./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_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_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/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 fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 ................................................................................................................................................................................................................................................................................................................................ 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_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/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 fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:18:34,440 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:18:34,441 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:18:34,447 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:18:34,447 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:18:34,448 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:18:34,448 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:18:34,449 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:18:34,450 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:18:34,450 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:18:34,451 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:18:34,451 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:18:34,451 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:18:34,452 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:18:34,452 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:18:34,453 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:18:34,453 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:18:34,454 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:18:34,455 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:18:34,455 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:18:34,456 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:18:34,456 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:18:34,457 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:18:34,458 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:18:34,458 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:18:34,458 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:18:34,459 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:18:34,459 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:18:34,459 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:18:34,460 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:18:34,460 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:18:34,460 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:18:34,460 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:18:34,460 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:18:34,461 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:18:34,461 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:18:34,461 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 03:18:34,468 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:18:34,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:18:34,469 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:18:34,469 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 03:18:34,469 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:18:34,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:18:34,470 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:18:34,471 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:18:34,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:18:34,471 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:18:34,472 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:18:34,472 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:18:34,472 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 03:18:34,472 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:18:34,472 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 03:18:34,472 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 03:18:34,472 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_02cb5eb0-b390-49a6-880f-64ceba0781fc/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 -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2018-12-03 03:18:34,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:18:34,499 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:18:34,502 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:18:34,503 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:18:34,503 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:18:34,504 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-03 03:18:34,546 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/ac081be5a/6f938154d248446db68804d95c5cca56/FLAG0269341dd [2018-12-03 03:18:34,937 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:18:34,937 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-03 03:18:34,941 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/ac081be5a/6f938154d248446db68804d95c5cca56/FLAG0269341dd [2018-12-03 03:18:34,950 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/ac081be5a/6f938154d248446db68804d95c5cca56 [2018-12-03 03:18:34,951 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:18:34,952 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:18:34,952 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:18:34,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:18:34,954 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:18:34,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:34" (1/1) ... [2018-12-03 03:18:34,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:34, skipping insertion in model container [2018-12-03 03:18:34,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:34" (1/1) ... [2018-12-03 03:18:34,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:18:34,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:18:35,061 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:18:35,063 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:18:35,077 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:18:35,089 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:18:35,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35 WrapperNode [2018-12-03 03:18:35,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:18:35,090 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:18:35,090 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:18:35,090 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:18:35,094 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,104 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:18:35,104 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:18:35,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:18:35,104 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:18:35,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,142 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,156 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... [2018-12-03 03:18:35,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:18:35,158 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:18:35,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:18:35,158 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:18:35,159 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:18:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-03 03:18:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 03:18:35,197 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-03 03:18:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:18:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:18:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:18:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-12-03 03:18:35,198 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-12-03 03:18:35,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 03:18:35,335 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:18:35,335 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-03 03:18:35,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:35 BoogieIcfgContainer [2018-12-03 03:18:35,336 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:18:35,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:18:35,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:18:35,338 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:18:35,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:18:34" (1/3) ... [2018-12-03 03:18:35,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69652ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:18:35, skipping insertion in model container [2018-12-03 03:18:35,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:35" (2/3) ... [2018-12-03 03:18:35,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69652ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:18:35, skipping insertion in model container [2018-12-03 03:18:35,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:35" (3/3) ... [2018-12-03 03:18:35,340 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b_true-unreach-call.c [2018-12-03 03:18:35,346 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:18:35,350 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:18:35,360 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:18:35,378 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:18:35,379 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:18:35,379 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:18:35,379 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:18:35,379 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:18:35,379 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:18:35,379 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:18:35,379 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:18:35,391 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-03 03:18:35,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-03 03:18:35,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:18:35,395 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] [2018-12-03 03:18:35,396 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:18:35,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:18:35,400 INFO L82 PathProgramCache]: Analyzing trace with hash -456969478, now seen corresponding path program 1 times [2018-12-03 03:18:35,401 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:18:35,429 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:18:35,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:18:35,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:18:35,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:18:35,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:18:35,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:18:35,479 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:18:35,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 03:18:35,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 03:18:35,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 03:18:35,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 03:18:35,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:18:35,490 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-03 03:18:35,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:18:35,503 INFO L93 Difference]: Finished difference Result 66 states and 89 transitions. [2018-12-03 03:18:35,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 03:18:35,504 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2018-12-03 03:18:35,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:18:35,508 INFO L225 Difference]: With dead ends: 66 [2018-12-03 03:18:35,508 INFO L226 Difference]: Without dead ends: 33 [2018-12-03 03:18:35,510 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:18:35,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-03 03:18:35,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-03 03:18:35,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-03 03:18:35,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2018-12-03 03:18:35,531 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 24 [2018-12-03 03:18:35,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:18:35,532 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2018-12-03 03:18:35,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 03:18:35,532 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2018-12-03 03:18:35,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-03 03:18:35,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:18:35,532 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:18:35,533 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:18:35,533 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:18:35,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1810155496, now seen corresponding path program 1 times [2018-12-03 03:18:35,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 03:18:35,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:18:35,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:18:35,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 03:18:35,534 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 03:18:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 03:18:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 03:18:35,600 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 03:18:35,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:18:35 BoogieIcfgContainer [2018-12-03 03:18:35,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:18:35,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:18:35,618 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:18:35,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:18:35,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:35" (3/4) ... [2018-12-03 03:18:35,620 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 03:18:35,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:18:35,621 INFO L168 Benchmark]: Toolchain (without parser) took 669.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -114.2 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:35,622 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:18:35,622 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:35,622 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.18 ms. Allocated memory is still 1.0 GB. Free memory was 940.0 MB in the beginning and 937.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:35,623 INFO L168 Benchmark]: Boogie Preprocessor took 54.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 937.4 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:35,623 INFO L168 Benchmark]: RCFGBuilder took 177.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:35,623 INFO L168 Benchmark]: TraceAbstraction took 281.30 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: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:35,624 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:18:35,625 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 136.90 ms. Allocated memory is still 1.0 GB. Free memory was 950.8 MB in the beginning and 940.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.18 ms. Allocated memory is still 1.0 GB. Free memory was 940.0 MB in the beginning and 937.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.3 MB). Free memory was 937.4 MB in the beginning and 1.1 GB in the end (delta: -182.6 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 177.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 281.30 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: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 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: 66]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 37, overapproximation of bitwiseAnd at line 50. Possible FailurePath: [L61] float x = -1.0f / 0.0f; [L62] CALL, EXPR trunc_float(x) VAL [\old(x)=6442450951] [L12] __int32_t signbit, w, exponent_less_127; VAL [\old(x)=6442450951, x=6442450951] [L14] ieee_float_shape_type gf_u; [L15] gf_u.value = (x) [L16] EXPR gf_u.word [L16] (w) = gf_u.word [L18] signbit = w & 0x80000000 [L19] exponent_less_127 = ((w & 0x7f800000) >> 23) - 127 VAL [\old(x)=6442450951, exponent_less_127=255, signbit=0, w=3, x=6442450951] [L20] COND FALSE !(exponent_less_127 < 23) VAL [\old(x)=6442450951, exponent_less_127=255, signbit=0, w=3, x=6442450951] [L36] COND TRUE exponent_less_127 == 255 [L37] return x + x; VAL [\old(x)=6442450951, exponent_less_127=255, signbit=0, w=3, x=6442450951] [L62] RET, EXPR trunc_float(x) VAL [trunc_float(x)=6442450945, x=6442450951] [L62] float res = trunc_float(x); [L65] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450945] [L44] __int32_t ix; VAL [\old(x)=6442450945, x=6442450945] [L46] ieee_float_shape_type gf_u; [L47] gf_u.value = (x) [L48] EXPR gf_u.word [L48] (ix) = gf_u.word [L50] ix &= 0x7fffffff [L51] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450945, \result=0, ix=0, x=6442450945] [L65] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, res=6442450945, x=6442450951] [L65] COND TRUE !isinf_float(res) [L66] __VERIFIER_error() VAL [res=6442450945, x=6442450951] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 39 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=37occurred 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, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 23 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 03:18:36,959 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 03:18:36,960 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 03:18:36,966 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 03:18:36,966 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 03:18:36,967 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 03:18:36,968 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 03:18:36,969 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 03:18:36,970 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 03:18:36,971 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 03:18:36,971 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 03:18:36,971 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 03:18:36,972 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 03:18:36,972 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 03:18:36,973 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 03:18:36,974 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 03:18:36,974 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 03:18:36,975 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 03:18:36,977 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 03:18:36,977 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 03:18:36,978 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 03:18:36,978 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 03:18:36,979 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 03:18:36,979 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 03:18:36,979 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 03:18:36,980 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 03:18:36,980 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 03:18:36,981 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 03:18:36,981 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 03:18:36,982 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 03:18:36,982 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 03:18:36,983 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 03:18:36,983 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 03:18:36,983 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 03:18:36,983 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 03:18:36,984 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 03:18:36,984 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 03:18:36,994 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 03:18:36,994 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 03:18:36,995 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 03:18:36,995 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 03:18:36,995 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 03:18:36,995 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 03:18:36,995 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 03:18:36,995 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 03:18:36,996 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 03:18:36,996 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 03:18:36,996 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 03:18:36,996 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 03:18:36,997 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 03:18:36,998 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 03:18:36,998 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 03:18:36,998 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 03:18:36,998 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 03:18:36,998 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 03:18:36,998 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 03:18:36,999 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 03:18:36,999 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 03:18:36,999 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:18:36,999 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 03:18:36,999 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 03:18:36,999 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 03:18:36,999 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 03:18:37,000 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 03:18:37,000 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 03:18:37,000 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 03:18:37,000 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_02cb5eb0-b390-49a6-880f-64ceba0781fc/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 -> fd8d3d35d33d053f2e3c181cc7c34f9c77c4e005 [2018-12-03 03:18:37,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 03:18:37,031 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 03:18:37,033 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 03:18:37,034 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 03:18:37,034 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 03:18:37,034 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-03 03:18:37,070 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/7c7508f0d/e7edf2c7e9f0481e9af1512ba56de3d5/FLAG47268a4c1 [2018-12-03 03:18:37,379 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 03:18:37,379 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/sv-benchmarks/c/float-newlib/float_req_bl_1072b_true-unreach-call.c [2018-12-03 03:18:37,384 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/7c7508f0d/e7edf2c7e9f0481e9af1512ba56de3d5/FLAG47268a4c1 [2018-12-03 03:18:37,801 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/data/7c7508f0d/e7edf2c7e9f0481e9af1512ba56de3d5 [2018-12-03 03:18:37,803 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 03:18:37,804 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 03:18:37,805 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 03:18:37,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 03:18:37,808 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 03:18:37,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7a218c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37, skipping insertion in model container [2018-12-03 03:18:37,810 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,815 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 03:18:37,827 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 03:18:37,923 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:18:37,926 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 03:18:37,942 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 03:18:37,956 INFO L195 MainTranslator]: Completed translation [2018-12-03 03:18:37,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37 WrapperNode [2018-12-03 03:18:37,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 03:18:37,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 03:18:37,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 03:18:37,957 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 03:18:37,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,972 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 03:18:37,972 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 03:18:37,972 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 03:18:37,972 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 03:18:37,978 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... [2018-12-03 03:18:37,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 03:18:37,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 03:18:37,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 03:18:37,993 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 03:18:37,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 03:18:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-03 03:18:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-03 03:18:38,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 03:18:38,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 03:18:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 03:18:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_float [2018-12-03 03:18:38,059 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_float [2018-12-03 03:18:38,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-03 03:18:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 03:18:38,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 03:18:38,149 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 03:18:38,187 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 03:18:38,232 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 03:18:38,232 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-03 03:18:38,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:38 BoogieIcfgContainer [2018-12-03 03:18:38,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 03:18:38,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 03:18:38,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 03:18:38,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 03:18:38,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 03:18:37" (1/3) ... [2018-12-03 03:18:38,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d14cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:18:38, skipping insertion in model container [2018-12-03 03:18:38,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:18:37" (2/3) ... [2018-12-03 03:18:38,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71d14cf4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 03:18:38, skipping insertion in model container [2018-12-03 03:18:38,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:38" (3/3) ... [2018-12-03 03:18:38,237 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1072b_true-unreach-call.c [2018-12-03 03:18:38,243 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 03:18:38,247 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 03:18:38,255 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 03:18:38,272 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 03:18:38,272 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 03:18:38,272 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 03:18:38,273 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 03:18:38,273 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 03:18:38,273 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 03:18:38,273 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 03:18:38,273 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 03:18:38,273 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 03:18:38,282 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-03 03:18:38,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-03 03:18:38,286 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:18:38,286 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:18:38,288 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:18:38,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:18:38,291 INFO L82 PathProgramCache]: Analyzing trace with hash 503658527, now seen corresponding path program 1 times [2018-12-03 03:18:38,293 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 03:18:38,294 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-03 03:18:38,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:18:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:18:38,355 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:18:38,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:18:38,367 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 03:18:38,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:18:38,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 03:18:38,380 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 03:18:38,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 03:18:38,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:18:38,389 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-12-03 03:18:38,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:18:38,402 INFO L93 Difference]: Finished difference Result 64 states and 87 transitions. [2018-12-03 03:18:38,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 03:18:38,402 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-03 03:18:38,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:18:38,407 INFO L225 Difference]: With dead ends: 64 [2018-12-03 03:18:38,407 INFO L226 Difference]: Without dead ends: 32 [2018-12-03 03:18:38,409 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 03:18:38,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-03 03:18:38,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-03 03:18:38,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-03 03:18:38,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-12-03 03:18:38,431 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 23 [2018-12-03 03:18:38,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:18:38,431 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-12-03 03:18:38,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 03:18:38,431 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-12-03 03:18:38,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-03 03:18:38,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:18:38,432 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] [2018-12-03 03:18:38,432 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:18:38,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:18:38,432 INFO L82 PathProgramCache]: Analyzing trace with hash -723579698, now seen corresponding path program 1 times [2018-12-03 03:18:38,433 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 03:18:38,433 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-03 03:18:38,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:18:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:18:38,485 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:18:38,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:18:38,545 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 03:18:38,552 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:18:38,553 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 03:18:38,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 03:18:38,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 03:18:38,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 03:18:38,555 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 6 states. [2018-12-03 03:18:38,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:18:38,872 INFO L93 Difference]: Finished difference Result 48 states and 49 transitions. [2018-12-03 03:18:38,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 03:18:38,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-12-03 03:18:38,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:18:38,875 INFO L225 Difference]: With dead ends: 48 [2018-12-03 03:18:38,875 INFO L226 Difference]: Without dead ends: 35 [2018-12-03 03:18:38,876 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-03 03:18:38,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-03 03:18:38,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-12-03 03:18:38,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-03 03:18:38,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2018-12-03 03:18:38,880 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 25 [2018-12-03 03:18:38,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:18:38,881 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2018-12-03 03:18:38,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 03:18:38,881 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2018-12-03 03:18:38,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-03 03:18:38,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:18:38,881 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:18:38,882 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:18:38,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:18:38,882 INFO L82 PathProgramCache]: Analyzing trace with hash -1367100721, now seen corresponding path program 1 times [2018-12-03 03:18:38,882 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 03:18:38,883 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-03 03:18:38,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:18:38,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:18:38,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:18:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:18:39,081 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 03:18:39,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:18:39,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-03 03:18:39,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-03 03:18:39,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-03 03:18:39,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-03 03:18:39,093 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 11 states. [2018-12-03 03:18:39,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:18:39,413 INFO L93 Difference]: Finished difference Result 40 states and 41 transitions. [2018-12-03 03:18:39,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 03:18:39,414 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-12-03 03:18:39,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:18:39,414 INFO L225 Difference]: With dead ends: 40 [2018-12-03 03:18:39,415 INFO L226 Difference]: Without dead ends: 31 [2018-12-03 03:18:39,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-03 03:18:39,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-03 03:18:39,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-03 03:18:39,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-03 03:18:39,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-12-03 03:18:39,420 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 26 [2018-12-03 03:18:39,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:18:39,420 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-12-03 03:18:39,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-03 03:18:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-12-03 03:18:39,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-12-03 03:18:39,421 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 03:18:39,421 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 03:18:39,421 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 03:18:39,421 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 03:18:39,422 INFO L82 PathProgramCache]: Analyzing trace with hash -69324930, now seen corresponding path program 1 times [2018-12-03 03:18:39,422 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 03:18:39,422 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-03 03:18:39,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 03:18:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 03:18:39,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 03:18:39,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 03:18:39,534 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 03:18:39,540 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 03:18:39,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 03:18:39,541 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 03:18:39,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 03:18:39,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 03:18:39,541 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 7 states. [2018-12-03 03:18:39,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 03:18:39,754 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-12-03 03:18:39,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 03:18:39,755 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 28 [2018-12-03 03:18:39,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 03:18:39,755 INFO L225 Difference]: With dead ends: 31 [2018-12-03 03:18:39,755 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 03:18:39,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 03:18:39,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 03:18:39,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 03:18:39,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 03:18:39,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 03:18:39,756 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2018-12-03 03:18:39,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 03:18:39,756 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 03:18:39,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 03:18:39,756 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 03:18:39,756 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 03:18:39,759 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 03:18:39,864 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 43 52) the Hoare annotation is: true [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 45 49) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L444 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 43 52) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 43 52) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-03 03:18:39,865 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 03:18:39,865 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= .cse0 main_~res~0) (= main_~x~0 .cse0))) [2018-12-03 03:18:39,865 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 68) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 66) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L444 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-12-03 03:18:39,866 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 54 71) the Hoare annotation is: true [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point L62-1(line 62) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 54 71) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 54 71) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 29 33) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L444 ceAbstractionStarter]: At program point L29-2(lines 29 33) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point L23-1(lines 23 27) no Hoare annotation was computed. [2018-12-03 03:18:39,866 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 34) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L444 ceAbstractionStarter]: At program point L23-2(lines 23 27) the Hoare annotation is: (and (= trunc_float_~x |trunc_float_#in~x|) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (bvslt (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((trunc_float_~w~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|) (= (bvadd (bvashr (bvand (_ bv2139095040 32) trunc_float_~w~0) (_ bv23 32)) (_ bv4294967169 32)) trunc_float_~exponent_less_127~0))) (= (fp ((_ extract 31 31) trunc_float_~w~0) ((_ extract 30 23) trunc_float_~w~0) ((_ extract 22 0) trunc_float_~w~0)) |trunc_float_#in~x|)) [2018-12-03 03:18:39,867 INFO L451 ceAbstractionStarter]: At program point trunc_floatENTRY(lines 11 40) the Hoare annotation is: true [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point L13-1(lines 13 17) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L444 ceAbstractionStarter]: At program point L13-2(lines 13 17) the Hoare annotation is: (= trunc_float_~x |trunc_float_#in~x|) [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point L13-3(lines 13 17) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point trunc_floatEXIT(lines 11 40) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point trunc_floatFINAL(lines 11 40) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point L20(lines 20 38) no Hoare annotation was computed. [2018-12-03 03:18:39,867 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 38) no Hoare annotation was computed. [2018-12-03 03:18:39,874 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,875 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,876 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,877 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,878 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,879 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,880 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 03:18:39 BoogieIcfgContainer [2018-12-03 03:18:39,881 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 03:18:39,882 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 03:18:39,882 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 03:18:39,882 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 03:18:39,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:18:38" (3/4) ... [2018-12-03 03:18:39,884 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 03:18:39,888 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-03 03:18:39,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 03:18:39,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 03:18:39,889 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_float [2018-12-03 03:18:39,891 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-03 03:18:39,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-03 03:18:39,892 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 03:18:39,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-03 03:18:39,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-03 03:18:39,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-12-03 03:18:39,908 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) [2018-12-03 03:18:39,919 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_02cb5eb0-b390-49a6-880f-64ceba0781fc/bin-2019/utaipan/witness.graphml [2018-12-03 03:18:39,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 03:18:39,919 INFO L168 Benchmark]: Toolchain (without parser) took 2116.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 943.4 MB in the beginning and 937.4 MB in the end (delta: 6.0 MB). Peak memory consumption was 134.5 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:39,920 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:18:39,920 INFO L168 Benchmark]: CACSL2BoogieTranslator took 151.82 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:39,921 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.33 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:39,921 INFO L168 Benchmark]: Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 03:18:39,921 INFO L168 Benchmark]: RCFGBuilder took 239.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:39,921 INFO L168 Benchmark]: TraceAbstraction took 1648.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.1 MB in the end (delta: 153.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:39,921 INFO L168 Benchmark]: Witness Printer took 37.30 ms. Allocated memory is still 1.2 GB. Free memory was 944.1 MB in the beginning and 937.4 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-03 03:18:39,923 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 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 151.82 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 932.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.33 ms. Allocated memory is still 1.0 GB. Free memory was 932.6 MB in the beginning and 927.3 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.82 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 239.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 14.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1648.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 944.1 MB in the end (delta: 153.1 MB). Peak memory consumption was 153.1 MB. Max. memory is 11.5 GB. * Witness Printer took 37.30 ms. Allocated memory is still 1.2 GB. Free memory was 944.1 MB in the beginning and 937.4 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 66]: 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: 13]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 29]: Loop Invariant [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 23]: Loop Invariant [2018-12-03 03:18:39,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] [2018-12-03 03:18:39,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[trunc_float_~w~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32), 23bv32))) && (\exists trunc_float_~w~0 : bv32 :: ~fp~LONGDOUBLE(trunc_float_~w~0[31:31], trunc_float_~w~0[30:23], trunc_float_~w~0[22:0]) == \old(x) && ~bvadd64(~bvashr32(~bvand32(2139095040bv32, trunc_float_~w~0), 23bv32), 4294967169bv32) == exponent_less_127)) && ~fp~LONGDOUBLE(w[31:31], w[30:23], w[22:0]) == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 101 SDtfs, 74 SDslu, 320 SDs, 0 SdLazy, 135 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 79 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 18 PreInvPairs, 23 NumberOfFragments, 146 HoareAnnotationTreeSize, 18 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 102 NumberOfCodeBlocks, 102 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 98 ConstructedInterpolants, 11 QuantifiedInterpolants, 11993 SizeOfPredicates, 12 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 32 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...