./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e ......................................................................................................................................................................................................................................................................................................................... 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_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/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 534ce73b969c24d3fe4a2996f4697b5d070e8f3e ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:58:52,540 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:58:52,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:58:52,549 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:58:52,549 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:58:52,550 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:58:52,550 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:58:52,552 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:58:52,553 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:58:52,553 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:58:52,554 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:58:52,554 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:58:52,555 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:58:52,555 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:58:52,556 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:58:52,557 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:58:52,557 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:58:52,558 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:58:52,560 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:58:52,561 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:58:52,562 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:58:52,562 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:58:52,564 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:58:52,564 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:58:52,564 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:58:52,565 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:58:52,566 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:58:52,566 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:58:52,567 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:58:52,567 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:58:52,568 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:58:52,568 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:58:52,568 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:58:52,568 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:58:52,569 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:58:52,569 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:58:52,570 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 23:58:52,580 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:58:52,580 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:58:52,580 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:58:52,581 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 23:58:52,581 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 23:58:52,582 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:58:52,582 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:58:52,582 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:58:52,582 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 23:58:52,582 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:58:52,582 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:58:52,583 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:58:52,583 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:58:52,583 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:58:52,583 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:58:52,583 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:58:52,583 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:58:52,584 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:58:52,584 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:58:52,584 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 23:58:52,585 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 23:58:52,585 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_0d33f520-fb88-4d88-b073-187bb59a9d43/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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2018-12-08 23:58:52,607 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:58:52,616 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:58:52,619 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:58:52,620 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:58:52,621 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:58:52,621 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-08 23:58:52,661 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/5f95d390b/ea92df72e422446387443af08501ce50/FLAGf3eb914da [2018-12-08 23:58:52,955 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:58:52,955 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-08 23:58:52,959 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/5f95d390b/ea92df72e422446387443af08501ce50/FLAGf3eb914da [2018-12-08 23:58:52,967 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/5f95d390b/ea92df72e422446387443af08501ce50 [2018-12-08 23:58:52,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:58:52,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:58:52,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:52,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:58:52,972 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:58:52,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:52" (1/1) ... [2018-12-08 23:58:52,974 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:52, skipping insertion in model container [2018-12-08 23:58:52,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:52" (1/1) ... [2018-12-08 23:58:52,978 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:58:52,989 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:58:53,089 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:53,092 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:58:53,112 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:53,155 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:58:53,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53 WrapperNode [2018-12-08 23:58:53,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:53,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:53,156 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:58:53,156 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:58:53,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,167 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,171 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:53,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:58:53,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:58:53,172 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:58:53,178 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,180 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,189 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,190 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... [2018-12-08 23:58:53,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:58:53,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:58:53,192 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:58:53,192 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:58:53,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:58:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-08 23:58:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:58:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-08 23:58:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-08 23:58:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:58:53,224 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:58:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 23:58:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:58:53,225 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:58:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:58:53,406 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:58:53,406 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 23:58:53,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:53 BoogieIcfgContainer [2018-12-08 23:58:53,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:58:53,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:58:53,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:58:53,409 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:58:53,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:52" (1/3) ... [2018-12-08 23:58:53,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22631f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:53, skipping insertion in model container [2018-12-08 23:58:53,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:53" (2/3) ... [2018-12-08 23:58:53,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22631f86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:58:53, skipping insertion in model container [2018-12-08 23:58:53,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:53" (3/3) ... [2018-12-08 23:58:53,411 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2018-12-08 23:58:53,416 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:58:53,421 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:58:53,429 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:58:53,447 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:58:53,447 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:58:53,447 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:58:53,447 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:58:53,447 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:58:53,447 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:58:53,447 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:58:53,447 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:58:53,457 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-08 23:58:53,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 23:58:53,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:58:53,462 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:58:53,463 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:58:53,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:58:53,467 INFO L82 PathProgramCache]: Analyzing trace with hash -620426535, now seen corresponding path program 1 times [2018-12-08 23:58:53,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:58:53,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:58:53,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:58:53,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:58:53,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:58:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:58:53,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:58:53,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:58:53,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 23:58:53,559 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 23:58:53,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 23:58:53,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 23:58:53,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 23:58:53,570 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-08 23:58:53,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:58:53,584 INFO L93 Difference]: Finished difference Result 84 states and 123 transitions. [2018-12-08 23:58:53,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 23:58:53,585 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-08 23:58:53,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:58:53,590 INFO L225 Difference]: With dead ends: 84 [2018-12-08 23:58:53,590 INFO L226 Difference]: Without dead ends: 42 [2018-12-08 23:58:53,592 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 23:58:53,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-08 23:58:53,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-08 23:58:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-08 23:58:53,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-12-08 23:58:53,615 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 23 [2018-12-08 23:58:53,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:58:53,615 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-12-08 23:58:53,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 23:58:53,615 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-12-08 23:58:53,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 23:58:53,616 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:58:53,616 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] [2018-12-08 23:58:53,616 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:58:53,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:58:53,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1811129790, now seen corresponding path program 1 times [2018-12-08 23:58:53,617 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 23:58:53,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:58:53,617 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:58:53,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 23:58:53,617 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 23:58:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:58:53,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 23:58:53,684 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 23:58:53,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:58:53 BoogieIcfgContainer [2018-12-08 23:58:53,709 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:58:53,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:58:53,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:58:53,710 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:58:53,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:58:53" (3/4) ... [2018-12-08 23:58:53,712 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 23:58:53,712 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:58:53,713 INFO L168 Benchmark]: Toolchain (without parser) took 743.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -111.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:53,714 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:53,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 185.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:53,714 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:53,715 INFO L168 Benchmark]: Boogie Preprocessor took 20.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:53,715 INFO L168 Benchmark]: RCFGBuilder took 214.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:53,715 INFO L168 Benchmark]: TraceAbstraction took 302.48 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: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:58:53,715 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:58:53,717 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 185.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 30.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.87 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. * Boogie Preprocessor took 20.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 214.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 302.48 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: 27.6 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 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: 120]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 43, overapproximation of bitwiseAnd at line 19. Possible FailurePath: [L23-L27] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L29] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418258, \old(Lg2_log)=10737418259, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418244, \old(Lg5_log)=10737418247, \old(Lg6_log)=10737418256, \old(Lg7_log)=10737418255, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418251, \old(two25_log)=10737418254, \old(zero_log)=10737418253, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L115] float x = 0.0f; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L116] CALL, EXPR __ieee754_logf(x) VAL [\old(x)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L32] float hfsq, f, s, z, R, w, t1, t2, dk; [L33] __int32_t k, ix, i, j; VAL [\old(x)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L36] ieee_float_shape_type gf_u; [L37] gf_u.value = (x) [L38] EXPR gf_u.word [L38] (ix) = gf_u.word [L41] k = 0 VAL [\old(x)=0, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L42] COND TRUE ((ix & 0x7fffffff) == 0) [L43] return -two25_log / zero_log; VAL [\old(x)=0, ix=-2147483648, k=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L116] RET, EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=0, zero_log=0] [L116] float res = __ieee754_logf(x); [L119] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L13] __int32_t ix; VAL [\old(x)=10737418245, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L15] ieee_float_shape_type gf_u; [L16] gf_u.value = (x) [L17] EXPR gf_u.word [L17] (ix) = gf_u.word [L19] ix &= 0x7fffffff [L20] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418245, \result=0, ix=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418245, zero_log=0] [L119] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=0, zero_log=0] [L119] COND TRUE !isinf_float(res) [L120] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418245, two25_log=33554432, x=0, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 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=46occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-08 23:58:55,080 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 23:58:55,081 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 23:58:55,089 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 23:58:55,089 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 23:58:55,089 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 23:58:55,090 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 23:58:55,091 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 23:58:55,092 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 23:58:55,093 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 23:58:55,094 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 23:58:55,094 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 23:58:55,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 23:58:55,095 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 23:58:55,096 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 23:58:55,096 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 23:58:55,097 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 23:58:55,098 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 23:58:55,100 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 23:58:55,101 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 23:58:55,101 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 23:58:55,102 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 23:58:55,104 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 23:58:55,104 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 23:58:55,104 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 23:58:55,105 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 23:58:55,106 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 23:58:55,106 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 23:58:55,107 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 23:58:55,108 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 23:58:55,108 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 23:58:55,108 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 23:58:55,108 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 23:58:55,109 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 23:58:55,109 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 23:58:55,110 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 23:58:55,110 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 23:58:55,121 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 23:58:55,121 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 23:58:55,122 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 23:58:55,122 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 23:58:55,122 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 23:58:55,122 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 23:58:55,122 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 23:58:55,122 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 23:58:55,122 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 23:58:55,123 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 23:58:55,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 23:58:55,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 23:58:55,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 23:58:55,124 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 23:58:55,125 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:58:55,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 23:58:55,125 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 23:58:55,126 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 23:58:55,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 23:58:55,126 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 23:58:55,126 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 23:58:55,126 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_0d33f520-fb88-4d88-b073-187bb59a9d43/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 -> 534ce73b969c24d3fe4a2996f4697b5d070e8f3e [2018-12-08 23:58:55,149 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 23:58:55,158 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 23:58:55,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 23:58:55,162 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 23:58:55,162 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 23:58:55,163 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-08 23:58:55,207 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/1bc852e04/3fa25dc7860b4f9c9ad499edb07b6f05/FLAG8b6af131b [2018-12-08 23:58:55,595 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 23:58:55,596 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/sv-benchmarks/c/float-newlib/float_req_bl_0910a_true-unreach-call.c [2018-12-08 23:58:55,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/1bc852e04/3fa25dc7860b4f9c9ad499edb07b6f05/FLAG8b6af131b [2018-12-08 23:58:55,608 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/data/1bc852e04/3fa25dc7860b4f9c9ad499edb07b6f05 [2018-12-08 23:58:55,610 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 23:58:55,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 23:58:55,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:55,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 23:58:55,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 23:58:55,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36a0bb1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55, skipping insertion in model container [2018-12-08 23:58:55,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,620 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 23:58:55,632 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 23:58:55,737 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:55,741 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 23:58:55,767 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 23:58:55,782 INFO L195 MainTranslator]: Completed translation [2018-12-08 23:58:55,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55 WrapperNode [2018-12-08 23:58:55,782 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 23:58:55,782 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:55,783 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 23:58:55,783 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 23:58:55,788 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,795 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,799 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 23:58:55,799 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 23:58:55,799 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 23:58:55,799 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 23:58:55,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,844 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,848 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... [2018-12-08 23:58:55,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 23:58:55,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 23:58:55,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 23:58:55,851 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 23:58:55,852 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-08 23:58:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 23:58:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-12-08 23:58:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 23:58:55,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 23:58:55,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 23:58:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 23:58:55,882 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 23:58:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 23:58:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 23:58:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 23:58:55,972 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:58:57,858 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:59:07,223 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 23:59:07,239 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 23:59:07,239 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-08 23:59:07,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:59:07 BoogieIcfgContainer [2018-12-08 23:59:07,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 23:59:07,240 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 23:59:07,240 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 23:59:07,241 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 23:59:07,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:58:55" (1/3) ... [2018-12-08 23:59:07,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef22c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:59:07, skipping insertion in model container [2018-12-08 23:59:07,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:58:55" (2/3) ... [2018-12-08 23:59:07,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ef22c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:59:07, skipping insertion in model container [2018-12-08 23:59:07,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:59:07" (3/3) ... [2018-12-08 23:59:07,243 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0910a_true-unreach-call.c [2018-12-08 23:59:07,249 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 23:59:07,253 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 23:59:07,262 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 23:59:07,278 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 23:59:07,279 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 23:59:07,279 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 23:59:07,279 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 23:59:07,279 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 23:59:07,279 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 23:59:07,279 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 23:59:07,279 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 23:59:07,279 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 23:59:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-08 23:59:07,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 23:59:07,292 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:59:07,292 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 23:59:07,294 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:59:07,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:59:07,297 INFO L82 PathProgramCache]: Analyzing trace with hash -501312773, now seen corresponding path program 1 times [2018-12-08 23:59:07,299 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:59:07,299 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-08 23:59:07,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:59:07,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:07,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:59:07,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:59:07,513 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 23:59:07,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:59:07,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 23:59:07,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 23:59:07,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 23:59:07,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 23:59:07,534 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-08 23:59:07,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:59:07,550 INFO L93 Difference]: Finished difference Result 82 states and 121 transitions. [2018-12-08 23:59:07,550 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 23:59:07,551 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-08 23:59:07,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:59:07,557 INFO L225 Difference]: With dead ends: 82 [2018-12-08 23:59:07,557 INFO L226 Difference]: Without dead ends: 41 [2018-12-08 23:59:07,559 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 23:59:07,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-08 23:59:07,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-08 23:59:07,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-08 23:59:07,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-08 23:59:07,584 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 22 [2018-12-08 23:59:07,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:59:07,585 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-08 23:59:07,585 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 23:59:07,585 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-08 23:59:07,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 23:59:07,585 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:59:07,586 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] [2018-12-08 23:59:07,586 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:59:07,586 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:59:07,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1288548818, now seen corresponding path program 1 times [2018-12-08 23:59:07,587 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:59:07,587 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-08 23:59:07,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:59:07,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:07,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:59:08,275 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-12-08 23:59:08,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:59:08,412 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 23:59:08,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:59:08,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 23:59:08,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 23:59:08,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 23:59:08,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 23:59:08,427 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 10 states. [2018-12-08 23:59:20,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:59:20,235 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-12-08 23:59:20,235 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 23:59:20,235 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 24 [2018-12-08 23:59:20,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:59:20,236 INFO L225 Difference]: With dead ends: 48 [2018-12-08 23:59:20,236 INFO L226 Difference]: Without dead ends: 41 [2018-12-08 23:59:20,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-08 23:59:20,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-08 23:59:20,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-08 23:59:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-08 23:59:20,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-12-08 23:59:20,243 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 24 [2018-12-08 23:59:20,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:59:20,244 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-12-08 23:59:20,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 23:59:20,244 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-12-08 23:59:20,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 23:59:20,244 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 23:59:20,244 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] [2018-12-08 23:59:20,245 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 23:59:20,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 23:59:20,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1497344050, now seen corresponding path program 1 times [2018-12-08 23:59:20,245 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 23:59:20,245 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-08 23:59:20,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 23:59:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 23:59:20,444 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 23:59:20,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 23:59:20,485 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 23:59:20,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 23:59:20,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 23:59:20,495 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 23:59:20,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 23:59:20,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 23:59:20,495 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-12-08 23:59:23,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 23:59:23,467 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2018-12-08 23:59:23,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 23:59:23,468 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-08 23:59:23,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 23:59:23,468 INFO L225 Difference]: With dead ends: 45 [2018-12-08 23:59:23,468 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 23:59:23,469 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-08 23:59:23,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 23:59:23,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 23:59:23,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 23:59:23,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 23:59:23,469 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-08 23:59:23,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 23:59:23,470 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 23:59:23,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 23:59:23,470 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 23:59:23,470 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 23:59:23,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 23:59:23,702 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 12 21) the Hoare annotation is: true [2018-12-08 23:59:23,702 INFO L448 ceAbstractionStarter]: For program point L14-1(lines 14 18) no Hoare annotation was computed. [2018-12-08 23:59:23,702 INFO L444 ceAbstractionStarter]: At program point L14-2(lines 14 18) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (= |isinf_float_#in~x| isinf_float_~x)) [2018-12-08 23:59:23,702 INFO L448 ceAbstractionStarter]: For program point L14-3(lines 14 18) no Hoare annotation was computed. [2018-12-08 23:59:23,702 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 12 21) no Hoare annotation was computed. [2018-12-08 23:59:23,702 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 12 21) no Hoare annotation was computed. [2018-12-08 23:59:23,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 23:59:23,702 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 23:59:23,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L444 ceAbstractionStarter]: At program point L35-2(lines 35 39) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (= __ieee754_logf_~x |__ieee754_logf_#in~x|)) [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L35-3(lines 35 39) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 60 64) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L444 ceAbstractionStarter]: At program point L60-2(lines 60 64) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_logf_~ix~1))))) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0))))) [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L60-3(lines 60 64) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 56) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 48 56) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 82) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 45) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 105) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 74) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 106) no Hoare annotation was computed. [2018-12-08 23:59:23,703 INFO L451 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 31 107) the Hoare annotation is: true [2018-12-08 23:59:23,703 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 31 107) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 31 107) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 47) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 83) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 100) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 51 55) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L444 ceAbstractionStarter]: At program point L51-2(lines 51 55) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (exists ((__ieee754_logf_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_logf_~ix~1) ((_ extract 30 23) __ieee754_logf_~ix~1) ((_ extract 22 0) __ieee754_logf_~ix~1)) |__ieee754_logf_#in~x|) (not (= (_ bv0 32) (bvand (_ bv2147483647 32) __ieee754_logf_~ix~1))))))) [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 75) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 35 39) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 23:59:23,704 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)) ~two25_log~0) (= ~zero_log~0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)))) [2018-12-08 23:59:23,704 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 23:59:23,704 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 23:59:23,705 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 109 124) the Hoare annotation is: true [2018-12-08 23:59:23,705 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 109 124) no Hoare annotation was computed. [2018-12-08 23:59:23,705 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 109 124) no Hoare annotation was computed. [2018-12-08 23:59:23,705 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-08 23:59:23,705 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53))) (.cse1 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (or (not (= .cse0 ~zero_log~0)) (= (fp.div roundNearestTiesToEven (fp.neg .cse1) .cse0) main_~res~0) (not (= ~two25_log~0 .cse1)))) [2018-12-08 23:59:23,705 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 119 122) no Hoare annotation was computed. [2018-12-08 23:59:23,705 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 120) no Hoare annotation was computed. [2018-12-08 23:59:23,705 INFO L444 ceAbstractionStarter]: At program point L116(line 116) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven (_ +zero 11 53)) ~zero_log~0)) (not (= ~two25_log~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 33554432.0)))) (= (_ +zero 8 24) main_~x~0)) [2018-12-08 23:59:23,705 INFO L448 ceAbstractionStarter]: For program point L116-1(line 116) no Hoare annotation was computed. [2018-12-08 23:59:23,710 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,711 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,711 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,714 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,715 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,715 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,715 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,716 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,717 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,717 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,717 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,717 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,717 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,718 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,719 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,719 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,719 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,719 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,719 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:59:23 BoogieIcfgContainer [2018-12-08 23:59:23,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 23:59:23,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 23:59:23,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 23:59:23,721 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 23:59:23,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:59:07" (3/4) ... [2018-12-08 23:59:23,723 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 23:59:23,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-08 23:59:23,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 23:59:23,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-12-08 23:59:23,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 23:59:23,731 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2018-12-08 23:59:23,731 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-08 23:59:23,731 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 23:59:23,731 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 23:59:23,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || x == \old(x) [2018-12-08 23:59:23,747 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || \old(x) == x [2018-12-08 23:59:23,748 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) [2018-12-08 23:59:23,748 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))) [2018-12-08 23:59:23,762 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0d33f520-fb88-4d88-b073-187bb59a9d43/bin-2019/utaipan/witness.graphml [2018-12-08 23:59:23,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 23:59:23,763 INFO L168 Benchmark]: Toolchain (without parser) took 28152.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 944.7 MB in the beginning and 935.0 MB in the end (delta: 9.7 MB). Peak memory consumption was 146.0 MB. Max. memory is 11.5 GB. [2018-12-08 23:59:23,763 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:59:23,764 INFO L168 Benchmark]: CACSL2BoogieTranslator took 170.47 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:59:23,764 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.34 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 23:59:23,764 INFO L168 Benchmark]: Boogie Preprocessor took 52.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-08 23:59:23,764 INFO L168 Benchmark]: RCFGBuilder took 11388.18 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-08 23:59:23,764 INFO L168 Benchmark]: TraceAbstraction took 16480.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.7 MB in the end (delta: 149.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 11.5 GB. [2018-12-08 23:59:23,764 INFO L168 Benchmark]: Witness Printer took 41.83 ms. Allocated memory is still 1.2 GB. Free memory was 941.7 MB in the beginning and 935.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-08 23:59:23,766 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 170.47 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.34 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -195.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 11388.18 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: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 16480.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 941.7 MB in the end (delta: 149.6 MB). Peak memory consumption was 149.6 MB. Max. memory is 11.5 GB. * Witness Printer took 41.83 ms. Allocated memory is still 1.2 GB. Free memory was 941.7 MB in the beginning and 935.0 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 120]: 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: 60]: Loop Invariant [2018-12-08 23:59:23,768 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,768 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,769 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7))) - InvariantResult [Line: 14]: Loop Invariant [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,770 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || \old(x) == x - InvariantResult [Line: 35]: Loop Invariant [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,771 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || x == \old(x) - InvariantResult [Line: 51]: Loop Invariant [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,772 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] [2018-12-08 23:59:23,773 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE()) == zero_log) || !(two25_log == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 3.3554432E7)))) || (~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) == \old(x) && (\exists __ieee754_logf_~ix~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_logf_~ix~1[31:31], __ieee754_logf_~ix~1[30:23], __ieee754_logf_~ix~1[22:0]) == \old(x) && !(0bv32 == ~bvand32(2147483647bv32, __ieee754_logf_~ix~1)))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. SAFE Result, 16.4s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 14.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 126 SDtfs, 84 SDslu, 346 SDs, 0 SdLazy, 130 SolverSat, 10 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 13.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 174 HoareAnnotationTreeSize, 16 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 158 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 5 QuantifiedInterpolants, 10086 SizeOfPredicates, 8 NumberOfNonLiveVariables, 292 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...