./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_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_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 14218179970cdda4c2f749c75b7f78aa74dcc86b ........................................................................................................................................................................................................................................................................................................................................ 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_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 14218179970cdda4c2f749c75b7f78aa74dcc86b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:41:11,581 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:41:11,582 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:41:11,589 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:41:11,589 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:41:11,590 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:41:11,591 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:41:11,592 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:41:11,593 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:41:11,593 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:41:11,594 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:41:11,594 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:41:11,595 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:41:11,596 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:41:11,596 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:41:11,597 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:41:11,597 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:41:11,599 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:41:11,600 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:41:11,601 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:41:11,602 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:41:11,603 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:41:11,604 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:41:11,605 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:41:11,605 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:41:11,606 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:41:11,606 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:41:11,607 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:41:11,607 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:41:11,608 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:41:11,608 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:41:11,609 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:41:11,609 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:41:11,609 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:41:11,610 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:41:11,610 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:41:11,610 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:41:11,621 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:41:11,621 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:41:11,622 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:41:11,622 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:41:11,622 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:41:11,622 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:41:11,622 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:41:11,622 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:41:11,622 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:41:11,622 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:41:11,623 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:41:11,623 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:41:11,623 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:41:11,623 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:41:11,623 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:41:11,623 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:41:11,624 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:41:11,625 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:41:11,625 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:41:11,625 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:41:11,626 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:41:11,626 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:41:11,626 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_55b945f9-efbd-4146-a132-c9b2baf1833e/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-12-03 02:41:11,649 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:41:11,657 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:41:11,659 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:41:11,660 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:41:11,660 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:41:11,661 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-03 02:41:11,697 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/c69c6efff/ce93c439e49745d2905d90aacc1c3175/FLAG474e73ca1 [2018-12-03 02:41:12,052 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:41:12,053 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-03 02:41:12,058 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/c69c6efff/ce93c439e49745d2905d90aacc1c3175/FLAG474e73ca1 [2018-12-03 02:41:12,067 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/c69c6efff/ce93c439e49745d2905d90aacc1c3175 [2018-12-03 02:41:12,069 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:41:12,070 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:41:12,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:41:12,071 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:41:12,073 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:41:12,073 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,075 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52dd96c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12, skipping insertion in model container [2018-12-03 02:41:12,075 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:41:12,092 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:41:12,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:41:12,220 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:41:12,247 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:41:12,291 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:41:12,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12 WrapperNode [2018-12-03 02:41:12,291 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:41:12,291 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:41:12,292 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:41:12,292 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:41:12,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,306 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:41:12,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:41:12,307 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:41:12,307 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:41:12,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,314 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,325 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... [2018-12-03 02:41:12,326 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:41:12,327 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:41:12,327 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:41:12,327 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:41:12,327 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-03 02:41:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-03 02:41:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:41:12,357 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:41:12,357 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-03 02:41:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:41:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:41:12,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-03 02:41:12,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:41:12,558 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:41:12,558 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-03 02:41:12,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:12 BoogieIcfgContainer [2018-12-03 02:41:12,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:41:12,559 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:41:12,559 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:41:12,560 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:41:12,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:41:12" (1/3) ... [2018-12-03 02:41:12,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753dd532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:41:12, skipping insertion in model container [2018-12-03 02:41:12,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:12" (2/3) ... [2018-12-03 02:41:12,561 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@753dd532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:41:12, skipping insertion in model container [2018-12-03 02:41:12,561 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:12" (3/3) ... [2018-12-03 02:41:12,562 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-12-03 02:41:12,568 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:41:12,572 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:41:12,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:41:12,597 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:41:12,597 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:41:12,597 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:41:12,597 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:41:12,597 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:41:12,597 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:41:12,597 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:41:12,597 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:41:12,607 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-12-03 02:41:12,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 02:41:12,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:12,610 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] [2018-12-03 02:41:12,612 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:12,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:12,615 INFO L82 PathProgramCache]: Analyzing trace with hash -395357823, now seen corresponding path program 1 times [2018-12-03 02:41:12,616 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:12,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:12,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:12,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:12,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:12,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:12,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:12,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:41:12,706 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:41:12,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:41:12,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:41:12,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:41:12,718 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-12-03 02:41:12,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:12,730 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2018-12-03 02:41:12,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:41:12,731 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-03 02:41:12,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:12,738 INFO L225 Difference]: With dead ends: 92 [2018-12-03 02:41:12,738 INFO L226 Difference]: Without dead ends: 46 [2018-12-03 02:41:12,740 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 [2018-12-03 02:41:12,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-03 02:41:12,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-12-03 02:41:12,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-03 02:41:12,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-12-03 02:41:12,765 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 21 [2018-12-03 02:41:12,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:12,765 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-12-03 02:41:12,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:41:12,765 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-12-03 02:41:12,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-03 02:41:12,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:12,766 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] [2018-12-03 02:41:12,766 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:12,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:12,767 INFO L82 PathProgramCache]: Analyzing trace with hash -1661156566, now seen corresponding path program 1 times [2018-12-03 02:41:12,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:41:12,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:12,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:12,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:41:12,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:41:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:41:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:41:12,828 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 02:41:12,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:41:12 BoogieIcfgContainer [2018-12-03 02:41:12,852 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:41:12,852 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:41:12,852 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:41:12,852 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:41:12,853 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:12" (3/4) ... [2018-12-03 02:41:12,855 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 02:41:12,855 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:41:12,855 INFO L168 Benchmark]: Toolchain (without parser) took 785.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 957.8 MB in the beginning and 1.0 GB in the end (delta: -83.1 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:12,856 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-03 02:41:12,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 220.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:12,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.88 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:12,857 INFO L168 Benchmark]: Boogie Preprocessor took 20.10 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. [2018-12-03 02:41:12,857 INFO L168 Benchmark]: RCFGBuilder took 231.66 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:12,857 INFO L168 Benchmark]: TraceAbstraction took 293.13 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: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:41:12,858 INFO L168 Benchmark]: Witness Printer took 2.66 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. [2018-12-03 02:41:12,859 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 220.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -150.6 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.88 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.10 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 231.66 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: 25.6 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 293.13 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: 38.4 MB). Peak memory consumption was 38.4 MB. Max. memory is 11.5 GB. * Witness Printer took 2.66 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: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=6442450967, \old(halF_exp)=6442450955, \old(huge_exp)=6442450950, \old(invln2_exp)=6442450951, \old(ln2HI_exp)=6442450945, \old(ln2HI_exp)=6442450959, \old(ln2LO_exp)=6442450961, \old(ln2LO_exp)=6442450966, \old(one_exp)=6442450968, \old(P1_exp)=6442450954, \old(P2_exp)=6442450957, \old(P3_exp)=6442450963, \old(P4_exp)=6442450965, \old(P5_exp)=6442450964, \old(twom100_exp)=6442450946, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L116] float x = 0.0f / 0.0f; VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=6442450952, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L117] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450949, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L117] float res = __ieee754_expf(x); [L120] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450949, \result=0, halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450949] [L120] RET, EXPR isnan_float(res) VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isnan_float(res)=0, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450949, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] [L120] COND TRUE !isnan_float(res) [L121] __VERIFIER_error() VAL [halF_exp={1:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450958:0}, ln2LO_exp={6442450962:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450949, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 60 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=50occurred 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 [2018-12-03 02:41:14,165 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:41:14,166 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:41:14,173 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:41:14,173 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:41:14,174 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:41:14,174 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:41:14,176 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:41:14,177 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:41:14,177 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:41:14,178 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:41:14,178 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:41:14,178 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:41:14,179 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:41:14,179 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:41:14,180 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:41:14,180 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:41:14,181 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:41:14,182 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:41:14,183 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:41:14,184 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:41:14,185 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:41:14,186 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:41:14,186 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:41:14,186 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:41:14,187 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:41:14,187 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:41:14,188 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:41:14,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:41:14,189 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:41:14,189 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:41:14,189 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:41:14,189 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:41:14,189 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:41:14,190 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:41:14,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:41:14,190 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 02:41:14,199 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:41:14,199 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:41:14,200 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:41:14,200 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:41:14,201 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:41:14,201 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:41:14,201 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:41:14,201 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:41:14,201 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:41:14,201 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:41:14,202 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:41:14,202 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:41:14,202 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:41:14,202 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:41:14,203 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:41:14,204 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 02:41:14,204 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:41:14,204 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:41:14,204 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:41:14,204 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:41:14,204 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:41:14,204 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:41:14,205 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:41:14,205 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:41:14,205 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:41:14,205 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 02:41:14,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:41:14,205 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 02:41:14,206 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 02:41:14,206 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_55b945f9-efbd-4146-a132-c9b2baf1833e/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 -> 14218179970cdda4c2f749c75b7f78aa74dcc86b [2018-12-03 02:41:14,230 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:41:14,239 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:41:14,242 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:41:14,243 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:41:14,243 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:41:14,244 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-03 02:41:14,283 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/08e9ef7e1/cef91e68baf24ff28ec2a657b5201ea5/FLAGfa37c2ddd [2018-12-03 02:41:14,594 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:41:14,595 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-12-03 02:41:14,599 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/08e9ef7e1/cef91e68baf24ff28ec2a657b5201ea5/FLAGfa37c2ddd [2018-12-03 02:41:14,606 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/data/08e9ef7e1/cef91e68baf24ff28ec2a657b5201ea5 [2018-12-03 02:41:14,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:41:14,609 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:41:14,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:41:14,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:41:14,611 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:41:14,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96fb700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14, skipping insertion in model container [2018-12-03 02:41:14,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:41:14,635 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:41:14,753 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:41:14,758 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:41:14,784 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:41:14,800 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:41:14,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14 WrapperNode [2018-12-03 02:41:14,800 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:41:14,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:41:14,800 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:41:14,801 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:41:14,805 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,813 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:41:14,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:41:14,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:41:14,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:41:14,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,859 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,869 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... [2018-12-03 02:41:14,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:41:14,877 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:41:14,877 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:41:14,877 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:41:14,878 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-03 02:41:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-03 02:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-03 02:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:41:14,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-03 02:41:14,913 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-03 02:41:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:41:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:41:14,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 02:41:14,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:41:15,037 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:41:23,128 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:41:23,148 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:41:23,226 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:41:23,238 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:41:23,238 INFO L280 CfgBuilder]: Removed 10 assue(true) statements. [2018-12-03 02:41:23,238 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:23 BoogieIcfgContainer [2018-12-03 02:41:23,238 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:41:23,239 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:41:23,239 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:41:23,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:41:23,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:41:14" (1/3) ... [2018-12-03 02:41:23,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbee944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:41:23, skipping insertion in model container [2018-12-03 02:41:23,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:41:14" (2/3) ... [2018-12-03 02:41:23,241 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbee944 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:41:23, skipping insertion in model container [2018-12-03 02:41:23,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:23" (3/3) ... [2018-12-03 02:41:23,242 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-12-03 02:41:23,248 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:41:23,252 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:41:23,261 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:41:23,277 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 02:41:23,278 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:41:23,278 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:41:23,278 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:41:23,278 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:41:23,278 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:41:23,278 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:41:23,278 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:41:23,279 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:41:23,288 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-03 02:41:23,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-03 02:41:23,291 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:23,292 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] [2018-12-03 02:41:23,293 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:23,296 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:23,296 INFO L82 PathProgramCache]: Analyzing trace with hash -188565884, now seen corresponding path program 1 times [2018-12-03 02:41:23,299 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:41:23,299 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:23,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:23,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:23,386 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:23,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:23,396 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:41:23,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:23,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:41:23,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:41:23,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:41:23,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:41:23,417 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-03 02:41:23,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:23,429 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2018-12-03 02:41:23,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:41:23,430 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-03 02:41:23,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:23,436 INFO L225 Difference]: With dead ends: 90 [2018-12-03 02:41:23,437 INFO L226 Difference]: Without dead ends: 45 [2018-12-03 02:41:23,438 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 [2018-12-03 02:41:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-03 02:41:23,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-03 02:41:23,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-03 02:41:23,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-12-03 02:41:23,461 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 20 [2018-12-03 02:41:23,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:23,461 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-12-03 02:41:23,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:41:23,462 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-12-03 02:41:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 02:41:23,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:23,462 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] [2018-12-03 02:41:23,462 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:23,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:23,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1821956169, now seen corresponding path program 1 times [2018-12-03 02:41:23,463 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:41:23,463 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:23,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:23,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:23,542 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:24,046 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:41:24,054 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:24,054 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 02:41:24,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:41:24,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:41:24,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:41:24,055 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 9 states. [2018-12-03 02:41:36,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:36,488 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-12-03 02:41:36,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 02:41:36,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-03 02:41:36,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:36,490 INFO L225 Difference]: With dead ends: 56 [2018-12-03 02:41:36,490 INFO L226 Difference]: Without dead ends: 49 [2018-12-03 02:41:36,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-03 02:41:36,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-03 02:41:36,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2018-12-03 02:41:36,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-03 02:41:36,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2018-12-03 02:41:36,496 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 21 [2018-12-03 02:41:36,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:36,497 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-12-03 02:41:36,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:41:36,497 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-12-03 02:41:36,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 02:41:36,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:36,498 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] [2018-12-03 02:41:36,498 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:36,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:36,498 INFO L82 PathProgramCache]: Analyzing trace with hash -87717581, now seen corresponding path program 1 times [2018-12-03 02:41:36,498 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:41:36,498 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:36,502 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:36,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:36,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:36,741 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:41:36,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:36,750 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-03 02:41:36,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:41:36,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:41:36,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:41:36,750 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 9 states. [2018-12-03 02:41:45,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:45,099 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-12-03 02:41:45,159 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 02:41:45,159 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-03 02:41:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:45,160 INFO L225 Difference]: With dead ends: 62 [2018-12-03 02:41:45,160 INFO L226 Difference]: Without dead ends: 46 [2018-12-03 02:41:45,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2018-12-03 02:41:45,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-12-03 02:41:45,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-12-03 02:41:45,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-12-03 02:41:45,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-12-03 02:41:45,164 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-12-03 02:41:45,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:45,164 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-12-03 02:41:45,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:41:45,165 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-12-03 02:41:45,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 02:41:45,165 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:45,165 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] [2018-12-03 02:41:45,165 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:45,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:45,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1171257842, now seen corresponding path program 1 times [2018-12-03 02:41:45,166 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:41:45,166 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:45,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:45,871 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:45,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:45,953 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:41:45,966 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:45,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:41:45,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:41:45,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:41:45,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:41:45,967 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 7 states. [2018-12-03 02:41:54,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:41:54,140 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-12-03 02:41:54,203 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 02:41:54,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-03 02:41:54,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:41:54,204 INFO L225 Difference]: With dead ends: 68 [2018-12-03 02:41:54,204 INFO L226 Difference]: Without dead ends: 43 [2018-12-03 02:41:54,205 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:41:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-12-03 02:41:54,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-12-03 02:41:54,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-03 02:41:54,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-12-03 02:41:54,208 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 28 [2018-12-03 02:41:54,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:41:54,209 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-12-03 02:41:54,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:41:54,209 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-12-03 02:41:54,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-03 02:41:54,209 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:41:54,210 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] [2018-12-03 02:41:54,210 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:41:54,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:41:54,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1100699800, now seen corresponding path program 1 times [2018-12-03 02:41:54,211 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:41:54,211 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/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 [2018-12-03 02:41:54,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:41:54,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:41:54,947 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:41:55,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:41:55,023 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:41:55,038 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:41:55,038 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:41:55,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:41:55,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:41:55,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:41:55,038 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-12-03 02:42:06,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:42:06,010 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-12-03 02:42:06,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:42:06,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-03 02:42:06,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:42:06,073 INFO L225 Difference]: With dead ends: 65 [2018-12-03 02:42:06,074 INFO L226 Difference]: Without dead ends: 41 [2018-12-03 02:42:06,074 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:42:06,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-03 02:42:06,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-03 02:42:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-03 02:42:06,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-12-03 02:42:06,076 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2018-12-03 02:42:06,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:42:06,077 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-12-03 02:42:06,077 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:42:06,077 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-12-03 02:42:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-03 02:42:06,077 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:42:06,077 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] [2018-12-03 02:42:06,077 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:42:06,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:42:06,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1687505814, now seen corresponding path program 1 times [2018-12-03 02:42:06,078 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:42:06,078 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-03 02:42:06,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:42:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:42:07,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:42:07,216 INFO L303 Elim1Store]: Index analysis took 158 ms [2018-12-03 02:42:07,219 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-12-03 02:42:07,334 INFO L303 Elim1Store]: Index analysis took 114 ms [2018-12-03 02:42:07,335 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 15 [2018-12-03 02:42:07,336 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 02:42:07,858 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 02:42:08,070 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-12-03 02:42:08,070 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:15 [2018-12-03 02:42:10,176 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= c___ieee754_expf_~hi~0 (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))))) is different from true [2018-12-03 02:42:12,348 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) is different from true [2018-12-03 02:42:14,424 WARN L832 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-12-03 02:42:16,482 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-12-03 02:42:17,483 WARN L180 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-03 02:42:19,701 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-12-03 02:42:21,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:42:21,004 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:42:21,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:42:21,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-03 02:42:21,021 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 02:42:21,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 02:42:21,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=45, Unknown=4, NotChecked=42, Total=110 [2018-12-03 02:42:21,022 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 11 states. [2018-12-03 02:42:27,784 WARN L180 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 32 [2018-12-03 02:42:27,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:42:27,814 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-12-03 02:42:27,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 02:42:27,815 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-12-03 02:42:27,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:42:27,815 INFO L225 Difference]: With dead ends: 48 [2018-12-03 02:42:27,815 INFO L226 Difference]: Without dead ends: 41 [2018-12-03 02:42:27,816 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.7s TimeCoverageRelationStatistics Valid=23, Invalid=57, Unknown=4, NotChecked=48, Total=132 [2018-12-03 02:42:27,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-03 02:42:27,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-03 02:42:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-03 02:42:27,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-12-03 02:42:27,818 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 29 [2018-12-03 02:42:27,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:42:27,819 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-12-03 02:42:27,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 02:42:27,819 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-12-03 02:42:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-03 02:42:27,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:42:27,820 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] [2018-12-03 02:42:27,820 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:42:27,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:42:27,820 INFO L82 PathProgramCache]: Analyzing trace with hash 791879257, now seen corresponding path program 1 times [2018-12-03 02:42:27,820 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:42:27,821 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-03 02:42:27,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:42:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:42:28,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:42:29,311 INFO L303 Elim1Store]: Index analysis took 476 ms [2018-12-03 02:42:29,312 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-12-03 02:42:29,679 INFO L303 Elim1Store]: Index analysis took 366 ms [2018-12-03 02:42:29,679 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 17 [2018-12-03 02:42:29,680 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 02:42:30,555 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 02:42:31,154 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-12-03 02:42:31,154 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2018-12-03 02:42:33,961 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_4 (_ BitVec 32))) (= c___ieee754_expf_~k~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven c_~invln2_exp~0 |c___ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))) is different from true [2018-12-03 02:42:40,324 WARN L180 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-03 02:42:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:42:40,337 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:42:40,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:42:40,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 02:42:40,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:42:40,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:42:40,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2018-12-03 02:42:40,357 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 6 states. [2018-12-03 02:43:13,441 WARN L180 SmtUtils]: Spent 3.93 s on a formula simplification that was a NOOP. DAG size: 21 [2018-12-03 02:43:16,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:43:16,486 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-12-03 02:43:16,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:43:16,508 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-03 02:43:16,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:43:16,509 INFO L225 Difference]: With dead ends: 41 [2018-12-03 02:43:16,509 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:43:16,509 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.8s TimeCoverageRelationStatistics Valid=13, Invalid=18, Unknown=3, NotChecked=8, Total=42 [2018-12-03 02:43:16,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:43:16,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:43:16,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:43:16,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:43:16,510 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-12-03 02:43:16,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:43:16,510 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:43:16,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:43:16,510 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:43:16,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:43:16,513 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:43:45,880 WARN L180 SmtUtils]: Spent 29.33 s on a formula simplification that was a NOOP. DAG size: 39 [2018-12-03 02:44:15,820 WARN L180 SmtUtils]: Spent 29.94 s on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-12-03 02:44:46,081 WARN L180 SmtUtils]: Spent 30.24 s on a formula simplification that was a NOOP. DAG size: 39 [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-12-03 02:44:46,083 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-03 02:44:46,084 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-03 02:44:46,085 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-12-03 02:44:46,085 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 02:44:46,086 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 02:44:46,086 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-12-03 02:44:46,087 INFO L444 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (let ((.cse0 (= main_~x~0 .cse1))) (or (and (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) .cse0) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse1 .cse1)) .cse0)))) [2018-12-03 02:44:46,087 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-12-03 02:44:46,087 INFO L444 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-12-03 02:44:46,087 INFO L448 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-12-03 02:44:46,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,092 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,093 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,094 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,096 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,096 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,097 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,100 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,101 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,102 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,103 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,103 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,105 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,106 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,107 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,107 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,107 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,108 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,109 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,110 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:44:46 BoogieIcfgContainer [2018-12-03 02:44:46,112 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:44:46,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:44:46,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:44:46,112 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:44:46,113 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:41:23" (3/4) ... [2018-12-03 02:44:46,115 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:44:46,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-03 02:44:46,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-12-03 02:44:46,120 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:44:46,121 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:44:46,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2018-12-03 02:44:46,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-03 02:44:46,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 02:44:46,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 02:44:46,126 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 02:44:46,142 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-03 02:44:46,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-12-03 02:44:46,143 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-12-03 02:44:46,161 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55b945f9-efbd-4146-a132-c9b2baf1833e/bin-2019/utaipan/witness.graphml [2018-12-03 02:44:46,161 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:44:46,162 INFO L168 Benchmark]: Toolchain (without parser) took 211553.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -169.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:44:46,162 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. [2018-12-03 02:44:46,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.88 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:44:46,163 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-03 02:44:46,163 INFO L168 Benchmark]: Boogie Preprocessor took 27.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:44:46,163 INFO L168 Benchmark]: RCFGBuilder took 8361.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:44:46,164 INFO L168 Benchmark]: TraceAbstraction took 202872.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -27.0 MB). Peak memory consumption was 293.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:44:46,164 INFO L168 Benchmark]: Witness Printer took 49.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:44:46,166 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 190.88 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -199.7 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 8361.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.1 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 202872.70 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -2.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -27.0 MB). Peak memory consumption was 293.9 MB. Max. memory is 11.5 GB. * Witness Printer took 49.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.1 MB). Peak memory consumption was 6.1 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_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: 97]: Loop Invariant [2018-12-03 02:44:46,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,172 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-12-03 02:44:46,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,176 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,177 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-12-03 02:44:46,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 202.8s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 83.0s AutomataDifference, 0.0s DeadEndRemovalTime, 89.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 232 SDslu, 1009 SDs, 0 SdLazy, 259 SolverSat, 7 SolverUnsat, 27 SolverUnknown, 0 SolverNotchecked, 68.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 32.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 7 MinimizatonAttempts, 9 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 27 NumberOfFragments, 219 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 66 FormulaSimplificationTreeSizeReductionInter, 89.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.2s SatisfiabilityAnalysisTime, 26.5s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 178 ConstructedInterpolants, 41 QuantifiedInterpolants, 36040 SizeOfPredicates, 33 NumberOfNonLiveVariables, 898 ConjunctsInSsa, 56 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...