./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.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 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 0.1.23-1dbac8b [2018-11-10 01:42:54,588 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:42:54,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:42:54,596 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:42:54,597 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:42:54,597 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:42:54,598 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:42:54,599 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:42:54,600 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:42:54,601 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:42:54,601 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:42:54,602 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:42:54,602 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:42:54,603 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:42:54,604 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:42:54,604 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:42:54,605 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:42:54,606 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:42:54,607 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:42:54,608 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:42:54,609 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:42:54,610 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:42:54,611 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:42:54,611 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:42:54,611 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:42:54,612 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:42:54,613 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:42:54,613 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:42:54,614 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:42:54,614 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:42:54,615 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:42:54,615 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:42:54,615 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:42:54,615 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:42:54,616 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:42:54,617 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:42:54,617 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 01:42:54,626 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:42:54,626 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:42:54,627 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:42:54,627 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 01:42:54,627 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 01:42:54,627 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 01:42:54,627 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 01:42:54,627 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 01:42:54,627 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 01:42:54,628 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 01:42:54,628 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 01:42:54,628 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:42:54,628 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:42:54,628 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:42:54,629 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:42:54,630 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:42:54,630 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:42:54,630 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:42:54,630 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 01:42:54,630 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 01:42:54,630 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:42:54,630 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:42:54,631 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:42:54,631 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 01:42:54,631 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:42:54,631 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 01:42:54,631 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 01:42:54,631 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_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:42:54,654 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:42:54,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:42:54,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:42:54,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:42:54,666 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:42:54,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 01:42:54,703 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/1c3b953ff/aabf534315304a9f83730965a061b2b3/FLAGfe24cbf6c [2018-11-10 01:42:55,009 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:42:55,010 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 01:42:55,017 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/1c3b953ff/aabf534315304a9f83730965a061b2b3/FLAGfe24cbf6c [2018-11-10 01:42:55,026 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/1c3b953ff/aabf534315304a9f83730965a061b2b3 [2018-11-10 01:42:55,029 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:42:55,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:42:55,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:42:55,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:42:55,040 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:42:55,040 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,042 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e3325 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55, skipping insertion in model container [2018-11-10 01:42:55,042 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:42:55,067 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:42:55,213 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:42:55,217 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:42:55,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:42:55,252 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:42:55,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55 WrapperNode [2018-11-10 01:42:55,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:42:55,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:42:55,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:42:55,253 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:42:55,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,284 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:42:55,285 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:42:55,285 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:42:55,285 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:42:55,331 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,334 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,344 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,347 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... [2018-11-10 01:42:55,349 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:42:55,350 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:42:55,350 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:42:55,350 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:42:55,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:42:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 01:42:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 01:42:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 01:42:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 01:42:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 01:42:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 01:42:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 01:42:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 01:42:55,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:42:55,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:42:55,684 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:42:55,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:42:55 BoogieIcfgContainer [2018-11-10 01:42:55,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:42:55,685 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 01:42:55,685 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 01:42:55,687 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 01:42:55,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:42:55" (1/3) ... [2018-11-10 01:42:55,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4043a62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:42:55, skipping insertion in model container [2018-11-10 01:42:55,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:55" (2/3) ... [2018-11-10 01:42:55,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4043a62f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:42:55, skipping insertion in model container [2018-11-10 01:42:55,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:42:55" (3/3) ... [2018-11-10 01:42:55,689 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-10 01:42:55,694 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 01:42:55,699 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 01:42:55,707 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 01:42:55,730 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 01:42:55,731 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 01:42:55,731 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 01:42:55,731 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:42:55,731 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:42:55,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 01:42:55,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:42:55,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 01:42:55,742 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-10 01:42:55,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 01:42:55,745 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:42:55,746 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:42:55,748 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:42:55,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:42:55,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1963163641, now seen corresponding path program 1 times [2018-11-10 01:42:55,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:42:55,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:42:55,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:42:55,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:42:55,782 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:42:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:42:55,875 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:42:55,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:42:55,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 01:42:55,878 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 01:42:55,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 01:42:55,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 01:42:55,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:42:55,890 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-10 01:42:55,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:42:55,903 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2018-11-10 01:42:55,903 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 01:42:55,904 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-10 01:42:55,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:42:55,911 INFO L225 Difference]: With dead ends: 92 [2018-11-10 01:42:55,911 INFO L226 Difference]: Without dead ends: 46 [2018-11-10 01:42:55,914 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:42:55,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-10 01:42:55,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-10 01:42:55,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-10 01:42:55,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-11-10 01:42:55,937 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 21 [2018-11-10 01:42:55,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:42:55,937 INFO L481 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-11-10 01:42:55,937 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 01:42:55,937 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-11-10 01:42:55,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 01:42:55,938 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:42:55,938 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:42:55,938 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:42:55,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:42:55,938 INFO L82 PathProgramCache]: Analyzing trace with hash 811236613, now seen corresponding path program 1 times [2018-11-10 01:42:55,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 01:42:55,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:42:55,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:42:55,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 01:42:55,939 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 01:42:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:42:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 01:42:56,029 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 01:42:56,043 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,044 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,045 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,046 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,046 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,046 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,046 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,047 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,047 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,047 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,047 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,047 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,048 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,048 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,048 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,048 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,048 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,048 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,049 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,049 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 01:42:56,049 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 01:42:56,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:42:56 BoogieIcfgContainer [2018-11-10 01:42:56,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 01:42:56,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:42:56,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:42:56,069 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:42:56,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:42:55" (3/4) ... [2018-11-10 01:42:56,072 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 01:42:56,072 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:42:56,073 INFO L168 Benchmark]: Toolchain (without parser) took 1044.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -103.5 MB). Peak memory consumption was 41.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,074 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:42:56,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 222.62 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 1.0 GB. Free memory was 946.6 MB in the beginning and 943.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,076 INFO L168 Benchmark]: Boogie Preprocessor took 64.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,076 INFO L168 Benchmark]: RCFGBuilder took 334.82 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,077 INFO L168 Benchmark]: TraceAbstraction took 383.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,077 INFO L168 Benchmark]: Witness Printer took 3.53 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:42:56,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 222.62 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 946.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.67 ms. Allocated memory is still 1.0 GB. Free memory was 946.6 MB in the beginning and 943.9 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.2 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 334.82 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 383.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 37.0 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Witness Printer took 3.53 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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; [L15-L34] RET 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)=6442450953, \old(halF_exp)=6442450972, \old(huge_exp)=6442450963, \old(invln2_exp)=6442450947, \old(ln2HI_exp)=6442450969, \old(ln2HI_exp)=6442450945, \old(ln2LO_exp)=6442450955, \old(ln2LO_exp)=6442450971, \old(one_exp)=6442450960, \old(P1_exp)=6442450952, \old(P2_exp)=6442450954, \old(P3_exp)=6442450956, \old(P4_exp)=6442450959, \old(P5_exp)=6442450958, \old(twom100_exp)=6442450946, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, 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={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, 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 [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, 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 [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] CALL ieee_float_shape_type gf_u; [L42] RET ieee_float_shape_type gf_u; [L43] CALL gf_u.value = (x) [L43] RET gf_u.value = (x) [L44] CALL, EXPR gf_u.word [L44] RET, EXPR gf_u.word [L44] (sx) = gf_u.word [L44] RET (sx) = gf_u.word [L45] COND FALSE !(0) VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450962, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450964] [L117] float res = __ieee754_expf(x); [L120] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450962, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L13] RET return x != x; VAL [\old(x)=6442450962, \result=0, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450962] [L120] EXPR isnan_float(res) VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isnan_float(res)=0, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450962, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450964] [L120] COND TRUE !isnan_float(res) [L121] __VERIFIER_error() VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450968:0}, ln2LO_exp={6442450949:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450962, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450964] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 50 locations, 1 error locations. UNSAFE Result, 0.3s 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 0.1.23-1dbac8b [2018-11-10 01:42:57,512 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 01:42:57,514 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 01:42:57,522 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 01:42:57,522 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 01:42:57,523 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 01:42:57,524 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 01:42:57,525 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 01:42:57,526 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 01:42:57,527 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 01:42:57,527 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 01:42:57,528 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 01:42:57,528 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 01:42:57,529 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 01:42:57,530 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 01:42:57,530 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 01:42:57,531 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 01:42:57,532 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 01:42:57,533 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 01:42:57,535 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 01:42:57,536 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 01:42:57,537 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 01:42:57,538 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 01:42:57,539 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 01:42:57,539 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 01:42:57,540 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 01:42:57,541 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 01:42:57,541 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 01:42:57,542 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 01:42:57,542 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 01:42:57,543 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 01:42:57,543 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 01:42:57,543 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 01:42:57,543 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 01:42:57,544 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 01:42:57,544 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 01:42:57,545 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 01:42:57,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 01:42:57,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 01:42:57,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 01:42:57,555 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 01:42:57,555 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 01:42:57,555 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 01:42:57,556 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 01:42:57,556 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 01:42:57,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 01:42:57,556 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 01:42:57,556 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 01:42:57,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 01:42:57,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 01:42:57,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 01:42:57,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 01:42:57,557 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 01:42:57,557 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 01:42:57,559 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 01:42:57,559 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 01:42:57,559 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 01:42:57,559 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 01:42:57,559 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 01:42:57,559 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 01:42:57,560 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 01:42:57,560 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 01:42:57,560 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 01:42:57,560 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 01:42:57,560 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 01:42:57,560 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 01:42:57,560 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 01:42:57,561 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 01:42:57,561 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 01:42:57,561 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_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:42:57,593 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 01:42:57,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 01:42:57,605 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 01:42:57,606 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 01:42:57,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 01:42:57,607 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 01:42:57,651 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/2571bf039/090299f95362433caf89e1fac6f594b4/FLAG6dc0f33aa [2018-11-10 01:42:57,966 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 01:42:57,966 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-10 01:42:57,971 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/2571bf039/090299f95362433caf89e1fac6f594b4/FLAG6dc0f33aa [2018-11-10 01:42:57,979 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/data/2571bf039/090299f95362433caf89e1fac6f594b4 [2018-11-10 01:42:57,982 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 01:42:57,983 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 01:42:57,983 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 01:42:57,983 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 01:42:57,986 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 01:42:57,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:42:57" (1/1) ... [2018-11-10 01:42:57,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@aa800e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:57, skipping insertion in model container [2018-11-10 01:42:57,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:42:57" (1/1) ... [2018-11-10 01:42:57,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 01:42:58,016 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 01:42:58,154 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:42:58,160 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 01:42:58,188 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 01:42:58,207 INFO L193 MainTranslator]: Completed translation [2018-11-10 01:42:58,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58 WrapperNode [2018-11-10 01:42:58,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 01:42:58,208 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 01:42:58,208 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 01:42:58,208 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 01:42:58,213 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,221 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,243 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 01:42:58,244 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 01:42:58,244 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 01:42:58,244 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 01:42:58,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,269 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... [2018-11-10 01:42:58,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 01:42:58,323 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 01:42:58,323 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 01:42:58,323 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 01:42:58,324 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:42:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 01:42:58,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 01:42:58,359 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 01:42:58,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 01:42:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-10 01:42:58,360 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-10 01:42:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 01:42:58,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 01:42:58,360 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 01:42:58,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 01:42:58,514 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:43:06,981 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:43:07,025 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:43:07,165 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 01:43:07,179 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 01:43:07,179 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:43:07 BoogieIcfgContainer [2018-11-10 01:43:07,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 01:43:07,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 01:43:07,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 01:43:07,182 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 01:43:07,182 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:42:57" (1/3) ... [2018-11-10 01:43:07,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e23bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:43:07, skipping insertion in model container [2018-11-10 01:43:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:42:58" (2/3) ... [2018-11-10 01:43:07,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23e23bab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:43:07, skipping insertion in model container [2018-11-10 01:43:07,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:43:07" (3/3) ... [2018-11-10 01:43:07,184 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-10 01:43:07,190 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 01:43:07,196 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 01:43:07,206 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 01:43:07,224 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 01:43:07,225 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 01:43:07,225 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 01:43:07,225 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 01:43:07,225 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 01:43:07,225 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 01:43:07,225 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 01:43:07,225 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 01:43:07,225 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 01:43:07,235 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-10 01:43:07,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 01:43:07,239 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:43:07,239 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:43:07,241 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:43:07,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:43:07,244 INFO L82 PathProgramCache]: Analyzing trace with hash 176501731, now seen corresponding path program 1 times [2018-11-10 01:43:07,247 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:43:07,247 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:43:07,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:43:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:43:07,369 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:43:07,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:43:07,385 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:43:07,400 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:43:07,400 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 01:43:07,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 01:43:07,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 01:43:07,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:43:07,412 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-10 01:43:07,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:43:07,430 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2018-11-10 01:43:07,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 01:43:07,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-10 01:43:07,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:43:07,438 INFO L225 Difference]: With dead ends: 90 [2018-11-10 01:43:07,439 INFO L226 Difference]: Without dead ends: 45 [2018-11-10 01:43:07,441 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 01:43:07,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-10 01:43:07,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-10 01:43:07,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-10 01:43:07,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-11-10 01:43:07,464 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 20 [2018-11-10 01:43:07,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:43:07,464 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-11-10 01:43:07,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 01:43:07,464 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-11-10 01:43:07,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 01:43:07,465 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:43:07,465 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:43:07,465 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:43:07,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:43:07,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1998576417, now seen corresponding path program 1 times [2018-11-10 01:43:07,466 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:43:07,466 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:43:07,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:43:07,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:43:07,568 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:43:07,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:43:07,926 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:43:07,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:43:07,942 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 01:43:07,943 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 01:43:07,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 01:43:07,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-10 01:43:07,944 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 9 states. [2018-11-10 01:43:08,315 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 01:43:18,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:43:18,175 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-11-10 01:43:18,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 01:43:18,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-10 01:43:18,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:43:18,177 INFO L225 Difference]: With dead ends: 56 [2018-11-10 01:43:18,178 INFO L226 Difference]: Without dead ends: 49 [2018-11-10 01:43:18,178 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-10 01:43:18,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-10 01:43:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2018-11-10 01:43:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-10 01:43:18,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2018-11-10 01:43:18,185 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 21 [2018-11-10 01:43:18,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:43:18,185 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-11-10 01:43:18,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 01:43:18,185 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-11-10 01:43:18,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 01:43:18,186 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:43:18,186 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:43:18,186 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:43:18,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:43:18,186 INFO L82 PathProgramCache]: Analyzing trace with hash -1088085187, now seen corresponding path program 1 times [2018-11-10 01:43:18,187 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:43:18,187 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:43:18,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:43:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:43:18,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:43:18,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:43:18,435 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:43:18,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:43:18,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-10 01:43:18,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 01:43:18,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 01:43:18,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-10 01:43:18,449 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 9 states. [2018-11-10 01:43:27,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:43:27,483 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-10 01:43:27,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 01:43:27,545 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-10 01:43:27,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:43:27,546 INFO L225 Difference]: With dead ends: 62 [2018-11-10 01:43:27,546 INFO L226 Difference]: Without dead ends: 46 [2018-11-10 01:43:27,547 INFO L605 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 [2018-11-10 01:43:27,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-10 01:43:27,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-11-10 01:43:27,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-10 01:43:27,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-11-10 01:43:27,552 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-11-10 01:43:27,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:43:27,552 INFO L481 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-11-10 01:43:27,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 01:43:27,552 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-11-10 01:43:27,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-10 01:43:27,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:43:27,553 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:43:27,553 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:43:27,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:43:27,553 INFO L82 PathProgramCache]: Analyzing trace with hash -632016691, now seen corresponding path program 1 times [2018-11-10 01:43:27,553 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:43:27,554 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:43:27,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:43:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:43:28,298 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:43:28,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:43:28,375 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:43:28,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:43:28,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 01:43:28,396 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 01:43:28,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 01:43:28,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 01:43:28,396 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 7 states. [2018-11-10 01:43:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:43:37,553 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-11-10 01:43:37,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 01:43:37,633 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-10 01:43:37,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:43:37,634 INFO L225 Difference]: With dead ends: 68 [2018-11-10 01:43:37,634 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 01:43:37,635 INFO L605 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 [2018-11-10 01:43:37,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 01:43:37,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-10 01:43:37,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 01:43:37,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-11-10 01:43:37,639 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 28 [2018-11-10 01:43:37,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:43:37,640 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-11-10 01:43:37,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 01:43:37,640 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-10 01:43:37,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 01:43:37,641 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:43:37,641 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:43:37,641 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:43:37,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:43:37,641 INFO L82 PathProgramCache]: Analyzing trace with hash -635042478, now seen corresponding path program 1 times [2018-11-10 01:43:37,642 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:43:37,642 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:43:37,645 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:43:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:43:38,441 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:43:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:43:38,526 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:43:38,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:43:38,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 01:43:38,542 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 01:43:38,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 01:43:38,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 01:43:38,543 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-11-10 01:43:50,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:43:50,531 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-11-10 01:43:50,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 01:43:50,596 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-10 01:43:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:43:50,597 INFO L225 Difference]: With dead ends: 65 [2018-11-10 01:43:50,597 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 01:43:50,597 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 01:43:50,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 01:43:50,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-10 01:43:50,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 01:43:50,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-11-10 01:43:50,601 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2018-11-10 01:43:50,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:43:50,601 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-11-10 01:43:50,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 01:43:50,602 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-11-10 01:43:50,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 01:43:50,602 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:43:50,602 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:43:50,602 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:43:50,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:43:50,603 INFO L82 PathProgramCache]: Analyzing trace with hash -1221848492, now seen corresponding path program 1 times [2018-11-10 01:43:50,603 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:43:50,603 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:43:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:43:51,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:43:51,611 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:43:51,824 INFO L303 Elim1Store]: Index analysis took 193 ms [2018-11-10 01:43:51,828 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 21 [2018-11-10 01:43:52,108 INFO L303 Elim1Store]: Index analysis took 279 ms [2018-11-10 01:43:52,108 INFO L477 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 [2018-11-10 01:43:52,109 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 01:43:52,342 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 01:43:52,578 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. [2018-11-10 01:43:52,578 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:15 [2018-11-10 01:43:55,145 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) c___ieee754_expf_~hi~0)) is different from true [2018-11-10 01:43:57,689 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 RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __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 [2018-11-10 01:43:59,767 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 RNE c_~one_exp~0 (let ((.cse0 (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __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 RNE (fp.div RNE (fp.mul RNE .cse0 __ieee754_expf_~c~0) (fp.sub RNE __ieee754_expf_~c~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-11-10 01:44:01,825 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 RNE c_~one_exp~0 (let ((.cse0 (fp.sub RNE (fp.sub RNE |c___ieee754_expf_#in~x| (fp.mul RNE __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 RNE (fp.div RNE (fp.mul RNE .cse0 __ieee754_expf_~c~0) (fp.sub RNE __ieee754_expf_~c~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-11-10 01:44:03,152 WARN L179 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-10 01:44:07,480 WARN L179 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-10 01:44:08,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:44:08,861 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:44:08,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:44:08,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 01:44:08,879 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 01:44:08,879 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 01:44:08,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=44, Unknown=5, NotChecked=42, Total=110 [2018-11-10 01:44:08,880 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 11 states. [2018-11-10 01:44:15,942 WARN L179 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 32 [2018-11-10 01:44:15,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:44:15,979 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-11-10 01:44:15,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 01:44:15,980 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-11-10 01:44:15,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:44:15,980 INFO L225 Difference]: With dead ends: 48 [2018-11-10 01:44:15,980 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 01:44:15,981 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 19.5s TimeCoverageRelationStatistics Valid=23, Invalid=56, Unknown=5, NotChecked=48, Total=132 [2018-11-10 01:44:15,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 01:44:15,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-10 01:44:15,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 01:44:15,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-11-10 01:44:15,984 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 29 [2018-11-10 01:44:15,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:44:15,984 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-11-10 01:44:15,984 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 01:44:15,984 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-11-10 01:44:15,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 01:44:15,985 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 01:44:15,985 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 01:44:15,985 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 01:44:15,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 01:44:15,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1085705119, now seen corresponding path program 1 times [2018-11-10 01:44:15,986 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 01:44:15,986 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/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 [2018-11-10 01:44:15,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 01:44:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 01:44:17,095 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 01:44:17,789 INFO L303 Elim1Store]: Index analysis took 677 ms [2018-11-10 01:44:17,790 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-11-10 01:44:19,053 INFO L303 Elim1Store]: Index analysis took 1263 ms [2018-11-10 01:44:19,054 INFO L477 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 [2018-11-10 01:44:19,055 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 01:44:20,217 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-10 01:44:21,368 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. [2018-11-10 01:44:21,369 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2018-11-10 01:44:23,930 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_4 (_ BitVec 32))) (= c___ieee754_expf_~k~0 ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE 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 [2018-11-10 01:44:31,113 WARN L179 SmtUtils]: Spent 594.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 01:44:31,129 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 01:44:31,130 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 01:44:31,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 01:44:31,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 01:44:31,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 01:44:31,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 01:44:31,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2018-11-10 01:44:31,152 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 6 states. [2018-11-10 01:45:04,436 WARN L179 SmtUtils]: Spent 4.39 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-10 01:45:07,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 01:45:07,508 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-11-10 01:45:07,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 01:45:07,529 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-11-10 01:45:07,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 01:45:07,529 INFO L225 Difference]: With dead ends: 41 [2018-11-10 01:45:07,529 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 01:45:07,530 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 16.0s TimeCoverageRelationStatistics Valid=13, Invalid=18, Unknown=3, NotChecked=8, Total=42 [2018-11-10 01:45:07,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 01:45:07,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 01:45:07,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 01:45:07,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 01:45:07,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-11-10 01:45:07,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 01:45:07,530 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 01:45:07,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 01:45:07,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 01:45:07,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 01:45:07,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 01:45:37,061 WARN L179 SmtUtils]: Spent 29.49 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-10 01:46:10,326 WARN L179 SmtUtils]: Spent 33.26 s on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-10 01:46:41,005 WARN L179 SmtUtils]: Spent 30.66 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-10 01:46:41,026 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-10 01:46:41,026 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-10 01:46:41,026 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-10 01:46:41,026 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 01:46:41,026 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-10 01:46:41,027 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ 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 (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~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)))) (_ bv0 32)))) (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ 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|))) (= (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|) (= (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) __ieee754_expf_~hx~0))))) [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-10 01:46:41,028 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ 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 (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~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)))) (_ bv0 32)))) (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ 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|))) (= (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|) (= (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) __ieee754_expf_~hx~0))))) [2018-11-10 01:46:41,028 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 01:46:41,029 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse1 (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)))) (let ((.cse0 (= .cse1 main_~x~0))) (or (and .cse0 (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= ((_ fp.to_sbv 32) RTZ (fp.add RNE (fp.mul RNE ~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)))) (_ bv0 32))))) (and (= main_~res~0 (fp.add RNE .cse1 .cse1)) .cse0)))) [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-11-10 01:46:41,029 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= (fp.div RNE (_ +zero 8 24) (_ +zero 8 24)) main_~x~0) [2018-11-10 01:46:41,029 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-10 01:46:41,030 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-10 01:46:41,034 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,035 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,035 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,035 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,037 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,038 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,039 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,042 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,042 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,042 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,042 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,043 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,043 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,043 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,043 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,043 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,044 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,045 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,045 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,045 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,046 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,047 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,047 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,047 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,048 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,048 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,049 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,050 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,051 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,051 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,052 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,053 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,055 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:46:41 BoogieIcfgContainer [2018-11-10 01:46:41,055 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 01:46:41,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 01:46:41,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 01:46:41,056 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 01:46:41,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:43:07" (3/4) ... [2018-11-10 01:46:41,059 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 01:46:41,063 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-10 01:46:41,064 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-10 01:46:41,064 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 01:46:41,064 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 01:46:41,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 112 nodes and edges [2018-11-10 01:46:41,071 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-10 01:46:41,072 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 01:46:41,072 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 01:46:41,090 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 01:46:41,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 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 :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))) == 0bv32))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[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) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) [2018-11-10 01:46:41,091 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 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 :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))) == 0bv32))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[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) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) [2018-11-10 01:46:41,127 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f1b99be-9d99-49b2-83d1-890ed99db1b6/bin-2019/utaipan/witness.graphml [2018-11-10 01:46:41,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 01:46:41,128 INFO L168 Benchmark]: Toolchain (without parser) took 223145.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.6 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -193.7 MB). Peak memory consumption was 2.9 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:41,128 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:46:41,129 INFO L168 Benchmark]: CACSL2BoogieTranslator took 224.39 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:41,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:41,129 INFO L168 Benchmark]: Boogie Preprocessor took 78.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 929.4 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:41,129 INFO L168 Benchmark]: RCFGBuilder took 8857.15 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:41,130 INFO L168 Benchmark]: TraceAbstraction took 213874.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 01:46:41,130 INFO L168 Benchmark]: Witness Printer took 71.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-10 01:46:41,131 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 224.39 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 934.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.66 ms. Allocated memory is still 1.0 GB. Free memory was 934.7 MB in the beginning and 929.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 78.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 133.7 MB). Free memory was 929.4 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8857.15 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: 40.2 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 213874.79 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 62.9 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -86.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 71.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_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 RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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 RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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 RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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 RoundingMode_RTZ - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[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] * 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 [2018-11-10 01:46:41,135 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,136 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,137 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,138 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,139 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,140 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,140 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,140 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,140 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,140 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,140 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 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 :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))) == 0bv32))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[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) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-11-10 01:46:41,141 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,141 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,141 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,142 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,143 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,144 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RTZ [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,145 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 01:46:41,146 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: ((\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 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 :: !(~convertFLOATToINT(RoundingMode_RTZ, ~fp.add~FLOAT(RoundingMode_RNE, ~fp.mul~FLOAT(RoundingMode_RNE, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))) == 0bv32))) || (((\exists __ieee754_expf_~sx~0 : bv32 :: ~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 1065686418bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[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) && ~bvand32(__ieee754_expf_~sx~0, 2147483647bv32) == hx)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 213.8s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 84.1s AutomataDifference, 0.0s DeadEndRemovalTime, 93.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 232 SDslu, 1009 SDs, 0 SdLazy, 260 SolverSat, 7 SolverUnsat, 26 SolverUnknown, 0 SolverNotchecked, 68.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 198 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 36.9s 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, 93.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 32.2s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 178 ConstructedInterpolants, 41 QuantifiedInterpolants, 36040 SizeOfPredicates, 45 NumberOfNonLiveVariables, 1080 ConjunctsInSsa, 59 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...