39 40) no Hoare annotation was computed. [2018-11-18 09:46:57,851 INFO L425 ceAbstractionStarter]: For program point L39-3(lines 39 40) no Hoare annotation was computed. [2018-11-18 09:46:57,851 INFO L425 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-11-18 09:46:57,851 INFO L428 ceAbstractionStarter]: At program point L39-4(lines 39 40) the Hoare annotation is: true [2018-11-18 09:46:57,851 INFO L425 ceAbstractionStarter]: For program point L39-5(lines 39 40) no Hoare annotation was computed. [2018-11-18 09:46:57,857 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,861 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,862 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,867 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,868 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,872 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 09:46:57 BoogieIcfgContainer [2018-11-18 09:46:57,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 09:46:57,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:46:57,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:46:57,873 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:46:57,873 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:46:24" (3/4) ... [2018-11-18 09:46:57,876 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:46:57,882 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 09:46:57,882 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 09:46:57,882 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-11-18 09:46:57,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 09:46:57,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-11-18 09:46:57,883 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-11-18 09:46:57,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-18 09:46:57,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-18 09:46:57,888 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-18 09:46:57,889 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:46:57,911 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 09:46:57,912 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(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(2147483647bv32, __ieee754_asinf_~hx~1) == ix) [2018-11-18 09:46:57,945 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e251fd41-0d74-43be-9e13-49456ae620e6/bin-2019/uautomizer/witness.graphml [2018-11-18 09:46:57,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:46:57,946 INFO L168 Benchmark]: Toolchain (without parser) took 44478.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 950.8 MB in the beginning and 822.5 MB in the end (delta: 128.4 MB). Peak memory consumption was 224.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:57,946 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 09:46:57,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.08 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 929.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:57,947 INFO L168 Benchmark]: Boogie Preprocessor took 90.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:57,947 INFO L168 Benchmark]: RCFGBuilder took 10594.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:57,947 INFO L168 Benchmark]: TraceAbstraction took 33411.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 829.4 MB in the end (delta: 207.0 MB). Peak memory consumption was 207.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:57,948 INFO L168 Benchmark]: Witness Printer took 72.56 ms. Allocated memory is still 1.1 GB. Free memory was 829.4 MB in the beginning and 822.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:46:57,951 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.08 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 929.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.25 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.9 MB). Free memory was 929.3 MB in the beginning and 1.1 GB in the end (delta: -153.6 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 10594.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33411.06 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 829.4 MB in the end (delta: 207.0 MB). Peak memory consumption was 207.0 MB. Max. memory is 11.5 GB. * Witness Printer took 72.56 ms. Allocated memory is still 1.1 GB. Free memory was 829.4 MB in the beginning and 822.5 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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 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] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 188]: 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: 76]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,954 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,956 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-11-18 09:46:57,956 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: ((\old(x) == x && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: !~bvsgt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 1065353216bv32) && ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(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(2147483647bv32, __ieee754_asinf_~hx~1) == ix) - InvariantResult [Line: 111]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 77 locations, 1 error locations. SAFE Result, 33.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 24.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 390 SDtfs, 198 SDslu, 1473 SDs, 0 SdLazy, 186 SolverSat, 23 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 139 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 8.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 30 PreInvPairs, 40 NumberOfFragments, 191 HoareAnnotationTreeSize, 30 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 19 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 20 QuantifiedInterpolants, 18681 SizeOfPredicates, 16 NumberOfNonLiveVariables, 579 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...