./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 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 0.1.23-5842f4b [2018-11-18 10:43:50,310 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:43:50,311 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:43:50,318 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:43:50,318 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:43:50,318 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:43:50,319 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:43:50,320 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:43:50,321 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:43:50,322 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:43:50,323 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:43:50,323 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:43:50,323 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:43:50,324 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:43:50,325 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:43:50,325 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:43:50,326 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:43:50,327 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:43:50,328 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:43:50,330 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:43:50,330 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:43:50,331 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:43:50,333 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:43:50,333 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:43:50,333 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:43:50,334 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:43:50,334 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:43:50,335 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:43:50,336 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:43:50,336 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:43:50,336 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:43:50,337 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:43:50,337 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:43:50,337 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:43:50,338 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:43:50,338 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:43:50,339 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:43:50,349 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:43:50,349 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:43:50,349 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:43:50,350 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:43:50,350 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:43:50,351 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:43:50,351 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:43:50,351 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:43:50,351 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:43:50,351 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:43:50,352 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:43:50,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:43:50,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:43:50,353 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:43:50,353 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:43:50,353 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:43:50,353 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:43:50,353 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:43:50,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:43:50,354 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:43:50,354 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:43:50,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:43:50,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:43:50,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:43:50,354 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_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:43:50,376 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:43:50,384 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:43:50,386 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:43:50,387 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:43:50,387 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:43:50,388 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 10:43:50,423 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/187a886c5/b08382c19a8d4fbe85e96049090dbeab/FLAGf33ba773c [2018-11-18 10:43:50,727 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:43:50,727 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 10:43:50,732 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/187a886c5/b08382c19a8d4fbe85e96049090dbeab/FLAGf33ba773c [2018-11-18 10:43:50,741 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/187a886c5/b08382c19a8d4fbe85e96049090dbeab [2018-11-18 10:43:50,743 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:43:50,744 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:43:50,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:50,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:43:50,747 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:43:50,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efa4a5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50, skipping insertion in model container [2018-11-18 10:43:50,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,757 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:43:50,771 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:43:50,891 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:50,897 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:43:50,918 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:50,931 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:43:50,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50 WrapperNode [2018-11-18 10:43:50,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:50,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:43:50,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:43:50,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:43:50,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,982 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,988 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:43:50,988 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:43:50,989 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:43:50,989 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:43:50,995 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,995 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,998 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:50,998 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:51,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:51,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:51,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... [2018-11-18 10:43:51,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:43:51,019 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:43:51,019 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:43:51,020 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:43:51,020 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-18 10:43:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:43:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 10:43:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:43:51,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:43:51,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 10:43:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:43:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:43:51,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:43:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 10:43:51,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:43:51,325 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:43:51,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:51 BoogieIcfgContainer [2018-11-18 10:43:51,325 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:43:51,326 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:43:51,326 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:43:51,328 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:43:51,329 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:43:50" (1/3) ... [2018-11-18 10:43:51,329 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1105100b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:43:51, skipping insertion in model container [2018-11-18 10:43:51,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:50" (2/3) ... [2018-11-18 10:43:51,330 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1105100b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:43:51, skipping insertion in model container [2018-11-18 10:43:51,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:51" (3/3) ... [2018-11-18 10:43:51,331 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-18 10:43:51,339 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:43:51,346 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:43:51,360 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:43:51,387 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:43:51,387 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:43:51,387 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:43:51,388 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:43:51,388 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:43:51,388 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:43:51,388 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:43:51,388 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:43:51,403 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-11-18 10:43:51,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:43:51,409 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:51,409 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:51,411 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:51,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:51,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1963163641, now seen corresponding path program 1 times [2018-11-18 10:43:51,418 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:43:51,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:51,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:51,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:51,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:43:51,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:43:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:43:51,550 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:43:51,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:43:51,550 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:43:51,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:43:51,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:43:51,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:43:51,567 INFO L87 Difference]: Start difference. First operand 50 states. Second operand 2 states. [2018-11-18 10:43:51,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:43:51,587 INFO L93 Difference]: Finished difference Result 92 states and 134 transitions. [2018-11-18 10:43:51,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:43:51,588 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-18 10:43:51,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:43:51,597 INFO L225 Difference]: With dead ends: 92 [2018-11-18 10:43:51,597 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 10:43:51,599 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:43:51,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 10:43:51,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-11-18 10:43:51,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-11-18 10:43:51,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2018-11-18 10:43:51,624 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 21 [2018-11-18 10:43:51,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:43:51,624 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2018-11-18 10:43:51,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:43:51,624 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2018-11-18 10:43:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 10:43:51,625 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:43:51,625 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:43:51,625 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:43:51,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:43:51,626 INFO L82 PathProgramCache]: Analyzing trace with hash 811236613, now seen corresponding path program 1 times [2018-11-18 10:43:51,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:43:51,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:51,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:43:51,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:43:51,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:43:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:43:51,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 10:43:51,703 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 10:43:51,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:43:51 BoogieIcfgContainer [2018-11-18 10:43:51,737 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:43:51,737 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:43:51,737 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:43:51,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:43:51,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:43:51" (3/4) ... [2018-11-18 10:43:51,741 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 10:43:51,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:43:51,741 INFO L168 Benchmark]: Toolchain (without parser) took 998.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -111.3 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:51,742 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:43:51,743 INFO L168 Benchmark]: CACSL2BoogieTranslator took 187.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:51,743 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:51,743 INFO L168 Benchmark]: Boogie Preprocessor took 30.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:51,744 INFO L168 Benchmark]: RCFGBuilder took 306.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:51,744 INFO L168 Benchmark]: TraceAbstraction took 410.83 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-18 10:43:51,744 INFO L168 Benchmark]: Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:43:51,747 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 187.54 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 945.7 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -192.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 306.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 410.83 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.55 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=35, \old(halF_exp)=15, \old(huge_exp)=28, \old(invln2_exp)=11, \old(ln2HI_exp)=33, \old(ln2HI_exp)=9, \old(ln2LO_exp)=34, \old(ln2LO_exp)=18, \old(one_exp)=23, \old(P1_exp)=14, \old(P2_exp)=16, \old(P3_exp)=20, \old(P4_exp)=22, \old(P5_exp)=21, \old(twom100_exp)=10, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, 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={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=29, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [\old(x)=29, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] [L42] FCALL ieee_float_shape_type gf_u; [L43] FCALL gf_u.value = (x) [L44] EXPR, FCALL gf_u.word [L44] (sx) = gf_u.word [L45] COND FALSE !(0) VAL [\old(x)=29, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=29, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [\old(x)=29, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=3, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] [L117] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=27, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] [L117] float res = __ieee754_expf(x); [L120] CALL, EXPR isnan_float(res) VAL [\old(x)=27, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, 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)=27, \result=0, halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=27] [L120] EXPR isnan_float(res) VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isnan_float(res)=0, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=27, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] [L120] COND TRUE !isnan_float(res) [L121] __VERIFIER_error() VAL [halF_exp={13:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, ln2LO_exp={19:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=27, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=29] - 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 0.1.23-5842f4b [2018-11-18 10:43:53,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:43:53,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:43:53,225 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:43:53,226 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:43:53,226 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:43:53,227 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:43:53,228 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:43:53,230 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:43:53,230 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:43:53,231 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:43:53,231 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:43:53,231 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:43:53,232 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:43:53,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:43:53,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:43:53,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:43:53,234 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:43:53,236 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:43:53,237 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:43:53,238 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:43:53,238 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:43:53,240 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:43:53,240 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:43:53,240 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:43:53,240 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:43:53,241 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:43:53,241 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:43:53,242 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:43:53,242 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:43:53,243 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:43:53,243 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:43:53,243 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:43:53,243 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:43:53,244 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:43:53,245 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:43:53,245 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 10:43:53,254 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:43:53,254 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:43:53,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:43:53,255 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:43:53,255 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:43:53,256 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:43:53,256 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:43:53,256 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:43:53,256 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:43:53,256 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:43:53,257 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:43:53,257 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:43:53,257 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:43:53,257 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:43:53,257 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:43:53,257 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:43:53,257 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:43:53,258 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:43:53,258 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:43:53,259 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:43:53,259 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:43:53,259 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:43:53,259 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:43:53,259 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:43:53,259 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:43:53,259 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 10:43:53,260 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:43:53,260 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 10:43:53,260 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 10:43:53,260 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_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:43:53,292 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:43:53,301 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:43:53,304 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:43:53,305 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:43:53,305 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:43:53,306 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 10:43:53,354 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/dc11b7c13/1b6ece408edb4db9b422eaf9b88c4a1e/FLAGfad182762 [2018-11-18 10:43:53,697 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:43:53,697 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/sv-benchmarks/c/float-newlib/float_req_bl_0831_true-unreach-call.c [2018-11-18 10:43:53,703 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/dc11b7c13/1b6ece408edb4db9b422eaf9b88c4a1e/FLAGfad182762 [2018-11-18 10:43:53,711 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/data/dc11b7c13/1b6ece408edb4db9b422eaf9b88c4a1e [2018-11-18 10:43:53,713 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:43:53,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:43:53,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:53,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:43:53,718 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:43:53,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:53,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@205badb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53, skipping insertion in model container [2018-11-18 10:43:53,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:53,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:43:53,742 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:43:53,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:53,892 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:43:53,923 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:43:53,942 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:43:53,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53 WrapperNode [2018-11-18 10:43:53,943 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:43:53,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:43:53,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:43:53,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:43:53,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:53,959 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:53,966 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:43:53,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:43:53,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:43:53,966 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:43:54,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,025 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,025 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,038 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,046 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... [2018-11-18 10:43:54,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:43:54,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:43:54,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:43:54,049 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:43:54,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:43:54,083 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-18 10:43:54,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-18 10:43:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:43:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:43:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 10:43:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 10:43:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 10:43:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:43:54,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:43:54,084 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:43:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 10:43:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2018-11-18 10:43:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:43:54,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:43:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 10:43:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 10:43:54,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 10:43:54,221 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:44:02,850 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:44:02,885 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:44:02,989 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 10:44:03,011 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:44:03,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:44:03 BoogieIcfgContainer [2018-11-18 10:44:03,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:44:03,012 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:44:03,012 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:44:03,014 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:44:03,014 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:43:53" (1/3) ... [2018-11-18 10:44:03,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13101503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:44:03, skipping insertion in model container [2018-11-18 10:44:03,015 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:43:53" (2/3) ... [2018-11-18 10:44:03,015 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13101503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:44:03, skipping insertion in model container [2018-11-18 10:44:03,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:44:03" (3/3) ... [2018-11-18 10:44:03,017 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0831_true-unreach-call.c [2018-11-18 10:44:03,024 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:44:03,029 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:44:03,040 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:44:03,061 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 10:44:03,062 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:44:03,062 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:44:03,062 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:44:03,062 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:44:03,062 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:44:03,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:44:03,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:44:03,063 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:44:03,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-11-18 10:44:03,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-18 10:44:03,080 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:44:03,081 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:44:03,083 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:44:03,087 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:44:03,087 INFO L82 PathProgramCache]: Analyzing trace with hash 176501731, now seen corresponding path program 1 times [2018-11-18 10:44:03,090 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:44:03,091 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:44:03,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:44:03,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:44:03,230 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:44:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:44:03,244 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:44:03,255 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:44:03,255 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:44:03,258 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:44:03,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:44:03,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:44:03,269 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-11-18 10:44:03,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:44:03,289 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2018-11-18 10:44:03,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:44:03,290 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-11-18 10:44:03,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:44:03,300 INFO L225 Difference]: With dead ends: 90 [2018-11-18 10:44:03,300 INFO L226 Difference]: Without dead ends: 45 [2018-11-18 10:44:03,303 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:44:03,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-18 10:44:03,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-11-18 10:44:03,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 10:44:03,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-11-18 10:44:03,335 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 20 [2018-11-18 10:44:03,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:44:03,335 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-11-18 10:44:03,335 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:44:03,335 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-11-18 10:44:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 10:44:03,336 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:44:03,337 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:44:03,337 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:44:03,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:44:03,338 INFO L82 PathProgramCache]: Analyzing trace with hash 1998576417, now seen corresponding path program 1 times [2018-11-18 10:44:03,338 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:44:03,338 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:44:03,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:44:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:44:03,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:44:04,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:44:04,205 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:44:04,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:44:04,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:44:04,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:44:04,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:44:04,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:44:04,218 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand 9 states. [2018-11-18 10:44:04,618 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-18 10:44:15,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:44:15,612 INFO L93 Difference]: Finished difference Result 56 states and 66 transitions. [2018-11-18 10:44:15,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:44:15,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-11-18 10:44:15,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:44:15,614 INFO L225 Difference]: With dead ends: 56 [2018-11-18 10:44:15,614 INFO L226 Difference]: Without dead ends: 49 [2018-11-18 10:44:15,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:44:15,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-11-18 10:44:15,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2018-11-18 10:44:15,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-11-18 10:44:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 54 transitions. [2018-11-18 10:44:15,621 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 54 transitions. Word has length 21 [2018-11-18 10:44:15,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:44:15,621 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 54 transitions. [2018-11-18 10:44:15,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:44:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2018-11-18 10:44:15,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-18 10:44:15,622 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:44:15,622 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:44:15,622 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:44:15,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:44:15,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1088085187, now seen corresponding path program 1 times [2018-11-18 10:44:15,623 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:44:15,623 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:44:15,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:44:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:44:15,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:44:15,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:44:15,865 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:44:15,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:44:15,874 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:44:15,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:44:15,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:44:15,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:44:15,875 INFO L87 Difference]: Start difference. First operand 45 states and 54 transitions. Second operand 9 states. [2018-11-18 10:44:24,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:44:24,808 INFO L93 Difference]: Finished difference Result 62 states and 70 transitions. [2018-11-18 10:44:24,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 10:44:24,875 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-11-18 10:44:24,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:44:24,876 INFO L225 Difference]: With dead ends: 62 [2018-11-18 10:44:24,876 INFO L226 Difference]: Without dead ends: 46 [2018-11-18 10:44:24,877 INFO L604 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 [2018-11-18 10:44:24,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-18 10:44:24,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2018-11-18 10:44:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-11-18 10:44:24,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2018-11-18 10:44:24,882 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 23 [2018-11-18 10:44:24,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:44:24,882 INFO L480 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2018-11-18 10:44:24,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:44:24,883 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2018-11-18 10:44:24,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-11-18 10:44:24,883 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:44:24,884 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] [2018-11-18 10:44:24,884 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:44:24,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:44:24,884 INFO L82 PathProgramCache]: Analyzing trace with hash -632016691, now seen corresponding path program 1 times [2018-11-18 10:44:24,884 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:44:24,884 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:44:24,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:44:25,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:44:25,599 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:44:25,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:44:25,684 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:44:25,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:44:25,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:44:25,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:44:25,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:44:25,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:44:25,705 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 7 states. [2018-11-18 10:44:34,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:44:34,416 INFO L93 Difference]: Finished difference Result 68 states and 73 transitions. [2018-11-18 10:44:34,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:44:34,484 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-11-18 10:44:34,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:44:34,485 INFO L225 Difference]: With dead ends: 68 [2018-11-18 10:44:34,485 INFO L226 Difference]: Without dead ends: 43 [2018-11-18 10:44:34,485 INFO L604 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 [2018-11-18 10:44:34,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-18 10:44:34,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-18 10:44:34,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 10:44:34,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-11-18 10:44:34,489 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 28 [2018-11-18 10:44:34,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:44:34,489 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-11-18 10:44:34,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:44:34,490 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-18 10:44:34,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:44:34,490 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:44:34,491 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] [2018-11-18 10:44:34,491 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:44:34,491 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:44:34,491 INFO L82 PathProgramCache]: Analyzing trace with hash -635042478, now seen corresponding path program 1 times [2018-11-18 10:44:34,492 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:44:34,492 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:44:34,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:44:35,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:44:35,236 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:44:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:44:35,307 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:44:35,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:44:35,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:44:35,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:44:35,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:44:35,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:44:35,322 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-11-18 10:44:47,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:44:47,786 INFO L93 Difference]: Finished difference Result 65 states and 68 transitions. [2018-11-18 10:44:47,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:44:47,865 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-11-18 10:44:47,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:44:47,866 INFO L225 Difference]: With dead ends: 65 [2018-11-18 10:44:47,866 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 10:44:47,867 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:44:47,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 10:44:47,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-18 10:44:47,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 10:44:47,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2018-11-18 10:44:47,870 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 29 [2018-11-18 10:44:47,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:44:47,870 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2018-11-18 10:44:47,871 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:44:47,871 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2018-11-18 10:44:47,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-18 10:44:47,871 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:44:47,871 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:44:47,872 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:44:47,872 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:44:47,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1221848492, now seen corresponding path program 1 times [2018-11-18 10:44:47,872 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:44:47,872 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:44:47,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:44:48,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:44:48,955 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:44:49,232 INFO L303 Elim1Store]: Index analysis took 253 ms [2018-11-18 10:44:49,235 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 [2018-11-18 10:44:49,422 INFO L303 Elim1Store]: Index analysis took 185 ms [2018-11-18 10:44:49,422 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 [2018-11-18 10:44:49,423 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 10:44:49,720 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 10:44:49,933 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. [2018-11-18 10:44:49,934 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:27, output treesize:15 [2018-11-18 10:44:52,385 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= c___ieee754_expf_~hi~0 (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))))) is different from true [2018-11-18 10:45:01,228 WARN L180 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 15 [2018-11-18 10:45:03,302 WARN L832 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from false [2018-11-18 10:45:05,352 WARN L854 $PredicateComparison]: unable to prove that (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|)) is different from true [2018-11-18 10:45:08,509 WARN L180 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 10:45:14,267 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2018-11-18 10:45:19,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:45:19,540 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:45:19,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:45:19,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-18 10:45:19,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 10:45:19,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 10:45:19,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=53, Unknown=7, NotChecked=30, Total=110 [2018-11-18 10:45:19,558 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 11 states. [2018-11-18 10:45:30,455 WARN L832 $PredicateComparison]: unable to prove that (and (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|))) is different from false [2018-11-18 10:45:32,519 WARN L854 $PredicateComparison]: unable to prove that (and (exists ((__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0) c___ieee754_expf_~x)) (exists ((__ieee754_expf_~c~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~t~0 (_ FloatingPoint 8 24)) (__ieee754_expf_~lo~0 (_ FloatingPoint 8 24)) (v_arrayElimCell_2 (_ BitVec 32))) (= (fp.sub roundNearestTiesToEven c_~one_exp~0 (let ((.cse0 (fp.sub roundNearestTiesToEven (fp.sub roundNearestTiesToEven |c___ieee754_expf_#in~x| (fp.mul roundNearestTiesToEven __ieee754_expf_~t~0 (fp ((_ extract 31 31) v_arrayElimCell_2) ((_ extract 30 23) v_arrayElimCell_2) ((_ extract 22 0) v_arrayElimCell_2)))) __ieee754_expf_~lo~0))) (fp.sub roundNearestTiesToEven (fp.div roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 __ieee754_expf_~c~0) (fp.sub roundNearestTiesToEven __ieee754_expf_~c~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 2.0)))) .cse0))) |c___ieee754_expf_#res|))) is different from true [2018-11-18 10:45:47,850 WARN L180 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 32 [2018-11-18 10:45:49,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:45:49,895 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-11-18 10:45:49,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:45:49,895 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 29 [2018-11-18 10:45:49,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:45:49,896 INFO L225 Difference]: With dead ends: 48 [2018-11-18 10:45:49,896 INFO L226 Difference]: Without dead ends: 41 [2018-11-18 10:45:49,896 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 39.3s TimeCoverageRelationStatistics Valid=26, Invalid=66, Unknown=10, NotChecked=54, Total=156 [2018-11-18 10:45:49,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-18 10:45:49,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-18 10:45:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-18 10:45:49,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-11-18 10:45:49,899 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 29 [2018-11-18 10:45:49,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:45:49,899 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-11-18 10:45:49,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 10:45:49,899 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-11-18 10:45:49,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-18 10:45:49,900 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:45:49,900 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] [2018-11-18 10:45:49,900 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:45:49,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:45:49,900 INFO L82 PathProgramCache]: Analyzing trace with hash -1085705119, now seen corresponding path program 1 times [2018-11-18 10:45:49,901 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 10:45:49,901 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/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 [2018-11-18 10:45:49,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:45:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:45:50,948 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:45:51,215 INFO L303 Elim1Store]: Index analysis took 253 ms [2018-11-18 10:45:51,215 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 [2018-11-18 10:45:51,479 INFO L303 Elim1Store]: Index analysis took 263 ms [2018-11-18 10:45:51,480 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 [2018-11-18 10:45:51,480 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 10:45:53,037 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-11-18 10:45:54,020 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. [2018-11-18 10:45:54,020 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:41, output treesize:17 [2018-11-18 10:45:56,661 WARN L854 $PredicateComparison]: unable to prove that (exists ((v_arrayElimCell_4 (_ BitVec 32))) (= c___ieee754_expf_~k~0 ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven c_~invln2_exp~0 |c___ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))) is different from true [2018-11-18 10:46:03,412 WARN L180 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 10:46:03,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:46:03,427 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 10:46:03,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:46:03,445 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:46:03,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:46:03,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:46:03,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=12, Unknown=3, NotChecked=6, Total=30 [2018-11-18 10:46:03,446 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 6 states. [2018-11-18 10:46:36,804 WARN L180 SmtUtils]: Spent 4.11 s on a formula simplification that was a NOOP. DAG size: 21 [2018-11-18 10:46:39,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:46:40,000 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-11-18 10:46:40,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:46:40,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-11-18 10:46:40,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:46:40,023 INFO L225 Difference]: With dead ends: 41 [2018-11-18 10:46:40,023 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:46:40,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.5s TimeCoverageRelationStatistics Valid=13, Invalid=18, Unknown=3, NotChecked=8, Total=42 [2018-11-18 10:46:40,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:46:40,024 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:46:40,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:46:40,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:46:40,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2018-11-18 10:46:40,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:46:40,024 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:46:40,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:46:40,025 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:46:40,025 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:46:40,029 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:47:10,276 WARN L180 SmtUtils]: Spent 30.20 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-18 10:47:44,567 WARN L180 SmtUtils]: Spent 34.29 s on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-18 10:48:15,779 WARN L180 SmtUtils]: Spent 31.20 s on a formula simplification that was a NOOP. DAG size: 39 [2018-11-18 10:48:15,785 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-11-18 10:48:15,785 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-11-18 10:48:15,785 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-11-18 10:48:15,785 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-18 10:48:15,786 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-18 10:48:15,787 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-18 10:48:15,787 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-18 10:48:15,787 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-18 10:48:15,787 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-18 10:48:15,787 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-18 10:48:15,787 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-18 10:48:15,788 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-11-18 10:48:15,788 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-18 10:48:15,789 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-18 10:48:15,789 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-18 10:48:15,789 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-18 10:48:15,789 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-18 10:48:15,789 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-18 10:48:15,789 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (and (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= __ieee754_expf_~hx~0 (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0)) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (bvult (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1065686418 32)))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (bvugt (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv1051816472 32))) (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|))) (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4)))))))) [2018-11-18 10:48:15,789 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:48:15,790 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:48:15,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:48:15,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:48:15,790 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 10:48:15,790 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:48:15,790 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:48:15,790 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 126) the Hoare annotation is: true [2018-11-18 10:48:15,790 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 126) no Hoare annotation was computed. [2018-11-18 10:48:15,790 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 10:48:15,791 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 126) no Hoare annotation was computed. [2018-11-18 10:48:15,791 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse1 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (let ((.cse0 (= main_~x~0 .cse1))) (or (and (exists ((v_arrayElimCell_4 (_ BitVec 32))) (not (= (_ bv0 32) ((_ fp.to_sbv 32) roundTowardZero (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven ~invln2_exp~0 |__ieee754_expf_#in~x|) (fp ((_ extract 31 31) v_arrayElimCell_4) ((_ extract 30 23) v_arrayElimCell_4) ((_ extract 22 0) v_arrayElimCell_4))))))) .cse0) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse1 .cse1)) .cse0)))) [2018-11-18 10:48:15,791 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-11-18 10:48:15,791 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-18 10:48:15,791 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-18 10:48:15,791 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-18 10:48:15,798 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,808 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,809 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,810 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,814 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,814 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,814 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,814 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,815 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,820 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,821 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,822 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,823 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,823 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,823 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,823 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,825 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,826 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,827 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,827 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,827 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,827 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,828 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,829 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,830 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,830 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,830 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,830 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,831 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:48:15 BoogieIcfgContainer [2018-11-18 10:48:15,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:48:15,833 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:48:15,833 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:48:15,834 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:48:15,834 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:44:03" (3/4) ... [2018-11-18 10:48:15,840 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:48:15,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-18 10:48:15,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-18 10:48:15,845 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:48:15,846 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:48:15,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 10:48:15,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:48:15,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-18 10:48:15,850 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 10:48:15,851 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 10:48:15,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-18 10:48:15,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-11-18 10:48:15,868 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) [2018-11-18 10:48:15,889 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff04b840-c15d-49ac-91d1-8fa02e593470/bin-2019/utaipan/witness.graphml [2018-11-18 10:48:15,889 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:48:15,890 INFO L168 Benchmark]: Toolchain (without parser) took 262176.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.2 MB). Free memory was 949.2 MB in the beginning and 1.2 GB in the end (delta: -217.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:15,890 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:15,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 228.22 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:15,891 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.48 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:15,891 INFO L168 Benchmark]: Boogie Preprocessor took 82.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:15,891 INFO L168 Benchmark]: RCFGBuilder took 8962.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:15,892 INFO L168 Benchmark]: TraceAbstraction took 252820.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.8 MB). Peak memory consumption was 304.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:15,892 INFO L168 Benchmark]: Witness Printer took 56.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:15,896 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 228.22 ms. Allocated memory is still 1.0 GB. Free memory was 949.2 MB in the beginning and 933.1 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 22.48 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -172.4 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8962.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.5 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 252820.79 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 68.7 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -99.8 MB). Peak memory consumption was 304.9 MB. Max. memory is 11.5 GB. * Witness Printer took 56.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 97]: Loop Invariant [2018-11-18 10:48:15,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,900 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,901 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,902 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,903 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,904 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,905 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,905 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,905 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,905 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-11-18 10:48:15,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,906 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,907 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,908 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,909 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,909 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,909 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,909 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,909 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,910 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundTowardZero [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] [2018-11-18 10:48:15,911 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_arrayElimCell_4,QUANTIFIED] Derived loop invariant: ((((\exists __ieee754_expf_~sx~0 : bv32 :: hx == ~bvand32(2147483647bv32, __ieee754_expf_~sx~0) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) && (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && ~bvult32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1065686418bv32))) && ~fp~LONGDOUBLE(sx[31:31], sx[30:23], sx[22:0]) == \old(x)) || (\exists __ieee754_expf_~sx~0 : bv32 :: !~bvugt32(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 1051816472bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x))) || (\exists v_arrayElimCell_4 : bv32 :: !(0bv32 == ~convertFLOATToINT(~roundTowardZero, ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.mul~FLOAT(~roundNearestTiesToEven, invln2_exp, \old(x)), ~fp~LONGDOUBLE(v_arrayElimCell_4[31:31], v_arrayElimCell_4[30:23], v_arrayElimCell_4[22:0]))))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. SAFE Result, 252.7s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 108.6s AutomataDifference, 0.0s DeadEndRemovalTime, 95.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 277 SDtfs, 241 SDslu, 1035 SDs, 0 SdLazy, 267 SolverSat, 7 SolverUnsat, 34 SolverUnknown, 0 SolverNotchecked, 86.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 4 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 55.6s 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, 95.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 44.3s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 178 ConstructedInterpolants, 41 QuantifiedInterpolants, 36040 SizeOfPredicates, 33 NumberOfNonLiveVariables, 863 ConjunctsInSsa, 50 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...