./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6017db04fd0c3d76a17184976602c114f74dffa4 .............................................................................................................................................................................................................................................................................................................................. 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_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6017db04fd0c3d76a17184976602c114f74dffa4 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:36:17,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:36:17,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:36:17,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:36:17,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:36:17,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:36:17,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:36:17,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:36:17,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:36:17,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:36:17,504 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:36:17,504 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:36:17,505 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:36:17,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:36:17,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:36:17,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:36:17,507 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:36:17,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:36:17,508 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:36:17,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:36:17,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:36:17,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:36:17,511 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:36:17,511 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:36:17,511 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:36:17,512 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:36:17,512 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:36:17,513 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:36:17,513 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:36:17,513 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:36:17,514 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:36:17,514 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:36:17,514 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:36:17,514 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:36:17,515 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:36:17,515 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:36:17,515 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 15:36:17,522 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:36:17,522 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:36:17,523 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:36:17,523 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:36:17,523 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:36:17,523 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:36:17,523 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:36:17,523 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:36:17,524 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:36:17,524 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:36:17,525 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:36:17,525 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:36:17,526 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 15:36:17,526 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2018-12-09 15:36:17,543 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:36:17,550 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:36:17,552 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:36:17,553 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:36:17,553 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:36:17,553 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-12-09 15:36:17,588 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/2b3ca5c15/4c7ca50c13114e29bef570519d0336b8/FLAGd391ae389 [2018-12-09 15:36:17,903 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:36:17,903 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-12-09 15:36:17,908 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/2b3ca5c15/4c7ca50c13114e29bef570519d0336b8/FLAGd391ae389 [2018-12-09 15:36:18,323 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/2b3ca5c15/4c7ca50c13114e29bef570519d0336b8 [2018-12-09 15:36:18,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:36:18,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:36:18,327 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:36:18,327 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:36:18,330 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:36:18,331 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,333 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39ae6a80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18, skipping insertion in model container [2018-12-09 15:36:18,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,340 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:36:18,354 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:36:18,460 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:36:18,463 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:36:18,487 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:36:18,530 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:36:18,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18 WrapperNode [2018-12-09 15:36:18,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:36:18,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:36:18,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:36:18,531 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:36:18,536 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,542 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,546 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:36:18,546 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:36:18,546 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:36:18,546 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:36:18,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,554 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,561 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,566 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... [2018-12-09 15:36:18,568 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:36:18,569 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:36:18,569 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:36:18,569 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:36:18,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:36:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 15:36:18,599 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 15:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 15:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 15:36:18,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 15:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 15:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:36:18,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 15:36:18,600 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:36:18,796 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:36:18,797 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 15:36:18,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:18 BoogieIcfgContainer [2018-12-09 15:36:18,797 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:36:18,797 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:36:18,797 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:36:18,799 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:36:18,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:36:18" (1/3) ... [2018-12-09 15:36:18,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cec65bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:18, skipping insertion in model container [2018-12-09 15:36:18,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:18" (2/3) ... [2018-12-09 15:36:18,800 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cec65bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:18, skipping insertion in model container [2018-12-09 15:36:18,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:18" (3/3) ... [2018-12-09 15:36:18,801 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971_true-unreach-call.c [2018-12-09 15:36:18,807 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:36:18,812 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:36:18,821 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:36:18,839 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:36:18,839 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:36:18,839 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:36:18,839 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:36:18,839 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:36:18,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:36:18,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:36:18,839 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:36:18,849 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2018-12-09 15:36:18,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 15:36:18,853 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:18,853 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:36:18,854 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:18,857 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:18,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1365748733, now seen corresponding path program 1 times [2018-12-09 15:36:18,859 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:36:18,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:36:18,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:18,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:36:18,887 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:36:18,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:36:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:36:18,946 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:36:18,946 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:36:18,946 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 15:36:18,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:36:18,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:36:18,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:36:18,958 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 2 states. [2018-12-09 15:36:18,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:36:18,973 INFO L93 Difference]: Finished difference Result 112 states and 167 transitions. [2018-12-09 15:36:18,973 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:36:18,974 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-09 15:36:18,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:36:18,979 INFO L225 Difference]: With dead ends: 112 [2018-12-09 15:36:18,979 INFO L226 Difference]: Without dead ends: 56 [2018-12-09 15:36:18,981 INFO L631 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 [2018-12-09 15:36:18,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-12-09 15:36:19,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-12-09 15:36:19,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-12-09 15:36:19,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 70 transitions. [2018-12-09 15:36:19,005 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 70 transitions. Word has length 21 [2018-12-09 15:36:19,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:36:19,005 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 70 transitions. [2018-12-09 15:36:19,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:36:19,005 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 70 transitions. [2018-12-09 15:36:19,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:36:19,006 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:19,006 INFO L402 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] [2018-12-09 15:36:19,006 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:19,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:19,006 INFO L82 PathProgramCache]: Analyzing trace with hash -1230257407, now seen corresponding path program 1 times [2018-12-09 15:36:19,006 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 15:36:19,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:36:19,007 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:19,007 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 15:36:19,007 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 15:36:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:36:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 15:36:19,058 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 15:36:19,082 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:36:19 BoogieIcfgContainer [2018-12-09 15:36:19,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:36:19,082 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:36:19,082 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:36:19,082 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:36:19,083 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:18" (3/4) ... [2018-12-09 15:36:19,085 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 15:36:19,085 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:36:19,085 INFO L168 Benchmark]: Toolchain (without parser) took 759.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 955.6 MB in the beginning and 1.0 GB in the end (delta: -75.2 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:19,086 INFO L168 Benchmark]: CDTParser took 0.11 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. [2018-12-09 15:36:19,087 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 955.6 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:19,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:19,087 INFO L168 Benchmark]: Boogie Preprocessor took 22.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:36:19,087 INFO L168 Benchmark]: RCFGBuilder took 228.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:19,088 INFO L168 Benchmark]: TraceAbstraction took 284.54 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:19,088 INFO L168 Benchmark]: Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:36:19,090 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 203.15 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 955.6 MB in the beginning and 1.1 GB in the end (delta: -144.4 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.45 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 228.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 284.54 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: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.65 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 158]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 144, overapproximation of someBinaryArithmeticFLOAToperation at line 116, overapproximation of bitwiseAnd at line 115. Possible FailurePath: [L11-L15] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L17] static const float zero_log = 0.0; [L97-L100] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L102] static const float zero = 0.0; VAL [\old(ivln10_log10)=6442450946, \old(Lg1_log)=6442450965, \old(Lg2_log)=6442450967, \old(Lg3_log)=6442450945, \old(Lg4_log)=6442450949, \old(Lg5_log)=6442450952, \old(Lg6_log)=6442450963, \old(Lg7_log)=6442450959, \old(ln2_hi_log)=6442450948, \old(ln2_lo_log)=6442450954, \old(log10_2hi_log10)=6442450957, \old(log10_2lo_log10)=6442450962, \old(two25_log)=6442450958, \old(two25_log10)=6442450961, \old(zero)=6442450966, \old(zero_log)=6442450956, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L153] float x = 0.0f / 0.0f; VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L154] CALL, EXPR __ieee754_log10f(x) VAL [\old(x)=6442450964, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L105] float y, z; [L106] __int32_t i, k, hx; VAL [\old(x)=6442450964, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L109] ieee_float_shape_type gf_u; [L110] gf_u.value = (x) [L111] EXPR gf_u.word [L111] (hx) = gf_u.word [L114] k = 0 VAL [\old(x)=6442450964, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L115] COND TRUE ((hx & 0x7fffffff) == 0) [L116] return -two25_log10 / zero; VAL [\old(x)=6442450964, hx=-2147483648, ivln10_log10=43429449201/100000000000, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L154] RET, EXPR __ieee754_log10f(x) VAL [__ieee754_log10f(x)=6442450951, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L154] float res = __ieee754_log10f(x); [L157] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450951, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, zero=0, zero_log=0] [L144] return x != x; VAL [\old(x)=6442450951, \result=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log=33554432, two25_log10=33554432, x=6442450951, zero=0, zero_log=0] [L157] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450951, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] [L157] COND TRUE !isnan_float(res) [L158] __VERIFIER_error() VAL [ivln10_log10=43429449201/100000000000, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, res=6442450951, two25_log=33554432, two25_log10=33554432, x=6442450964, zero=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 60 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 74 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=60occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 15:36:20,403 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 15:36:20,404 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 15:36:20,410 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 15:36:20,410 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 15:36:20,411 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 15:36:20,411 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 15:36:20,412 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 15:36:20,413 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 15:36:20,413 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 15:36:20,414 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 15:36:20,414 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 15:36:20,414 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 15:36:20,415 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 15:36:20,415 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 15:36:20,416 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 15:36:20,416 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 15:36:20,417 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 15:36:20,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 15:36:20,419 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 15:36:20,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 15:36:20,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 15:36:20,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 15:36:20,421 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 15:36:20,421 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 15:36:20,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 15:36:20,422 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 15:36:20,423 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 15:36:20,423 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 15:36:20,423 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 15:36:20,424 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 15:36:20,424 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 15:36:20,424 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 15:36:20,424 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 15:36:20,425 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 15:36:20,425 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 15:36:20,425 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 15:36:20,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 15:36:20,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 15:36:20,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 15:36:20,433 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 15:36:20,433 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 15:36:20,433 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 15:36:20,433 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 15:36:20,434 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 15:36:20,434 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 15:36:20,435 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 15:36:20,435 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:36:20,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 15:36:20,436 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 15:36:20,436 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_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6017db04fd0c3d76a17184976602c114f74dffa4 [2018-12-09 15:36:20,455 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 15:36:20,464 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 15:36:20,467 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 15:36:20,468 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 15:36:20,468 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 15:36:20,469 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-12-09 15:36:20,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/3b12f8d39/fa2519fb9cd24657907d523b660f47fa/FLAGe5af1af0d [2018-12-09 15:36:20,914 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 15:36:20,914 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/sv-benchmarks/c/float-newlib/float_req_bl_0971_true-unreach-call.c [2018-12-09 15:36:20,919 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/3b12f8d39/fa2519fb9cd24657907d523b660f47fa/FLAGe5af1af0d [2018-12-09 15:36:20,927 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/data/3b12f8d39/fa2519fb9cd24657907d523b660f47fa [2018-12-09 15:36:20,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 15:36:20,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 15:36:20,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 15:36:20,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 15:36:20,932 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 15:36:20,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:20" (1/1) ... [2018-12-09 15:36:20,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:20, skipping insertion in model container [2018-12-09 15:36:20,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 03:36:20" (1/1) ... [2018-12-09 15:36:20,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 15:36:20,951 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 15:36:21,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:36:21,077 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 15:36:21,106 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 15:36:21,120 INFO L195 MainTranslator]: Completed translation [2018-12-09 15:36:21,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21 WrapperNode [2018-12-09 15:36:21,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 15:36:21,121 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 15:36:21,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 15:36:21,122 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 15:36:21,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,134 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,138 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 15:36:21,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 15:36:21,138 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 15:36:21,138 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 15:36:21,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,177 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,191 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... [2018-12-09 15:36:21,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 15:36:21,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 15:36:21,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 15:36:21,202 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 15:36:21,203 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 15:36:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 15:36:21,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 15:36:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-09 15:36:21,234 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-09 15:36:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-09 15:36:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 15:36:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 15:36:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 15:36:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 15:36:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-09 15:36:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-09 15:36:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_log10f [2018-12-09 15:36:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_log10f [2018-12-09 15:36:21,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 15:36:21,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 15:36:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-09 15:36:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 15:36:21,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 15:36:22,032 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:36:31,033 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:36:31,715 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:36:32,343 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 15:36:32,354 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 15:36:32,354 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-09 15:36:32,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:32 BoogieIcfgContainer [2018-12-09 15:36:32,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 15:36:32,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 15:36:32,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 15:36:32,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 15:36:32,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 03:36:20" (1/3) ... [2018-12-09 15:36:32,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192b5bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:32, skipping insertion in model container [2018-12-09 15:36:32,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 03:36:21" (2/3) ... [2018-12-09 15:36:32,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@192b5bc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 03:36:32, skipping insertion in model container [2018-12-09 15:36:32,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:32" (3/3) ... [2018-12-09 15:36:32,358 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0971_true-unreach-call.c [2018-12-09 15:36:32,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 15:36:32,368 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 15:36:32,377 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 15:36:32,393 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 15:36:32,393 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 15:36:32,394 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 15:36:32,394 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 15:36:32,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 15:36:32,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 15:36:32,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 15:36:32,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 15:36:32,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 15:36:32,403 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-12-09 15:36:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 15:36:32,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:32,407 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:36:32,408 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:32,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:32,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1442699168, now seen corresponding path program 1 times [2018-12-09 15:36:32,414 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:36:32,414 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-09 15:36:32,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:36:32,623 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:36:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:36:32,633 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:36:32,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:36:32,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 15:36:32,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 15:36:32,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 15:36:32,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:36:32,655 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-12-09 15:36:32,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:36:32,670 INFO L93 Difference]: Finished difference Result 110 states and 165 transitions. [2018-12-09 15:36:32,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 15:36:32,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-09 15:36:32,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:36:32,677 INFO L225 Difference]: With dead ends: 110 [2018-12-09 15:36:32,677 INFO L226 Difference]: Without dead ends: 55 [2018-12-09 15:36:32,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 15:36:32,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-12-09 15:36:32,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-12-09 15:36:32,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 15:36:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2018-12-09 15:36:32,703 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 20 [2018-12-09 15:36:32,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:36:32,703 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2018-12-09 15:36:32,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 15:36:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2018-12-09 15:36:32,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 15:36:32,704 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:32,704 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:36:32,704 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:32,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:32,705 INFO L82 PathProgramCache]: Analyzing trace with hash 1517079774, now seen corresponding path program 1 times [2018-12-09 15:36:32,705 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:36:32,705 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-09 15:36:32,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:32,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:36:32,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:36:32,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:36:32,971 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:36:32,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:36:32,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 15:36:32,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 15:36:32,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 15:36:32,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 15:36:32,982 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand 6 states. [2018-12-09 15:36:34,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:36:34,093 INFO L93 Difference]: Finished difference Result 69 states and 82 transitions. [2018-12-09 15:36:34,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 15:36:34,094 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 21 [2018-12-09 15:36:34,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:36:34,095 INFO L225 Difference]: With dead ends: 69 [2018-12-09 15:36:34,095 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 15:36:34,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 15:36:34,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 15:36:34,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-12-09 15:36:34,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 15:36:34,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2018-12-09 15:36:34,101 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 21 [2018-12-09 15:36:34,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:36:34,101 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2018-12-09 15:36:34,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 15:36:34,101 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2018-12-09 15:36:34,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 15:36:34,102 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:34,102 INFO L402 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] [2018-12-09 15:36:34,102 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:34,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:34,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1264421054, now seen corresponding path program 1 times [2018-12-09 15:36:34,102 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:36:34,102 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-09 15:36:34,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:36:34,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:36:37,785 WARN L180 SmtUtils]: Spent 2.46 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-09 15:36:37,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:36:37,933 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:36:37,943 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:36:37,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 15:36:37,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 15:36:37,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 15:36:37,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2018-12-09 15:36:37,944 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand 10 states. [2018-12-09 15:36:40,191 WARN L180 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-12-09 15:36:42,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:36:42,838 INFO L93 Difference]: Finished difference Result 66 states and 79 transitions. [2018-12-09 15:36:42,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 15:36:42,872 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2018-12-09 15:36:42,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:36:42,873 INFO L225 Difference]: With dead ends: 66 [2018-12-09 15:36:42,873 INFO L226 Difference]: Without dead ends: 59 [2018-12-09 15:36:42,874 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2018-12-09 15:36:42,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-12-09 15:36:42,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2018-12-09 15:36:42,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 15:36:42,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2018-12-09 15:36:42,881 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 22 [2018-12-09 15:36:42,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:36:42,882 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2018-12-09 15:36:42,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 15:36:42,882 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2018-12-09 15:36:42,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 15:36:42,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:42,882 INFO L402 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] [2018-12-09 15:36:42,883 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:42,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:42,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1917312474, now seen corresponding path program 1 times [2018-12-09 15:36:42,883 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:36:42,883 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-09 15:36:42,887 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:36:42,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:36:43,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:36:43,322 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:36:43,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:36:43,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 15:36:43,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 15:36:43,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 15:36:43,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 15:36:43,331 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand 9 states. [2018-12-09 15:36:43,704 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-09 15:36:46,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:36:46,455 INFO L93 Difference]: Finished difference Result 64 states and 76 transitions. [2018-12-09 15:36:46,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 15:36:46,456 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-09 15:36:46,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:36:46,456 INFO L225 Difference]: With dead ends: 64 [2018-12-09 15:36:46,457 INFO L226 Difference]: Without dead ends: 57 [2018-12-09 15:36:46,457 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 15:36:46,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-09 15:36:46,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 55. [2018-12-09 15:36:46,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-12-09 15:36:46,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 66 transitions. [2018-12-09 15:36:46,462 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 66 transitions. Word has length 23 [2018-12-09 15:36:46,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:36:46,462 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 66 transitions. [2018-12-09 15:36:46,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 15:36:46,462 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 66 transitions. [2018-12-09 15:36:46,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 15:36:46,463 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 15:36:46,463 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 15:36:46,463 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 15:36:46,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 15:36:46,463 INFO L82 PathProgramCache]: Analyzing trace with hash 351979928, now seen corresponding path program 1 times [2018-12-09 15:36:46,463 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 15:36:46,463 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 15:36:46,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 15:36:46,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 15:36:46,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 15:36:46,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 15:36:46,945 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 15:36:46,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 15:36:46,959 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 15:36:46,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 15:36:46,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 15:36:46,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 15:36:46,959 INFO L87 Difference]: Start difference. First operand 55 states and 66 transitions. Second operand 7 states. [2018-12-09 15:36:47,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 15:36:47,529 INFO L93 Difference]: Finished difference Result 57 states and 68 transitions. [2018-12-09 15:36:47,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 15:36:47,530 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 36 [2018-12-09 15:36:47,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 15:36:47,530 INFO L225 Difference]: With dead ends: 57 [2018-12-09 15:36:47,530 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 15:36:47,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-12-09 15:36:47,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 15:36:47,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 15:36:47,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 15:36:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 15:36:47,531 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-09 15:36:47,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 15:36:47,531 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 15:36:47,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 15:36:47,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 15:36:47,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 15:36:47,534 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 15:36:47,733 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 144) no Hoare annotation was computed. [2018-12-09 15:36:47,733 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 144) the Hoare annotation is: true [2018-12-09 15:36:47,733 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 144) no Hoare annotation was computed. [2018-12-09 15:36:47,733 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:36:47,733 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 63) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L451 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: true [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L23-3(lines 23 27) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L451 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: true [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 44) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 36 44) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 70) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 19 95) the Hoare annotation is: true [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 93) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 19 95) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L57(lines 57 62) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 94) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 19 95) no Hoare annotation was computed. [2018-12-09 15:36:47,734 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 31) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 71) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 88) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 43) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L451 ceAbstractionStarter]: At program point L39-2(lines 39 43) the Hoare annotation is: true [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 120) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L115(lines 115 116) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L451 ceAbstractionStarter]: At program point __ieee754_log10fENTRY(lines 104 141) the Hoare annotation is: true [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fEXIT(lines 104 141) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L124-1(lines 124 128) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L444 ceAbstractionStarter]: At program point L124-2(lines 124 128) the Hoare annotation is: (or (and (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|)) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point __ieee754_log10fFINAL(lines 104 141) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 108 112) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L444 ceAbstractionStarter]: At program point L108-2(lines 108 112) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (= |__ieee754_log10f_#in~x| __ieee754_log10f_~x)) [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L108-3(lines 108 112) no Hoare annotation was computed. [2018-12-09 15:36:47,735 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point L121-1(lines 121 129) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L444 ceAbstractionStarter]: At program point L134-2(lines 134 138) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 15:36:47,736 INFO L444 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (or (exists ((__ieee754_log10f_~hx~0 (_ BitVec 32))) (and (not (bvslt __ieee754_log10f_~hx~0 (_ bv0 32))) (= (fp ((_ extract 31 31) __ieee754_log10f_~hx~0) ((_ extract 30 23) __ieee754_log10f_~hx~0) ((_ extract 22 0) __ieee754_log10f_~hx~0)) |__ieee754_log10f_#in~x|) (bvslt __ieee754_log10f_~hx~0 (_ bv2139095040 32)))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0) [2018-12-09 15:36:47,736 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point L158(line 158) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 146 163) the Hoare annotation is: true [2018-12-09 15:36:47,736 INFO L444 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0)) (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)) (= main_~x~0 .cse0)))) [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 146 163) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L448 ceAbstractionStarter]: For program point L157-1(lines 157 160) no Hoare annotation was computed. [2018-12-09 15:36:47,736 INFO L444 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (or (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero~0))) [2018-12-09 15:36:47,737 INFO L448 ceAbstractionStarter]: For program point L154-1(line 154) no Hoare annotation was computed. [2018-12-09 15:36:47,737 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 146 163) no Hoare annotation was computed. [2018-12-09 15:36:47,737 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 158) no Hoare annotation was computed. [2018-12-09 15:36:47,740 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,741 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,743 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,744 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,745 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,745 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,745 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,746 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,747 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,747 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,747 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,747 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,747 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,747 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 03:36:47 BoogieIcfgContainer [2018-12-09 15:36:47,749 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 15:36:47,749 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 15:36:47,749 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 15:36:47,749 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 15:36:47,749 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 03:36:32" (3/4) ... [2018-12-09 15:36:47,751 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 15:36:47,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-09 15:36:47,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 15:36:47,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-09 15:36:47,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_log10f [2018-12-09 15:36:47,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 15:36:47,760 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-12-09 15:36:47,760 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-09 15:36:47,761 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 15:36:47,761 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 15:36:47,776 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x [2018-12-09 15:36:47,776 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 15:36:47,777 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) [2018-12-09 15:36:47,799 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e9eab99b-1199-4693-ab81-44b446e340f6/bin-2019/utaipan/witness.graphml [2018-12-09 15:36:47,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 15:36:47,799 INFO L168 Benchmark]: Toolchain (without parser) took 26870.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.7 MB in the beginning and 842.4 MB in the end (delta: 102.3 MB). Peak memory consumption was 231.3 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:47,800 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:36:47,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:47,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.52 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 15:36:47,800 INFO L168 Benchmark]: Boogie Preprocessor took 63.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:47,801 INFO L168 Benchmark]: RCFGBuilder took 11152.38 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: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:47,801 INFO L168 Benchmark]: TraceAbstraction took 15393.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.2 MB in the end (delta: 221.1 MB). Peak memory consumption was 221.1 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:47,801 INFO L168 Benchmark]: Witness Printer took 49.99 ms. Allocated memory is still 1.2 GB. Free memory was 849.2 MB in the beginning and 842.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 15:36:47,802 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 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.39 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.52 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 63.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -188.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11152.38 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: 46.8 MB). Peak memory consumption was 46.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15393.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 849.2 MB in the end (delta: 221.1 MB). Peak memory consumption was 221.1 MB. Max. memory is 11.5 GB. * Witness Printer took 49.99 ms. Allocated memory is still 1.2 GB. Free memory was 849.2 MB in the beginning and 842.4 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,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[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,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[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,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: 158]: 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: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant [2018-12-09 15:36:47,805 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,806 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 108]: Loop Invariant [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) || \old(x) == x - InvariantResult [Line: 124]: Loop Invariant [2018-12-09 15:36:47,807 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,808 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,809 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,809 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_log10f_~hx~0,QUANTIFIED] [2018-12-09 15:36:47,809 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((\exists __ieee754_log10f_~hx~0 : bv32 :: (!~bvslt32(__ieee754_log10f_~hx~0, 0bv32) && ~fp~LONGDOUBLE(__ieee754_log10f_~hx~0[31:31], __ieee754_log10f_~hx~0[30:23], __ieee754_log10f_~hx~0[22:0]) == \old(x)) && ~bvslt32(__ieee754_log10f_~hx~0, 2139095040bv32)) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) || !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero) - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. SAFE Result, 15.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 9.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 304 SDtfs, 114 SDslu, 1236 SDs, 0 SdLazy, 215 SolverSat, 14 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 16 LocationsWithAnnotation, 24 PreInvPairs, 34 NumberOfFragments, 148 HoareAnnotationTreeSize, 24 FomulaSimplifications, 86 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 16 FomulaSimplificationsInter, 140 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 117 ConstructedInterpolants, 10 QuantifiedInterpolants, 16174 SizeOfPredicates, 15 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...