./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 22:08:57,406 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 22:08:57,407 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 22:08:57,417 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 22:08:57,417 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:08:57,418 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:08:57,418 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:08:57,419 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:08:57,420 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:08:57,421 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:08:57,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:08:57,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:08:57,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:08:57,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:08:57,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:08:57,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:08:57,426 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:08:57,427 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:08:57,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:08:57,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:08:57,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:08:57,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:08:57,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:08:57,433 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:08:57,434 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:08:57,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:08:57,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:08:57,435 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:08:57,436 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:08:57,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:08:57,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:08:57,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:08:57,437 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:08:57,437 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:08:57,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:08:57,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:08:57,438 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 22:08:57,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:08:57,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:08:57,448 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:08:57,448 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:08:57,448 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:08:57,448 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:08:57,448 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:08:57,449 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 22:08:57,449 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:08:57,449 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:08:57,449 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 22:08:57,449 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 22:08:57,449 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:08:57,450 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:08:57,450 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:08:57,450 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 22:08:57,450 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:08:57,451 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:08:57,451 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:08:57,451 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:08:57,451 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:08:57,451 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:08:57,451 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:08:57,452 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:08:57,452 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:08:57,452 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:08:57,452 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:08:57,452 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:08:57,452 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:08:57,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:08:57,453 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:08:57,453 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:08:57,453 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:08:57,453 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 22:08:57,453 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:08:57,453 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 22:08:57,454 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 22:08:57,454 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_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 -> 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 [2018-11-22 22:08:57,480 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:08:57,490 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:08:57,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:08:57,494 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:08:57,495 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:08:57,495 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:08:57,548 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/b3ab6dffb/e6d800d18f904152b68ffd98c96d2e7d/FLAGa969e4c10 [2018-11-22 22:08:57,870 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:08:57,871 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:08:57,875 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/b3ab6dffb/e6d800d18f904152b68ffd98c96d2e7d/FLAGa969e4c10 [2018-11-22 22:08:58,303 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/b3ab6dffb/e6d800d18f904152b68ffd98c96d2e7d [2018-11-22 22:08:58,305 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:08:58,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:08:58,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:08:58,308 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:08:58,311 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:08:58,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548675f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58, skipping insertion in model container [2018-11-22 22:08:58,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:08:58,339 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:08:58,478 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:08:58,480 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:08:58,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:08:58,514 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:08:58,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58 WrapperNode [2018-11-22 22:08:58,515 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:08:58,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:08:58,516 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:08:58,516 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:08:58,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,529 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,534 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:08:58,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:08:58,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:08:58,535 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:08:58,542 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,601 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... [2018-11-22 22:08:58,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:08:58,605 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:08:58,605 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:08:58,605 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:08:58,606 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 [2018-11-22 22:08:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:08:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:08:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-22 22:08:58,657 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-22 22:08:58,657 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-22 22:08:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-22 22:08:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:08:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:08:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-22 22:08:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:08:58,658 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-22 22:08:58,658 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-22 22:08:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:08:58,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:08:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-22 22:08:58,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:08:58,857 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:08:58,857 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-22 22:08:58,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:08:58 BoogieIcfgContainer [2018-11-22 22:08:58,857 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:08:58,858 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:08:58,858 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:08:58,860 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:08:58,861 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:08:58" (1/3) ... [2018-11-22 22:08:58,861 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d83a0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:08:58, skipping insertion in model container [2018-11-22 22:08:58,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:08:58" (2/3) ... [2018-11-22 22:08:58,862 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d83a0cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:08:58, skipping insertion in model container [2018-11-22 22:08:58,862 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:08:58" (3/3) ... [2018-11-22 22:08:58,864 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1051_true-unreach-call.c [2018-11-22 22:08:58,874 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:08:58,882 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:08:58,899 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:08:58,932 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:08:58,932 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:08:58,932 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:08:58,933 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:08:58,933 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:08:58,933 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:08:58,933 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:08:58,933 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:08:58,951 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-11-22 22:08:58,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 22:08:58,958 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:08:58,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:08:58,961 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:08:58,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:08:58,968 INFO L82 PathProgramCache]: Analyzing trace with hash -971358766, now seen corresponding path program 1 times [2018-11-22 22:08:58,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:08:59,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:08:59,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:08:59,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:08:59,017 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:08:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:08:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:08:59,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:08:59,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:08:59,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 22:08:59,110 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:08:59,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:08:59,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:08:59,123 INFO L87 Difference]: Start difference. First operand 39 states. Second operand 2 states. [2018-11-22 22:08:59,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:08:59,138 INFO L93 Difference]: Finished difference Result 70 states and 96 transitions. [2018-11-22 22:08:59,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:08:59,140 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-22 22:08:59,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:08:59,151 INFO L225 Difference]: With dead ends: 70 [2018-11-22 22:08:59,151 INFO L226 Difference]: Without dead ends: 35 [2018-11-22 22:08:59,155 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:08:59,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-22 22:08:59,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-11-22 22:08:59,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-11-22 22:08:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 43 transitions. [2018-11-22 22:08:59,186 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 43 transitions. Word has length 22 [2018-11-22 22:08:59,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:08:59,186 INFO L480 AbstractCegarLoop]: Abstraction has 35 states and 43 transitions. [2018-11-22 22:08:59,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:08:59,186 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 43 transitions. [2018-11-22 22:08:59,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-22 22:08:59,187 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:08:59,187 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:08:59,188 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:08:59,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:08:59,188 INFO L82 PathProgramCache]: Analyzing trace with hash -1352261581, now seen corresponding path program 1 times [2018-11-22 22:08:59,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 22:08:59,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:08:59,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:08:59,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 22:08:59,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 22:08:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:08:59,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 22:08:59,276 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=6442450951, |#NULL.offset|=6442450945, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_floor~0)|=6442450946.0, ~huge_floor~0=6442450946.0] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~huge_floor~0 := 1.0E30; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_floor~0)|=6442450946.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |old(#NULL.base)|=6442450951, |old(#NULL.offset)|=6442450945, |old(~huge_floor~0)|=6442450946.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] RET #95#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call #t~ret6 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [|#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call #t~ret4 := floor_float(~x~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~x := #in~x;havoc ~i0~0;havoc ~j0~0;havoc ~i~0;havoc ~ix~0; VAL [floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4);call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4);call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4);~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296);call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4);havoc #t~mem0;havoc #t~union1;call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset);havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [floor_float_~i0~0=(- 2147483648), floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] goto; VAL [floor_float_~i0~0=(- 2147483648), floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647);~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !(~j0~0 < 23); VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !(~ix~0 % 4294967296 < 2139095040);#res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume true; VAL [floor_float_~i0~0=(- 2147483648), floor_float_~ix~0=(- 36028794871480321), floor_float_~j0~0=128, floor_float_~x=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |floor_float_#in~x|=6442450952.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] RET #99#return; VAL [main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret4|=6442450949.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~res~0 := #t~ret4;havoc #t~ret4; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call #t~ret5 := isnan_float(~res~0); VAL [|#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, ~huge_floor~0=1000000000000000000000000000000.0] [?] ~x := #in~x;#res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [isnan_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, |isnan_float_#res|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume true; VAL [isnan_float_~x=6442450949.0, |#NULL.base|=0, |#NULL.offset|=0, |isnan_float_#in~x|=6442450949.0, |isnan_float_#res|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] RET #101#return; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, |main_#t~ret5|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume 0 == #t~ret5;havoc #t~ret5; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] assume !false; VAL [main_~res~0=6442450949.0, main_~x~0=6442450952.0, |#NULL.base|=0, |#NULL.offset|=0, ~huge_floor~0=1000000000000000000000000000000.0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450951, #NULL.offset=6442450945, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L18] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24-L48] assume !(~j0~0 < 23); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44-L47] assume !(~ix~0 % 4294967296 < 2139095040); [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L14-L55] ensures true; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L58] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70-L73] assume 0 == #t~ret5; [L70] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=6442450951, #NULL.offset=6442450945, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, old(#NULL.base)=6442450951, old(#NULL.offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] call ~#gf_u~0.base, ~#gf_u~0.offset := #Ultimate.alloc(4); [L19] call write~real(~x, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] call #t~mem0 := read~int(~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] call write~real(#t~union1, ~#gf_u~0.base, ~#gf_u~0.offset, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] call ULTIMATE.dealloc(~#gf_u~0.base, ~#gf_u~0.offset); [L18] havoc ~#gf_u~0.base, ~#gf_u~0.offset; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24-L48] assume !(~j0~0 < 23); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44-L47] assume !(~ix~0 % 4294967296 < 2139095040); [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L14-L55] ensures true; VAL [#in~x=6.442450952E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L58] ensures true; VAL [#in~x=6.442450949E9, #NULL.base=0, #NULL.offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL.base=0, #NULL.offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70-L73] assume 0 == #t~ret5; [L70] havoc #t~ret5; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL.base=0, #NULL.offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=6442450951, #NULL!offset=6442450945, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=6.442450946E9] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L12] ~huge_floor~0 := 1.0E30; VAL [#NULL!base=0, #NULL!offset=0, old(#NULL!base)=6442450951, old(#NULL!offset)=6442450945, old(~huge_floor~0)=6.442450946E9, ~huge_floor~0=1.0E30] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [?] CALL call #t~ret6 := main(); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L66] ~x~0 := ~someBinaryArithmeticFLOAToperation(0.0, 0.0); VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L67] CALL call #t~ret4 := floor_float(~x~0); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L14-L55] ~x := #in~x; [L15] havoc ~i0~0; [L15] havoc ~j0~0; [L16] havoc ~i~0; [L16] havoc ~ix~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~x=6.442450952E9] [L18] FCALL call ~#gf_u~0 := #Ultimate.alloc(4); [L19] FCALL call write~real(~x, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] FCALL call #t~mem0 := read~int({ base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] ~i0~0 := (if #t~mem0 % 4294967296 % 4294967296 <= 2147483647 then #t~mem0 % 4294967296 % 4294967296 else #t~mem0 % 4294967296 % 4294967296 - 4294967296); [L20] FCALL call write~real(#t~union1, { base: ~#gf_u~0!base, offset: ~#gf_u~0!offset }, 4); [L20] havoc #t~mem0; [L20] havoc #t~union1; [L18] FCALL call ULTIMATE.dealloc(~#gf_u~0); [L18] havoc ~#gf_u~0; VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~x=6.442450952E9] [L22] ~ix~0 := ~bitwiseAnd(~i0~0, 2147483647); [L23] ~j0~0 := (if (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 <= 2147483647 then (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 else (~ix~0 / 8388608 - 127) % 4294967296 % 4294967296 - 4294967296); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L24] COND FALSE !(~j0~0 < 23) VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L44] COND TRUE !(~ix~0 % 4294967296 < 2139095040) [L45] #res := ~someBinaryArithmeticFLOAToperation(~x, ~x); VAL [#in~x=6.442450952E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~i0~0=-2147483648, ~ix~0=-36028794871480321, ~j0~0=128, ~x=6.442450952E9] [L67] RET call #t~ret4 := floor_float(~x~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret4=6.442450949E9, ~huge_floor~0=1.0E30, ~x~0=6.442450952E9] [L67] ~res~0 := #t~ret4; [L67] havoc #t~ret4; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] CALL call #t~ret5 := isnan_float(~res~0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30] [L58] ~x := #in~x; [L58] #res := (if ~someBinaryFLOATComparisonOperation(~x, ~x) then 1 else 0); VAL [#in~x=6.442450949E9, #NULL!base=0, #NULL!offset=0, #res=0, ~huge_floor~0=1.0E30, ~x=6.442450949E9] [L70] RET call #t~ret5 := isnan_float(~res~0); VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] assume -2147483648 <= #t~ret5 && #t~ret5 <= 2147483647; VAL [#NULL!base=0, #NULL!offset=0, #t~ret5=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L70] COND TRUE 0 == #t~ret5 [L70] havoc #t~ret5; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L71] assert false; VAL [#NULL!base=0, #NULL!offset=0, ~huge_floor~0=1.0E30, ~res~0=6.442450949E9, ~x~0=6.442450952E9] [L12] static const float huge_floor = 1.0e30; VAL [\old(huge_floor)=6442450946, huge_floor=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_floor=1000000000000000000000000000000] [L67] CALL, EXPR floor_float(x) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000] [L15] __int32_t i0, j0; [L16] __uint32_t i, ix; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, x=6442450952] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] ix = (i0 & 0x7fffffff) [L23] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L24] COND FALSE !(j0 < 23) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L44] COND TRUE !((ix) < 0x7f800000L) [L45] return x + x; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L67] RET, EXPR floor_float(x) VAL [floor_float(x)=6442450949, huge_floor=1000000000000000000000000000000, x=6442450952] [L67] float res = floor_float(x); [L70] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_floor=1000000000000000000000000000000] [L58] return x != x; VAL [\old(x)=6442450949, \result=0, huge_floor=1000000000000000000000000000000, x=6442450949] [L70] RET, EXPR isnan_float(res) VAL [huge_floor=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450952] [L70] COND TRUE !isnan_float(res) [L71] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000, res=6442450949, x=6442450952] ----- [2018-11-22 22:08:59,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:08:59 BoogieIcfgContainer [2018-11-22 22:08:59,321 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:08:59,321 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:08:59,321 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:08:59,321 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:08:59,322 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:08:58" (3/4) ... [2018-11-22 22:08:59,325 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-22 22:08:59,326 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:08:59,326 INFO L168 Benchmark]: Toolchain (without parser) took 1020.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 959.2 MB in the beginning and 1.1 GB in the end (delta: -107.8 MB). Peak memory consumption was 16.4 MB. Max. memory is 11.5 GB. [2018-11-22 22:08:59,328 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:08:59,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:08:59,329 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.05 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:08:59,329 INFO L168 Benchmark]: Boogie Preprocessor took 70.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-11-22 22:08:59,330 INFO L168 Benchmark]: RCFGBuilder took 252.37 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:08:59,330 INFO L168 Benchmark]: TraceAbstraction took 462.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-22 22:08:59,331 INFO L168 Benchmark]: Witness Printer took 4.58 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. [2018-11-22 22:08:59,334 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 207.51 ms. Allocated memory is still 1.0 GB. Free memory was 959.2 MB in the beginning and 945.6 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.05 ms. Allocated memory is still 1.0 GB. Free memory is still 945.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 945.6 MB in the beginning and 1.1 GB in the end (delta: -178.7 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 252.37 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 462.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 4.58 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: 71]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 58, overapproximation of someBinaryArithmeticFLOAToperation at line 45, overapproximation of bitwiseAnd at line 22. Possible FailurePath: [L12] static const float huge_floor = 1.0e30; VAL [\old(huge_floor)=6442450946, huge_floor=1000000000000000000000000000000] [L66] float x = 0.0f / 0.0f; VAL [huge_floor=1000000000000000000000000000000] [L67] CALL, EXPR floor_float(x) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000] [L15] __int32_t i0, j0; [L16] __uint32_t i, ix; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, x=6442450952] [L18] ieee_float_shape_type gf_u; [L19] gf_u.value = (x) [L20] EXPR gf_u.word [L20] (i0) = gf_u.word [L22] ix = (i0 & 0x7fffffff) [L23] j0 = (ix >> 23) - 0x7f VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L24] COND FALSE !(j0 < 23) VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L44] COND TRUE !((ix) < 0x7f800000L) [L45] return x + x; VAL [\old(x)=6442450952, huge_floor=1000000000000000000000000000000, i=-36028794871480321, i0=-2147483648, j0=128, x=6442450952] [L67] RET, EXPR floor_float(x) VAL [floor_float(x)=6442450949, huge_floor=1000000000000000000000000000000, x=6442450952] [L67] float res = floor_float(x); [L70] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450949, huge_floor=1000000000000000000000000000000] [L58] return x != x; VAL [\old(x)=6442450949, \result=0, huge_floor=1000000000000000000000000000000, x=6442450949] [L70] RET, EXPR isnan_float(res) VAL [huge_floor=1000000000000000000000000000000, isnan_float(res)=0, res=6442450949, x=6442450952] [L70] COND TRUE !isnan_float(res) [L71] __VERIFIER_error() VAL [huge_floor=1000000000000000000000000000000, res=6442450949, x=6442450952] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 39 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 47 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=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-aa41828 [2018-11-22 22:09:00,981 INFO L170 SettingsManager]: Resetting all preferences to default values... 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[2018-11-22 22:09:00,992 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 22:09:00,993 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 22:09:00,994 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 22:09:00,995 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 22:09:00,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 22:09:00,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 22:09:00,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 22:09:00,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 22:09:00,999 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 22:09:01,000 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 22:09:01,000 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 22:09:01,001 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 22:09:01,002 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 22:09:01,003 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 22:09:01,004 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 22:09:01,006 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 22:09:01,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 22:09:01,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 22:09:01,009 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 22:09:01,009 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 22:09:01,009 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 22:09:01,010 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 22:09:01,011 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 22:09:01,011 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 22:09:01,012 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 22:09:01,013 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 22:09:01,013 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 22:09:01,014 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 22:09:01,014 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 22:09:01,014 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 22:09:01,015 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 22:09:01,015 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 22:09:01,016 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-22 22:09:01,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 22:09:01,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 22:09:01,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 22:09:01,028 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 22:09:01,028 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 22:09:01,028 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 22:09:01,028 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 22:09:01,029 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 22:09:01,029 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 22:09:01,029 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 22:09:01,030 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 22:09:01,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 22:09:01,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 22:09:01,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 22:09:01,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 22:09:01,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 22:09:01,031 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 22:09:01,031 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-22 22:09:01,031 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-22 22:09:01,031 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 22:09:01,031 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 22:09:01,031 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 22:09:01,032 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 22:09:01,032 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 22:09:01,032 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 22:09:01,032 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 22:09:01,032 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 22:09:01,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 22:09:01,033 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 22:09:01,033 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 22:09:01,033 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 22:09:01,033 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-22 22:09:01,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 22:09:01,034 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-22 22:09:01,034 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-22 22:09:01,034 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_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 -> 863e70131520c7e8858a4f32bea4c5cffd3e6ae2 [2018-11-22 22:09:01,068 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 22:09:01,079 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 22:09:01,082 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 22:09:01,084 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 22:09:01,084 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 22:09:01,085 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:09:01,142 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/0500ae9ea/3829fc7045f74ef986c3a9871479e23e/FLAGb0fa19da6 [2018-11-22 22:09:01,495 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 22:09:01,496 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/sv-benchmarks/c/float-newlib/float_req_bl_1051_true-unreach-call.c [2018-11-22 22:09:01,500 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/0500ae9ea/3829fc7045f74ef986c3a9871479e23e/FLAGb0fa19da6 [2018-11-22 22:09:01,510 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/data/0500ae9ea/3829fc7045f74ef986c3a9871479e23e [2018-11-22 22:09:01,512 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 22:09:01,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 22:09:01,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 22:09:01,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 22:09:01,518 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 22:09:01,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,521 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d0518e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01, skipping insertion in model container [2018-11-22 22:09:01,521 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,530 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 22:09:01,551 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 22:09:01,703 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:09:01,707 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 22:09:01,731 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 22:09:01,751 INFO L195 MainTranslator]: Completed translation [2018-11-22 22:09:01,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01 WrapperNode [2018-11-22 22:09:01,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 22:09:01,752 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 22:09:01,752 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 22:09:01,752 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 22:09:01,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,767 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 22:09:01,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 22:09:01,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 22:09:01,776 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 22:09:01,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... [2018-11-22 22:09:01,809 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 22:09:01,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 22:09:01,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 22:09:01,810 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 22:09:01,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 [2018-11-22 22:09:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 22:09:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 22:09:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-22 22:09:01,894 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-22 22:09:01,894 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-22 22:09:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 22:09:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 22:09:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 22:09:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-22 22:09:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure floor_float [2018-11-22 22:09:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure floor_float [2018-11-22 22:09:01,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 22:09:01,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 22:09:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-22 22:09:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-22 22:09:01,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-22 22:09:02,458 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 22:09:02,458 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-11-22 22:09:02,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:02 BoogieIcfgContainer [2018-11-22 22:09:02,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 22:09:02,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 22:09:02,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 22:09:02,462 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 22:09:02,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:09:01" (1/3) ... [2018-11-22 22:09:02,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1417e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:09:02, skipping insertion in model container [2018-11-22 22:09:02,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:09:01" (2/3) ... [2018-11-22 22:09:02,463 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c1417e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:09:02, skipping insertion in model container [2018-11-22 22:09:02,463 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:02" (3/3) ... [2018-11-22 22:09:02,465 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1051_true-unreach-call.c [2018-11-22 22:09:02,474 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 22:09:02,481 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 22:09:02,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 22:09:02,516 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-22 22:09:02,516 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 22:09:02,516 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 22:09:02,516 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 22:09:02,516 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 22:09:02,516 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 22:09:02,516 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 22:09:02,517 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 22:09:02,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 22:09:02,529 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-22 22:09:02,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 22:09:02,533 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:09:02,534 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:09:02,536 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:09:02,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:09:02,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1109789349, now seen corresponding path program 1 times [2018-11-22 22:09:02,543 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:09:02,544 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 [2018-11-22 22:09:02,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:09:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:09:02,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:09:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:09:02,626 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:09:02,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:09:02,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-22 22:09:02,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-22 22:09:02,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-22 22:09:02,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:09:02,650 INFO L87 Difference]: Start difference. First operand 38 states. Second operand 2 states. [2018-11-22 22:09:02,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:09:02,666 INFO L93 Difference]: Finished difference Result 68 states and 94 transitions. [2018-11-22 22:09:02,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-22 22:09:02,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-11-22 22:09:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:09:02,678 INFO L225 Difference]: With dead ends: 68 [2018-11-22 22:09:02,679 INFO L226 Difference]: Without dead ends: 34 [2018-11-22 22:09:02,682 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-22 22:09:02,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-11-22 22:09:02,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-11-22 22:09:02,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-22 22:09:02,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 42 transitions. [2018-11-22 22:09:02,714 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 42 transitions. Word has length 21 [2018-11-22 22:09:02,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:09:02,715 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 42 transitions. [2018-11-22 22:09:02,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-22 22:09:02,715 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 42 transitions. [2018-11-22 22:09:02,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 22:09:02,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:09:02,716 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:09:02,716 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:09:02,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:09:02,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1743788968, now seen corresponding path program 1 times [2018-11-22 22:09:02,717 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:09:02,717 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 [2018-11-22 22:09:02,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:09:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:09:02,781 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:09:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:09:03,233 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:09:03,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:09:03,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:09:03,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:09:03,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:09:03,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:09:03,244 INFO L87 Difference]: Start difference. First operand 34 states and 42 transitions. Second operand 9 states. [2018-11-22 22:09:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:09:04,701 INFO L93 Difference]: Finished difference Result 43 states and 51 transitions. [2018-11-22 22:09:04,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:09:04,702 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-22 22:09:04,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:09:04,705 INFO L225 Difference]: With dead ends: 43 [2018-11-22 22:09:04,705 INFO L226 Difference]: Without dead ends: 36 [2018-11-22 22:09:04,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:09:04,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-11-22 22:09:04,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 34. [2018-11-22 22:09:04,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-11-22 22:09:04,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2018-11-22 22:09:04,715 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 22 [2018-11-22 22:09:04,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:09:04,715 INFO L480 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2018-11-22 22:09:04,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:09:04,716 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2018-11-22 22:09:04,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-22 22:09:04,716 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:09:04,717 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:09:04,717 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:09:04,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:09:04,718 INFO L82 PathProgramCache]: Analyzing trace with hash 1547275463, now seen corresponding path program 1 times [2018-11-22 22:09:04,718 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:09:04,718 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 [2018-11-22 22:09:04,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:09:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:09:04,762 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:09:04,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:09:04,884 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:09:04,897 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:09:04,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-22 22:09:04,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 22:09:04,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 22:09:04,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-22 22:09:04,899 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand 9 states. [2018-11-22 22:09:05,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:09:05,540 INFO L93 Difference]: Finished difference Result 41 states and 48 transitions. [2018-11-22 22:09:05,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:09:05,541 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 22 [2018-11-22 22:09:05,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:09:05,542 INFO L225 Difference]: With dead ends: 41 [2018-11-22 22:09:05,542 INFO L226 Difference]: Without dead ends: 33 [2018-11-22 22:09:05,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-22 22:09:05,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-11-22 22:09:05,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-11-22 22:09:05,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-11-22 22:09:05,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2018-11-22 22:09:05,546 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 22 [2018-11-22 22:09:05,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:09:05,546 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2018-11-22 22:09:05,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 22:09:05,547 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2018-11-22 22:09:05,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-22 22:09:05,547 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 22:09:05,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 22:09:05,548 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 22:09:05,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 22:09:05,548 INFO L82 PathProgramCache]: Analyzing trace with hash -136677178, now seen corresponding path program 1 times [2018-11-22 22:09:05,549 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-22 22:09:05,549 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/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 [2018-11-22 22:09:05,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 22:09:05,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 22:09:05,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 22:09:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 22:09:05,712 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-22 22:09:05,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 22:09:05,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-22 22:09:05,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-22 22:09:05,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-22 22:09:05,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-22 22:09:05,723 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand 7 states. [2018-11-22 22:09:06,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 22:09:06,542 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2018-11-22 22:09:06,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-22 22:09:06,544 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-11-22 22:09:06,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 22:09:06,544 INFO L225 Difference]: With dead ends: 39 [2018-11-22 22:09:06,544 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 22:09:06,545 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2018-11-22 22:09:06,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 22:09:06,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 22:09:06,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 22:09:06,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 22:09:06,546 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 26 [2018-11-22 22:09:06,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 22:09:06,546 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 22:09:06,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-22 22:09:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 22:09:06,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 22:09:06,550 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 22:09:06,625 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 58) no Hoare annotation was computed. [2018-11-22 22:09:06,625 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 58) the Hoare annotation is: true [2018-11-22 22:09:06,625 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 58) no Hoare annotation was computed. [2018-11-22 22:09:06,625 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point L27(lines 27 31) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 47) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 48) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 53) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point L49-1(lines 14 55) no Hoare annotation was computed. [2018-11-22 22:09:06,626 INFO L448 ceAbstractionStarter]: For program point L49-2(lines 49 53) no Hoare annotation was computed. [2018-11-22 22:09:06,627 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 41) no Hoare annotation was computed. [2018-11-22 22:09:06,627 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 31) no Hoare annotation was computed. [2018-11-22 22:09:06,627 INFO L448 ceAbstractionStarter]: For program point floor_floatEXIT(lines 14 55) no Hoare annotation was computed. [2018-11-22 22:09:06,627 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 42) no Hoare annotation was computed. [2018-11-22 22:09:06,627 INFO L448 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-11-22 22:09:06,627 INFO L444 ceAbstractionStarter]: At program point L17-2(lines 17 21) the Hoare annotation is: (= |floor_float_#in~x| floor_float_~x) [2018-11-22 22:09:06,627 INFO L448 ceAbstractionStarter]: For program point L17-3(lines 17 21) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 39) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point floor_floatFINAL(lines 14 55) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 32) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L451 ceAbstractionStarter]: At program point floor_floatENTRY(lines 14 55) the Hoare annotation is: true [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-22 22:09:06,628 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 22:09:06,628 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 22:09:06,628 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 60 76) the Hoare annotation is: true [2018-11-22 22:09:06,629 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 60 76) no Hoare annotation was computed. [2018-11-22 22:09:06,629 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 71) no Hoare annotation was computed. [2018-11-22 22:09:06,629 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 60 76) no Hoare annotation was computed. [2018-11-22 22:09:06,629 INFO L448 ceAbstractionStarter]: For program point L71(line 71) no Hoare annotation was computed. [2018-11-22 22:09:06,629 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven .cse0 .cse0)) (= main_~x~0 .cse0))) [2018-11-22 22:09:06,629 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 70 73) no Hoare annotation was computed. [2018-11-22 22:09:06,629 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-22 22:09:06,629 INFO L448 ceAbstractionStarter]: For program point L67-1(line 67) no Hoare annotation was computed. [2018-11-22 22:09:06,639 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 10:09:06 BoogieIcfgContainer [2018-11-22 22:09:06,640 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 22:09:06,640 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 22:09:06,640 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 22:09:06,640 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 22:09:06,641 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:09:02" (3/4) ... [2018-11-22 22:09:06,643 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 22:09:06,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-11-22 22:09:06,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 22:09:06,648 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure floor_float [2018-11-22 22:09:06,649 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 22:09:06,652 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-22 22:09:06,652 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-22 22:09:06,653 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-22 22:09:06,674 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-22 22:09:06,695 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db7163ca-5c6b-45f4-9a1c-28e9719aa1cf/bin-2019/utaipan/witness.graphml [2018-11-22 22:09:06,695 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 22:09:06,696 INFO L168 Benchmark]: Toolchain (without parser) took 5183.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 943.7 MB in the beginning and 957.1 MB in the end (delta: -13.3 MB). Peak memory consumption was 138.7 MB. Max. memory is 11.5 GB. [2018-11-22 22:09:06,697 INFO L168 Benchmark]: CDTParser took 0.19 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. [2018-11-22 22:09:06,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 237.85 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 927.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 22:09:06,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.83 ms. Allocated memory is still 1.0 GB. Free memory is still 927.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:09:06,698 INFO L168 Benchmark]: Boogie Preprocessor took 33.64 ms. Allocated memory is still 1.0 GB. Free memory is still 927.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 22:09:06,698 INFO L168 Benchmark]: RCFGBuilder took 649.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-22 22:09:06,698 INFO L168 Benchmark]: TraceAbstraction took 4180.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.6 MB in the end (delta: 152.5 MB). Peak memory consumption was 152.5 MB. Max. memory is 11.5 GB. [2018-11-22 22:09:06,699 INFO L168 Benchmark]: Witness Printer took 55.25 ms. Allocated memory is still 1.2 GB. Free memory was 963.6 MB in the beginning and 957.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-22 22:09:06,700 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 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 237.85 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 927.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.83 ms. Allocated memory is still 1.0 GB. Free memory is still 927.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.64 ms. Allocated memory is still 1.0 GB. Free memory is still 927.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 649.66 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -188.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4180.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 963.6 MB in the end (delta: 152.5 MB). Peak memory consumption was 152.5 MB. Max. memory is 11.5 GB. * Witness Printer took 55.25 ms. Allocated memory is still 1.2 GB. Free memory was 963.6 MB in the beginning and 957.1 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 71]: 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: 17]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 38 locations, 1 error locations. SAFE Result, 4.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 2.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 108 SDslu, 423 SDs, 0 SdLazy, 221 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred 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, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 12 PreInvPairs, 15 NumberOfFragments, 34 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 14 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 87 ConstructedInterpolants, 8 QuantifiedInterpolants, 9390 SizeOfPredicates, 13 NumberOfNonLiveVariables, 233 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...