./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b_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_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 f9996153423fecedcbbebbb98f8557ca25433f0f ............................................................................................................................................................................................................................................................................................................................. 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_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0920b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 f9996153423fecedcbbebbb98f8557ca25433f0f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 13:41:12,515 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:41:12,516 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:41:12,523 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:41:12,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:41:12,524 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:41:12,525 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:41:12,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:41:12,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:41:12,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:41:12,529 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:41:12,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:41:12,530 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:41:12,531 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:41:12,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:41:12,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:41:12,534 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:41:12,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:41:12,536 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:41:12,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:41:12,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:41:12,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:41:12,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:41:12,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:41:12,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:41:12,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:41:12,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:41:12,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:41:12,544 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:41:12,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:41:12,545 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:41:12,545 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:41:12,545 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:41:12,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:41:12,546 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:41:12,546 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:41:12,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-18 13:41:12,557 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:41:12,557 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:41:12,558 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:41:12,558 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:41:12,559 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:41:12,559 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:41:12,559 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:41:12,560 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:41:12,560 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:41:12,561 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:41:12,561 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:41:12,562 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:41:12,562 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:41:12,562 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:41:12,562 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 13:41:12,562 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:41:12,562 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:41:12,563 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_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 -> f9996153423fecedcbbebbb98f8557ca25433f0f [2018-11-18 13:41:12,591 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:41:12,601 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:41:12,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:41:12,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:41:12,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:41:12,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-11-18 13:41:12,661 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/27c8b82d9/35957499e5f64ba0a4fe5823260bf2ab/FLAG9d2e8e33d [2018-11-18 13:41:13,031 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:41:13,032 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/sv-benchmarks/c/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-11-18 13:41:13,037 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/27c8b82d9/35957499e5f64ba0a4fe5823260bf2ab/FLAG9d2e8e33d [2018-11-18 13:41:13,050 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/27c8b82d9/35957499e5f64ba0a4fe5823260bf2ab [2018-11-18 13:41:13,053 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:41:13,054 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:41:13,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:41:13,055 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:41:13,059 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:41:13,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@197fb776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13, skipping insertion in model container [2018-11-18 13:41:13,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:41:13,100 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:41:13,273 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:41:13,276 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:41:13,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:41:13,326 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:41:13,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13 WrapperNode [2018-11-18 13:41:13,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:41:13,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:41:13,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:41:13,327 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:41:13,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,394 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,409 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,415 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... [2018-11-18 13:41:13,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:41:13,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:41:13,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:41:13,422 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:41:13,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:41:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:41:13,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:41:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 13:41:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 13:41:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 13:41:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 13:41:13,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:41:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:41:13,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 13:41:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 13:41:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:41:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 13:41:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 13:41:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:41:13,466 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:41:13,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:41:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 13:41:13,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2018-11-18 13:41:13,760 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:41:13,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:13 BoogieIcfgContainer [2018-11-18 13:41:13,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:41:13,761 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:41:13,761 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:41:13,763 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:41:13,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:41:13" (1/3) ... [2018-11-18 13:41:13,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66478c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:13, skipping insertion in model container [2018-11-18 13:41:13,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:13" (2/3) ... [2018-11-18 13:41:13,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66478c95 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:13, skipping insertion in model container [2018-11-18 13:41:13,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:13" (3/3) ... [2018-11-18 13:41:13,766 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b_true-unreach-call.c [2018-11-18 13:41:13,773 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:41:13,779 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:41:13,793 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:41:13,824 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:41:13,825 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:41:13,825 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:41:13,825 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:41:13,825 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:41:13,826 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:41:13,826 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:41:13,826 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:41:13,826 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:41:13,840 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-11-18 13:41:13,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:41:13,846 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:41:13,847 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 13:41:13,849 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:41:13,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:13,855 INFO L82 PathProgramCache]: Analyzing trace with hash 477042555, now seen corresponding path program 1 times [2018-11-18 13:41:13,857 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:13,857 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:13,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:13,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:13,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:41:13,984 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 13:41:13,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:41:13,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:41:13,991 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:41:14,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:41:14,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:41:14,003 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-11-18 13:41:14,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:41:14,021 INFO L93 Difference]: Finished difference Result 76 states and 110 transitions. [2018-11-18 13:41:14,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:41:14,023 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-18 13:41:14,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:41:14,031 INFO L225 Difference]: With dead ends: 76 [2018-11-18 13:41:14,031 INFO L226 Difference]: Without dead ends: 38 [2018-11-18 13:41:14,034 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 13:41:14,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-11-18 13:41:14,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-11-18 13:41:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-11-18 13:41:14,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 48 transitions. [2018-11-18 13:41:14,066 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 48 transitions. Word has length 22 [2018-11-18 13:41:14,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:41:14,067 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 48 transitions. [2018-11-18 13:41:14,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:41:14,067 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2018-11-18 13:41:14,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:41:14,068 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:41:14,068 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] [2018-11-18 13:41:14,069 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:41:14,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:14,069 INFO L82 PathProgramCache]: Analyzing trace with hash -519780811, now seen corresponding path program 1 times [2018-11-18 13:41:14,069 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 13:41:14,069 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 13:41:14,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:14,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:14,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:41:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:14,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 13:41:14,152 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 13:41:14,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:41:14 BoogieIcfgContainer [2018-11-18 13:41:14,188 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:41:14,188 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:41:14,188 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:41:14,188 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:41:14,189 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:13" (3/4) ... [2018-11-18 13:41:14,192 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 13:41:14,193 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:41:14,193 INFO L168 Benchmark]: Toolchain (without parser) took 1139.67 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:14,194 INFO L168 Benchmark]: CDTParser took 0.17 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 13:41:14,195 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:14,196 INFO L168 Benchmark]: Boogie Preprocessor took 94.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:14,196 INFO L168 Benchmark]: RCFGBuilder took 339.41 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:14,197 INFO L168 Benchmark]: TraceAbstraction took 426.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:41:14,198 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:41:14,201 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.32 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 943.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 94.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 943.1 MB in the beginning and 1.1 GB in the end (delta: -189.0 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 339.41 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: 28.8 MB). Peak memory consumption was 28.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 426.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 4.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 151]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 137, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticDOUBLEoperation at line 60. Possible FailurePath: [L32-L41] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L43] static const double zero = 0.0; VAL [\old(Lg1_log)=6442450960, \old(Lg2_log)=6442450964, \old(Lg3_log)=6442450947, \old(Lg4_log)=6442450950, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450957, \old(Lg7_log)=6442450956, \old(ln2_hi_log)=6442450949, \old(ln2_lo_log)=6442450953, \old(two54_log)=6442450958, \old(zero)=6442450961, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L146] double x = -1.0 / 0.0; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L147] CALL, EXPR __ieee754_log(x) VAL [\old(x)=6442450962, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L46] double hfsq, f, s, z, R, w, t1, t2, dk; [L47] __int32_t k, hx, i, j; [L48] __uint32_t lx; VAL [\old(x)=6442450962, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450962, zero=0] [L51] FCALL ieee_double_shape_type ew_u; [L52] FCALL ew_u.value = (x) [L53] EXPR, FCALL ew_u.parts.msw [L53] (hx) = ew_u.parts.msw [L54] EXPR, FCALL ew_u.parts.lsw [L54] (lx) = ew_u.parts.lsw [L55] COND FALSE !(0) VAL [\old(x)=6442450962, hx=-2147483646, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483667, two54_log=18014398509481984, x=6442450962, zero=0] [L57] k = 0 VAL [\old(x)=6442450962, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483667, two54_log=18014398509481984, x=6442450962, zero=0] [L58] COND TRUE hx < 0x00100000 VAL [\old(x)=6442450962, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483667, two54_log=18014398509481984, x=6442450962, zero=0] [L59] COND TRUE ((hx & 0x7fffffff) | lx) == 0 [L60] RET return -two54_log / zero; VAL [\old(x)=6442450962, hx=-2147483646, k=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, lx=2147483667, two54_log=18014398509481984, x=6442450962, zero=0] [L147] EXPR __ieee754_log(x) VAL [__ieee754_log(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450962, zero=0] [L147] double res = __ieee754_log(x); [L150] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L137] RET return x != x; VAL [\old(x)=6442450951, \result=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, x=6442450951, zero=0] [L150] EXPR isnan_double(res) VAL [isnan_double(res)=0, Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450962, zero=0] [L150] COND TRUE !isnan_double(res) [L151] __VERIFIER_error() VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, res=6442450951, two54_log=18014398509481984, x=6442450962, zero=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 54 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 52 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=42occurred 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, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 13:41:15,936 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:41:15,938 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:41:15,947 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:41:15,947 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:41:15,948 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:41:15,949 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:41:15,950 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:41:15,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:41:15,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:41:15,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:41:15,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:41:15,954 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:41:15,955 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:41:15,956 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:41:15,957 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:41:15,957 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:41:15,959 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:41:15,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:41:15,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:41:15,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:41:15,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:41:15,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:41:15,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:41:15,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:41:15,967 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:41:15,968 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:41:15,969 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:41:15,970 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:41:15,970 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:41:15,971 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:41:15,971 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:41:15,971 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:41:15,972 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:41:15,973 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:41:15,973 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:41:15,973 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2018-11-18 13:41:15,986 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:41:15,986 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:41:15,987 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:41:15,987 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:41:15,988 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:41:15,988 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:41:15,988 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 13:41:15,988 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:41:15,989 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 13:41:15,990 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 13:41:15,990 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:41:15,990 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:41:15,990 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:41:15,990 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:41:15,990 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:41:15,991 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:41:15,991 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:41:15,991 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:41:15,991 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:41:15,991 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:41:15,991 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:41:15,992 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:41:15,992 INFO L133 SettingsManager]: * Trace refinement strategy=WOLF [2018-11-18 13:41:15,992 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:41:15,992 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 13:41:15,992 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 13:41:15,992 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_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 -> f9996153423fecedcbbebbb98f8557ca25433f0f [2018-11-18 13:41:16,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:41:16,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:41:16,038 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:41:16,040 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:41:16,040 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:41:16,040 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-11-18 13:41:16,084 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/142ceae9c/f517994076e24901b7ddce9575ce3970/FLAG02f5afdf7 [2018-11-18 13:41:16,445 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:41:16,445 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/sv-benchmarks/c/float-newlib/double_req_bl_0920b_true-unreach-call.c [2018-11-18 13:41:16,451 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/142ceae9c/f517994076e24901b7ddce9575ce3970/FLAG02f5afdf7 [2018-11-18 13:41:16,461 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/data/142ceae9c/f517994076e24901b7ddce9575ce3970 [2018-11-18 13:41:16,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:41:16,465 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 13:41:16,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:41:16,466 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:41:16,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:41:16,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96d9001 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16, skipping insertion in model container [2018-11-18 13:41:16,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:41:16,508 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:41:16,699 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:41:16,703 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:41:16,739 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:41:16,765 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:41:16,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16 WrapperNode [2018-11-18 13:41:16,765 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:41:16,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:41:16,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:41:16,766 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:41:16,775 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,826 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,826 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,843 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,849 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... [2018-11-18 13:41:16,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:41:16,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:41:16,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:41:16,856 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:41:16,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:41:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:41:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:41:16,893 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_double [2018-11-18 13:41:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log [2018-11-18 13:41:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_double [2018-11-18 13:41:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-11-18 13:41:16,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_double [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log [2018-11-18 13:41:16,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 13:41:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-11-18 13:41:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_double [2018-11-18 13:41:16,895 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-11-18 13:41:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:41:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:41:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:41:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2018-11-18 13:41:16,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2018-11-18 13:41:17,032 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:41:17,088 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:41:17,258 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:41:39,664 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:41:39,743 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 13:41:39,780 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:41:39,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:39 BoogieIcfgContainer [2018-11-18 13:41:39,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:41:39,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:41:39,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:41:39,784 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:41:39,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:41:16" (1/3) ... [2018-11-18 13:41:39,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605246e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:39, skipping insertion in model container [2018-11-18 13:41:39,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:41:16" (2/3) ... [2018-11-18 13:41:39,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@605246e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:41:39, skipping insertion in model container [2018-11-18 13:41:39,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:39" (3/3) ... [2018-11-18 13:41:39,787 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920b_true-unreach-call.c [2018-11-18 13:41:39,793 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:41:39,799 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:41:39,810 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:41:39,831 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 13:41:39,831 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:41:39,832 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:41:39,832 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:41:39,832 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:41:39,832 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:41:39,832 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:41:39,832 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:41:39,832 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:41:39,843 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states. [2018-11-18 13:41:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 13:41:39,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:41:39,848 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 13:41:39,850 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:41:39,853 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:39,853 INFO L82 PathProgramCache]: Analyzing trace with hash 331598085, now seen corresponding path program 1 times [2018-11-18 13:41:39,857 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:41:39,858 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:41:39,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:40,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:41:40,699 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:41:40,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:41:40,714 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:41:40,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:41:40,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 13:41:40,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 13:41:40,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 13:41:40,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:41:40,743 INFO L87 Difference]: Start difference. First operand 41 states. Second operand 2 states. [2018-11-18 13:41:40,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:41:40,758 INFO L93 Difference]: Finished difference Result 74 states and 108 transitions. [2018-11-18 13:41:40,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 13:41:40,759 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 13:41:40,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:41:40,766 INFO L225 Difference]: With dead ends: 74 [2018-11-18 13:41:40,766 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 13:41:40,768 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 13:41:40,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 13:41:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 13:41:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:41:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 47 transitions. [2018-11-18 13:41:40,795 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 47 transitions. Word has length 21 [2018-11-18 13:41:40,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:41:40,795 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 47 transitions. [2018-11-18 13:41:40,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 13:41:40,796 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2018-11-18 13:41:40,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:41:40,796 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:41:40,796 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 13:41:40,797 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:41:40,797 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:40,797 INFO L82 PathProgramCache]: Analyzing trace with hash -248640817, now seen corresponding path program 1 times [2018-11-18 13:41:40,797 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:41:40,797 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:41:40,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:41,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:41:41,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:41:41,814 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:41:41,815 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:41:41,820 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 13:41:41,878 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:41:41,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 13:41:41,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:41:41,911 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 13:41:41,920 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 13:41:41,920 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:41:41,924 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:41:41,929 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:41:41,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-11-18 13:41:41,945 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:46, output treesize:18 [2018-11-18 13:41:44,013 WARN L180 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 18 [2018-11-18 13:41:44,083 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 13:41:44,083 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:41:44,100 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:41:44,100 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:41:44,101 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:41:44,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:41:44,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:41:44,102 INFO L87 Difference]: Start difference. First operand 37 states and 47 transitions. Second operand 6 states. [2018-11-18 13:41:46,205 WARN L180 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 13:41:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:41:57,561 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-11-18 13:41:58,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:41:58,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 13:41:58,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:41:58,247 INFO L225 Difference]: With dead ends: 51 [2018-11-18 13:41:58,247 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 13:41:58,248 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:41:58,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 13:41:58,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2018-11-18 13:41:58,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:41:58,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 46 transitions. [2018-11-18 13:41:58,254 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 46 transitions. Word has length 22 [2018-11-18 13:41:58,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:41:58,255 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 46 transitions. [2018-11-18 13:41:58,255 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:41:58,255 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2018-11-18 13:41:58,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 13:41:58,256 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:41:58,256 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 13:41:58,256 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:41:58,256 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:41:58,256 INFO L82 PathProgramCache]: Analyzing trace with hash 949794062, now seen corresponding path program 1 times [2018-11-18 13:41:58,257 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:41:58,257 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:41:58,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:41:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:41:58,416 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:41:58,455 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:41:58,456 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:41:58,457 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 13:41:58,513 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:41:58,524 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 13:41:58,525 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:41:58,545 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 13:41:58,554 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 13:41:58,554 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:41:58,560 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:41:58,564 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:41:58,579 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:41:58,579 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 13:41:58,659 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 13:41:58,659 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:41:58,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:41:58,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:41:58,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:41:58,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:41:58,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:41:58,672 INFO L87 Difference]: Start difference. First operand 37 states and 46 transitions. Second operand 6 states. [2018-11-18 13:42:07,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:42:07,323 INFO L93 Difference]: Finished difference Result 62 states and 78 transitions. [2018-11-18 13:42:08,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:42:08,040 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-11-18 13:42:08,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:42:08,041 INFO L225 Difference]: With dead ends: 62 [2018-11-18 13:42:08,041 INFO L226 Difference]: Without dead ends: 39 [2018-11-18 13:42:08,042 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:42:08,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-18 13:42:08,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-11-18 13:42:08,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:42:08,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 45 transitions. [2018-11-18 13:42:08,047 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 45 transitions. Word has length 22 [2018-11-18 13:42:08,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:42:08,048 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 45 transitions. [2018-11-18 13:42:08,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:42:08,048 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 45 transitions. [2018-11-18 13:42:08,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 13:42:08,049 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:42:08,049 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] [2018-11-18 13:42:08,049 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:42:08,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:42:08,049 INFO L82 PathProgramCache]: Analyzing trace with hash -1562774048, now seen corresponding path program 1 times [2018-11-18 13:42:08,050 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:42:08,050 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:42:08,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:42:08,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:42:08,929 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:42:11,374 WARN L854 $PredicateComparison]: unable to prove that (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_log_#in~x| |c___ieee754_log_#in~x|) c_~zero~0) |c___ieee754_log_#res|) (= (_ +zero 11 53) c_~zero~0)) is different from true [2018-11-18 13:42:11,491 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 13:42:11,491 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:42:11,516 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:42:11,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 13:42:11,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:42:11,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:42:11,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=56, Unknown=1, NotChecked=14, Total=90 [2018-11-18 13:42:11,517 INFO L87 Difference]: Start difference. First operand 37 states and 45 transitions. Second operand 10 states. [2018-11-18 13:42:20,345 WARN L180 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 12 [2018-11-18 13:42:24,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:42:24,764 INFO L93 Difference]: Finished difference Result 46 states and 54 transitions. [2018-11-18 13:42:24,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 13:42:24,765 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 23 [2018-11-18 13:42:24,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:42:24,766 INFO L225 Difference]: With dead ends: 46 [2018-11-18 13:42:24,767 INFO L226 Difference]: Without dead ends: 39 [2018-11-18 13:42:24,767 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=44, Invalid=141, Unknown=1, NotChecked=24, Total=210 [2018-11-18 13:42:24,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-11-18 13:42:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 37. [2018-11-18 13:42:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:42:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2018-11-18 13:42:24,776 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 23 [2018-11-18 13:42:24,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:42:24,776 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2018-11-18 13:42:24,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:42:24,776 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2018-11-18 13:42:24,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 13:42:24,777 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:42:24,777 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] [2018-11-18 13:42:24,777 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:42:24,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:42:24,777 INFO L82 PathProgramCache]: Analyzing trace with hash -838743809, now seen corresponding path program 1 times [2018-11-18 13:42:24,777 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:42:24,778 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/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 13:42:24,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:42:25,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:42:25,116 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:42:27,068 WARN L180 SmtUtils]: Spent 998.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-11-18 13:42:30,882 WARN L180 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 13:42:33,091 WARN L180 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 13:42:33,098 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 13:42:33,098 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:42:33,111 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:42:33,111 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 13:42:33,111 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 13:42:33,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 13:42:33,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:42:33,112 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand 8 states. [2018-11-18 13:42:41,494 WARN L180 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 13:42:44,834 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 25 [2018-11-18 13:42:53,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:42:53,970 INFO L93 Difference]: Finished difference Result 47 states and 53 transitions. [2018-11-18 13:42:53,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 13:42:53,972 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 26 [2018-11-18 13:42:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:42:53,972 INFO L225 Difference]: With dead ends: 47 [2018-11-18 13:42:53,972 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 13:42:53,973 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:42:53,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 13:42:53,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 13:42:53,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:42:53,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2018-11-18 13:42:53,980 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 26 [2018-11-18 13:42:53,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:42:53,980 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2018-11-18 13:42:53,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 13:42:53,981 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2018-11-18 13:42:53,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:42:53,981 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:42:53,981 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] [2018-11-18 13:42:53,982 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:42:53,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:42:53,982 INFO L82 PathProgramCache]: Analyzing trace with hash 823368244, now seen corresponding path program 1 times [2018-11-18 13:42:53,982 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:42:53,982 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-11-18 13:42:53,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:42:54,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:42:54,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:42:58,084 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-18 13:42:59,802 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 24 [2018-11-18 13:43:02,823 WARN L180 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 13:43:05,313 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 30 [2018-11-18 13:43:10,427 WARN L180 SmtUtils]: Spent 3.35 s on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 13:43:10,439 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 13:43:10,439 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:43:10,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:43:10,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 13:43:10,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:43:10,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:43:10,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:43:10,454 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand 11 states. [2018-11-18 13:43:20,943 WARN L180 SmtUtils]: Spent 2.90 s on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 13:43:39,467 WARN L180 SmtUtils]: Spent 5.85 s on a formula simplification that was a NOOP. DAG size: 34 [2018-11-18 13:44:13,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:44:13,377 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2018-11-18 13:44:13,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:44:13,378 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 32 [2018-11-18 13:44:13,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:44:13,379 INFO L225 Difference]: With dead ends: 47 [2018-11-18 13:44:13,379 INFO L226 Difference]: Without dead ends: 37 [2018-11-18 13:44:13,380 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 29.1s TimeCoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:44:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-18 13:44:13,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-18 13:44:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-18 13:44:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 41 transitions. [2018-11-18 13:44:13,384 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 41 transitions. Word has length 32 [2018-11-18 13:44:13,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:44:13,384 INFO L480 AbstractCegarLoop]: Abstraction has 37 states and 41 transitions. [2018-11-18 13:44:13,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:44:13,384 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 41 transitions. [2018-11-18 13:44:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 13:44:13,385 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:44:13,385 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] [2018-11-18 13:44:13,385 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:44:13,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:44:13,386 INFO L82 PathProgramCache]: Analyzing trace with hash 626854739, now seen corresponding path program 1 times [2018-11-18 13:44:13,386 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 13:44:13,386 INFO L69 tionRefinementEngine]: Using refinement strategy WolfRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-11-18 13:44:13,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:44:14,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:44:14,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:44:14,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:44:14,363 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:44:14,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 43 [2018-11-18 13:44:14,395 INFO L682 Elim1Store]: detected equality via solver [2018-11-18 13:44:14,402 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2018-11-18 13:44:14,402 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-11-18 13:44:14,414 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 18 [2018-11-18 13:44:14,419 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 4 [2018-11-18 13:44:14,419 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-11-18 13:44:14,421 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:44:14,423 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-11-18 13:44:14,429 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 13:44:14,429 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:42, output treesize:14 [2018-11-18 13:44:14,479 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 13:44:14,480 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 13:44:14,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:44:14,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:44:14,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:44:14,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:44:14,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:44:14,507 INFO L87 Difference]: Start difference. First operand 37 states and 41 transitions. Second operand 6 states. [2018-11-18 13:44:19,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:44:19,095 INFO L93 Difference]: Finished difference Result 37 states and 41 transitions. [2018-11-18 13:44:19,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:44:19,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2018-11-18 13:44:19,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:44:19,738 INFO L225 Difference]: With dead ends: 37 [2018-11-18 13:44:19,738 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:44:19,738 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:44:19,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:44:19,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:44:19,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:44:19,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:44:19,739 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-11-18 13:44:19,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:44:19,739 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:44:19,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:44:19,739 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:44:19,739 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:44:19,743 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:44:30,363 WARN L180 SmtUtils]: Spent 10.55 s on a formula simplification. DAG size of input: 62 DAG size of output: 48 [2018-11-18 13:44:56,631 WARN L180 SmtUtils]: Spent 26.19 s on a formula simplification. DAG size of input: 65 DAG size of output: 64 [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point L128-3(lines 128 132) no Hoare annotation was computed. [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point L128-4(lines 128 132) no Hoare annotation was computed. [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point isfinite_doubleENTRY(lines 126 134) no Hoare annotation was computed. [2018-11-18 13:44:56,666 INFO L428 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 137) the Hoare annotation is: true [2018-11-18 13:44:56,666 INFO L425 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 137) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 137) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 92) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point __ieee754_logEXIT(lines 45 124) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 69) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L421 ceAbstractionStarter]: At program point L65-3(lines 65 69) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and (exists ((v_prenex_18 (_ BitVec 64))) (and (not (bvslt ((_ extract 63 32) v_prenex_18) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_18) ((_ extract 62 52) v_prenex_18) ((_ extract 51 0) v_prenex_18)) |__ieee754_log_#in~x|))) (exists ((v_prenex_13 (_ BitVec 64))) (= ((_ extract 31 0) v_prenex_13) __ieee754_log_~lx~1)) (= (bvadd __ieee754_log_~k~0 (_ bv54 32)) (_ bv0 32)) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (= ((_ extract 63 32) v_prenex_15) __ieee754_log_~hx~1))) (= __ieee754_log_~x (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0))) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point L94(lines 94 99) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 62) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 122) no Hoare annotation was computed. [2018-11-18 13:44:56,667 INFO L425 ceAbstractionStarter]: For program point L86(lines 86 91) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 123) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 70) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L58-1(lines 45 124) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 55) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L421 ceAbstractionStarter]: At program point L50-3(lines 50 55) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (= __ieee754_log_~x |__ieee754_log_#in~x|) (not (= (_ +zero 11 53) ~zero~0))) [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 50 55) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L428 ceAbstractionStarter]: At program point __ieee754_logENTRY(lines 45 124) the Hoare annotation is: true [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point __ieee754_logFINAL(lines 45 124) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 60) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 100) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 117) no Hoare annotation was computed. [2018-11-18 13:44:56,668 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 81) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L421 ceAbstractionStarter]: At program point L76-3(lines 76 81) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (and (= __ieee754_log_~x |__ieee754_log_#in~x|) (exists ((v_prenex_15 (_ BitVec 64))) (and (= |__ieee754_log_#in~x| (fp ((_ extract 63 63) v_prenex_15) ((_ extract 62 52) v_prenex_15) ((_ extract 51 0) v_prenex_15))) (not (bvslt ((_ extract 63 32) v_prenex_15) (_ bv1048576 32)))))) (not (= (_ +zero 11 53) ~zero~0)) (and (exists ((v_prenex_17 (_ BitVec 64))) (and (= (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0) (fp ((_ extract 63 63) v_prenex_17) ((_ extract 62 52) v_prenex_17) ((_ extract 51 0) v_prenex_17))) (= (bvadd __ieee754_log_~k~0 (_ bv1077 32)) (bvashr ((_ extract 63 32) v_prenex_17) (_ bv20 32))))) (exists ((v_prenex_18 (_ BitVec 64))) (and (not (bvslt ((_ extract 63 32) v_prenex_18) (_ bv0 32))) (= (fp ((_ extract 63 63) v_prenex_18) ((_ extract 62 52) v_prenex_18) ((_ extract 51 0) v_prenex_18)) |__ieee754_log_#in~x|))) (exists ((__ieee754_log_~hx~1 (_ BitVec 32))) (= (bvand (_ bv1048576 32) (bvadd __ieee754_log_~hx~1 (_ bv614244 32))) __ieee754_log_~i~0)) (= __ieee754_log_~x (fp.mul roundNearestTiesToEven |__ieee754_log_#in~x| ~two54_log~0)))) [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 81) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point L20-1(lines 20 25) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point L20-3(lines 20 25) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point L20-4(lines 20 25) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point isinf_doubleFINAL(lines 18 30) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point isinf_doubleEXIT(lines 18 30) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point isinf_doubleENTRY(lines 18 30) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:44:56,669 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~two54_log~0 ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0)) (= (_ +zero 11 53) ~zero~0)) [2018-11-18 13:44:56,670 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:44:56,670 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 139 156) the Hoare annotation is: true [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 139 156) no Hoare annotation was computed. [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 139 156) no Hoare annotation was computed. [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 13:44:56,670 INFO L421 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= (fp.div roundNearestTiesToEven (fp.sub roundNearestTiesToEven .cse0 .cse0) (_ +zero 11 53)) main_~res~0) (= .cse0 main_~x~0)))) [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 150 153) no Hoare annotation was computed. [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 151) no Hoare annotation was computed. [2018-11-18 13:44:56,670 INFO L421 ceAbstractionStarter]: At program point L147(line 147) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 18014398509481984.0) ~two54_log~0)) (not (= (_ +zero 11 53) ~zero~0)) (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0)) [2018-11-18 13:44:56,670 INFO L425 ceAbstractionStarter]: For program point L147-1(line 147) no Hoare annotation was computed. [2018-11-18 13:44:56,676 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,676 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,677 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,677 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,677 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,677 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 13:44:56,677 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,677 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,678 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,678 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,678 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,680 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,681 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,681 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,681 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,681 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,681 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 13:44:56,681 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,682 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,682 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,682 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,682 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,683 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 13:44:56,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,687 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 13:44:56,688 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:44:56 BoogieIcfgContainer [2018-11-18 13:44:56,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:44:56,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:44:56,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:44:56,691 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:44:56,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:41:39" (3/4) ... [2018-11-18 13:44:56,695 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:44:56,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isfinite_double [2018-11-18 13:44:56,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-11-18 13:44:56,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:44:56,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log [2018-11-18 13:44:56,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_double [2018-11-18 13:44:56,699 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:44:56,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-11-18 13:44:56,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-11-18 13:44:56,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:44:56,703 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:44:56,719 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-18 13:44:56,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || (((((\exists v_prenex_18 : bv64 :: !~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x)) && (\exists v_prenex_13 : bv64 :: v_prenex_13[31:0] == lx)) && ~bvadd64(k, 54bv32) == 0bv32) && (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && v_prenex_15[63:32] == hx)) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log))) || !(~Pluszero~LONGDOUBLE() == zero) [2018-11-18 13:44:56,720 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || (x == \old(x) && (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 1048576bv32)))) || !(~Pluszero~LONGDOUBLE() == zero)) || ((((\exists v_prenex_17 : bv64 :: ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvadd64(k, 1077bv32) == ~bvashr32(v_prenex_17[63:32], 20bv32)) && (\exists v_prenex_18 : bv64 :: !~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x))) && (\exists __ieee754_log_~hx~1 : bv32 :: ~bvand32(1048576bv32, ~bvadd64(__ieee754_log_~hx~1, 614244bv32)) == i)) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) [2018-11-18 13:44:56,741 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7e269559-6ce5-4fc9-b4fe-a9db01cf329f/bin-2019/uautomizer/witness.graphml [2018-11-18 13:44:56,742 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:44:56,742 INFO L168 Benchmark]: Toolchain (without parser) took 220277.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.1 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:56,743 INFO L168 Benchmark]: CDTParser took 0.16 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 13:44:56,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:56,743 INFO L168 Benchmark]: Boogie Preprocessor took 89.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:56,744 INFO L168 Benchmark]: RCFGBuilder took 22925.53 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: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:56,744 INFO L168 Benchmark]: TraceAbstraction took 196908.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -69.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:56,744 INFO L168 Benchmark]: Witness Printer took 51.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:44:56,745 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 299.66 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 934.7 MB in the beginning and 1.1 GB in the end (delta: -150.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 22925.53 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: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 196908.40 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 76.0 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -69.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Witness Printer took 51.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 151]: 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: 65]: Loop Invariant [2018-11-18 13:44:56,747 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,748 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_13,QUANTIFIED] [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,750 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || (((((\exists v_prenex_18 : bv64 :: !~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x)) && (\exists v_prenex_13 : bv64 :: v_prenex_13[31:0] == lx)) && ~bvadd64(k, 54bv32) == 0bv32) && (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && v_prenex_15[63:32] == hx)) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log))) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 50]: Loop Invariant [2018-11-18 13:44:56,750 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,751 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || x == \old(x)) || !(~Pluszero~LONGDOUBLE() == zero) - InvariantResult [Line: 76]: Loop Invariant [2018-11-18 13:44:56,751 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 13:44:56,753 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,753 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_15,QUANTIFIED] [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_17,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_18,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log_~hx~1,QUANTIFIED] [2018-11-18 13:44:56,755 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.8014398509481984E16) == two54_log) || (x == \old(x) && (\exists v_prenex_15 : bv64 :: \old(x) == ~fp~LONGDOUBLE(v_prenex_15[63:63], v_prenex_15[62:52], v_prenex_15[51:0]) && !~bvslt32(v_prenex_15[63:32], 1048576bv32)))) || !(~Pluszero~LONGDOUBLE() == zero)) || ((((\exists v_prenex_17 : bv64 :: ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log) == ~fp~LONGDOUBLE(v_prenex_17[63:63], v_prenex_17[62:52], v_prenex_17[51:0]) && ~bvadd64(k, 1077bv32) == ~bvashr32(v_prenex_17[63:32], 20bv32)) && (\exists v_prenex_18 : bv64 :: !~bvslt32(v_prenex_18[63:32], 0bv32) && ~fp~LONGDOUBLE(v_prenex_18[63:63], v_prenex_18[62:52], v_prenex_18[51:0]) == \old(x))) && (\exists __ieee754_log_~hx~1 : bv32 :: ~bvand32(1048576bv32, ~bvadd64(__ieee754_log_~hx~1, 614244bv32)) == i)) && x == ~fp.mul~DOUBLE(~roundNearestTiesToEven, \old(x), two54_log)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 53 locations, 1 error locations. SAFE Result, 196.8s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 125.8s AutomataDifference, 0.0s DeadEndRemovalTime, 36.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 256 SDtfs, 159 SDslu, 797 SDs, 0 SdLazy, 372 SolverSat, 22 SolverUnsat, 23 SolverUnknown, 0 SolverNotchecked, 91.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 186 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 56.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=41occurred 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, 7 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 22 NumberOfFragments, 233 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 112 FormulaSimplificationTreeSizeReductionInter, 36.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 4.0s SatisfiabilityAnalysisTime, 29.6s InterpolantComputationTime, 178 NumberOfCodeBlocks, 178 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 171 ConstructedInterpolants, 42 QuantifiedInterpolants, 38405 SizeOfPredicates, 25 NumberOfNonLiveVariables, 719 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...