./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720_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_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ............................................................................................................................................................................................................................................................................................................... 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_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 14:33:57,641 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:33:57,642 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:33:57,648 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:33:57,648 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:33:57,648 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:33:57,649 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:33:57,650 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:33:57,650 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:33:57,651 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:33:57,651 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:33:57,651 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:33:57,652 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:33:57,652 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:33:57,653 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:33:57,653 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:33:57,654 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:33:57,655 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:33:57,656 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:33:57,656 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:33:57,657 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:33:57,658 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:33:57,659 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:33:57,659 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:33:57,659 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:33:57,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:33:57,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:33:57,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:33:57,661 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:33:57,661 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:33:57,661 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:33:57,662 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:33:57,662 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:33:57,662 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:33:57,663 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:33:57,663 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:33:57,663 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 14:33:57,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:33:57,671 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:33:57,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:33:57,671 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:33:57,671 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 14:33:57,671 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 14:33:57,671 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 14:33:57,671 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 14:33:57,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:33:57,672 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:33:57,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:33:57,673 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:33:57,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 14:33:57,674 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 14:33:57,674 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_e1a93330-7477-43de-bca7-1342a680c07a/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2018-12-09 14:33:57,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:33:57,698 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:33:57,700 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:33:57,701 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:33:57,701 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:33:57,702 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-09 14:33:57,738 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/b9283b521/11862206576b4a32a601142376b9cdcd/FLAGf2c6a6417 [2018-12-09 14:33:58,177 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:33:58,177 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-09 14:33:58,181 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/b9283b521/11862206576b4a32a601142376b9cdcd/FLAGf2c6a6417 [2018-12-09 14:33:58,190 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/b9283b521/11862206576b4a32a601142376b9cdcd [2018-12-09 14:33:58,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:33:58,193 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:33:58,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:33:58,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:33:58,195 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:33:58,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e1e261 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58, skipping insertion in model container [2018-12-09 14:33:58,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:33:58,218 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:33:58,328 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:33:58,330 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:33:58,353 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:33:58,394 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:33:58,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58 WrapperNode [2018-12-09 14:33:58,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:33:58,395 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:33:58,395 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:33:58,395 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:33:58,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,406 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:33:58,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:33:58,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:33:58,410 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:33:58,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,418 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,425 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,429 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... [2018-12-09 14:33:58,432 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:33:58,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:33:58,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:33:58,432 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:33:58,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 14:33:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:33:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 14:33:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:33:58,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:33:58,464 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-09 14:33:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 14:33:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:33:58,465 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:33:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 14:33:58,465 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 14:33:58,681 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:33:58,681 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 14:33:58,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:33:58 BoogieIcfgContainer [2018-12-09 14:33:58,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:33:58,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:33:58,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:33:58,684 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:33:58,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:33:58" (1/3) ... [2018-12-09 14:33:58,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f32d3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:33:58, skipping insertion in model container [2018-12-09 14:33:58,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:33:58" (2/3) ... [2018-12-09 14:33:58,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f32d3e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:33:58, skipping insertion in model container [2018-12-09 14:33:58,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:33:58" (3/3) ... [2018-12-09 14:33:58,686 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-09 14:33:58,692 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:33:58,696 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:33:58,705 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:33:58,723 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:33:58,723 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:33:58,723 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:33:58,723 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:33:58,723 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:33:58,723 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:33:58,723 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:33:58,723 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:33:58,733 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-09 14:33:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 14:33:58,737 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:33:58,737 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] [2018-12-09 14:33:58,739 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:33:58,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:33:58,742 INFO L82 PathProgramCache]: Analyzing trace with hash -429811670, now seen corresponding path program 1 times [2018-12-09 14:33:58,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:33:58,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:33:58,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:33:58,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:33:58,771 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:33:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:33:58,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:33:58,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:33:58,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 14:33:58,818 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 14:33:58,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 14:33:58,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 14:33:58,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:33:58,830 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-09 14:33:58,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:33:58,843 INFO L93 Difference]: Finished difference Result 116 states and 172 transitions. [2018-12-09 14:33:58,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 14:33:58,844 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-09 14:33:58,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:33:58,850 INFO L225 Difference]: With dead ends: 116 [2018-12-09 14:33:58,850 INFO L226 Difference]: Without dead ends: 58 [2018-12-09 14:33:58,852 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 [2018-12-09 14:33:58,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-09 14:33:58,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-09 14:33:58,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-09 14:33:58,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2018-12-09 14:33:58,875 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 20 [2018-12-09 14:33:58,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:33:58,875 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2018-12-09 14:33:58,875 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 14:33:58,875 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-12-09 14:33:58,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 14:33:58,875 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:33:58,876 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:33:58,876 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:33:58,876 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:33:58,876 INFO L82 PathProgramCache]: Analyzing trace with hash 1876471549, now seen corresponding path program 1 times [2018-12-09 14:33:58,876 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 14:33:58,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:33:58,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:33:58,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 14:33:58,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 14:33:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 14:33:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 14:33:58,921 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 14:33:58,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:33:58 BoogieIcfgContainer [2018-12-09 14:33:58,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:33:58,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:33:58,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:33:58,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:33:58,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:33:58" (3/4) ... [2018-12-09 14:33:58,941 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 14:33:58,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:33:58,941 INFO L168 Benchmark]: Toolchain (without parser) took 749.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.8 MB in the beginning and 1.0 GB in the end (delta: -88.7 MB). Peak memory consumption was 16.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:33:58,942 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 14:33:58,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 200.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-09 14:33:58,943 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:33:58,943 INFO L168 Benchmark]: Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:33:58,944 INFO L168 Benchmark]: RCFGBuilder took 249.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. [2018-12-09 14:33:58,944 INFO L168 Benchmark]: TraceAbstraction took 256.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. [2018-12-09 14:33:58,944 INFO L168 Benchmark]: Witness Printer took 2.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:33:58,946 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 200.90 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 249.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 27.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 256.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 33.3 MB). Peak memory consumption was 33.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.57 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 145]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 18, overapproximation of someBinaryArithmeticDOUBLEoperation at line 36, overapproximation of bitwiseAnd at line 35. Possible FailurePath: [L20] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450952, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = 0.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L141] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450953, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L23] double z; [L24] __int32_t sign = 0x80000000; [L25] __uint32_t r, t1, s1, ix1, q1; [L26] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450953, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L29] ieee_double_shape_type ew_u; [L30] ew_u.value = (x) [L31] EXPR ew_u.parts.msw [L31] (ix0) = ew_u.parts.msw [L32] EXPR ew_u.parts.lsw [L32] (ix1) = ew_u.parts.lsw [L35] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L36] return x * x + x; VAL [\old(x)=6442450953, ix0=-2147483648, ix1=6442450949, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L141] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L141] double res = __ieee754_sqrt(x); [L144] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L18] return x != x; VAL [\old(x)=6442450951, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L144] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L144] COND TRUE !isnan_double(res) [L145] __VERIFIER_error() VAL [one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 62 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 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=62occurred 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 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 [2018-12-09 14:34:00,274 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 14:34:00,275 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 14:34:00,281 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 14:34:00,282 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 14:34:00,282 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 14:34:00,283 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 14:34:00,284 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 14:34:00,284 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 14:34:00,285 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 14:34:00,285 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 14:34:00,285 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 14:34:00,286 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 14:34:00,286 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 14:34:00,287 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 14:34:00,287 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 14:34:00,288 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 14:34:00,288 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 14:34:00,289 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 14:34:00,290 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 14:34:00,291 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 14:34:00,291 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 14:34:00,292 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 14:34:00,292 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 14:34:00,292 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 14:34:00,293 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 14:34:00,293 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 14:34:00,294 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 14:34:00,294 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 14:34:00,295 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 14:34:00,295 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 14:34:00,295 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 14:34:00,295 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 14:34:00,295 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 14:34:00,296 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 14:34:00,296 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 14:34:00,296 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-09 14:34:00,303 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 14:34:00,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 14:34:00,304 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 14:34:00,304 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 14:34:00,304 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 14:34:00,304 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 14:34:00,304 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 14:34:00,304 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 14:34:00,304 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 14:34:00,305 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 14:34:00,305 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 14:34:00,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 14:34:00,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 14:34:00,307 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 14:34:00,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 14:34:00,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 14:34:00,307 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 14:34:00,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 14:34:00,307 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 14:34:00,307 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-09 14:34:00,307 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_e1a93330-7477-43de-bca7-1342a680c07a/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 -> 8e02dcef35ad2f5a687bc8bb1bb905c7949799d0 [2018-12-09 14:34:00,325 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 14:34:00,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 14:34:00,335 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 14:34:00,336 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 14:34:00,337 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 14:34:00,337 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-09 14:34:00,374 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/748124f90/95b94c97d3444df3b90fb95c9b3e2e51/FLAGa6ce31195 [2018-12-09 14:34:00,710 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 14:34:00,710 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-09 14:34:00,714 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/748124f90/95b94c97d3444df3b90fb95c9b3e2e51/FLAGa6ce31195 [2018-12-09 14:34:01,100 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/data/748124f90/95b94c97d3444df3b90fb95c9b3e2e51 [2018-12-09 14:34:01,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 14:34:01,103 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 14:34:01,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 14:34:01,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 14:34:01,107 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 14:34:01,107 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c435b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01, skipping insertion in model container [2018-12-09 14:34:01,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 14:34:01,132 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 14:34:01,237 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:34:01,241 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 14:34:01,265 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 14:34:01,281 INFO L195 MainTranslator]: Completed translation [2018-12-09 14:34:01,281 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01 WrapperNode [2018-12-09 14:34:01,281 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 14:34:01,282 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 14:34:01,282 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 14:34:01,282 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 14:34:01,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,297 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 14:34:01,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 14:34:01,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 14:34:01,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 14:34:01,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,335 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,336 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... [2018-12-09 14:34:01,357 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 14:34:01,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 14:34:01,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 14:34:01,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 14:34:01,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 [2018-12-09 14:34:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-09 14:34:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-09 14:34:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-09 14:34:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-09 14:34:01,388 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 14:34:01,388 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-09 14:34:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 14:34:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 14:34:01,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 14:34:01,389 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 14:34:01,790 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 14:34:03,255 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 14:34:03,255 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-09 14:34:03,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:34:03 BoogieIcfgContainer [2018-12-09 14:34:03,255 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 14:34:03,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 14:34:03,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 14:34:03,257 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 14:34:03,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 02:34:01" (1/3) ... [2018-12-09 14:34:03,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f93d21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:34:03, skipping insertion in model container [2018-12-09 14:34:03,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 02:34:01" (2/3) ... [2018-12-09 14:34:03,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f93d21b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 02:34:03, skipping insertion in model container [2018-12-09 14:34:03,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:34:03" (3/3) ... [2018-12-09 14:34:03,259 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-09 14:34:03,265 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 14:34:03,269 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 14:34:03,277 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 14:34:03,294 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 14:34:03,294 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 14:34:03,294 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 14:34:03,294 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 14:34:03,294 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 14:34:03,294 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 14:34:03,295 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 14:34:03,295 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 14:34:03,295 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 14:34:03,304 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-09 14:34:03,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-09 14:34:03,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:34:03,308 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:34:03,309 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:34:03,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:34:03,312 INFO L82 PathProgramCache]: Analyzing trace with hash 295214612, now seen corresponding path program 1 times [2018-12-09 14:34:03,314 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 14:34:03,315 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 [2018-12-09 14:34:03,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:34:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:34:03,603 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:34:03,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:34:03,614 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 14:34:03,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:34:03,625 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 14:34:03,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 14:34:03,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 14:34:03,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:34:03,636 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-09 14:34:03,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:34:03,650 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2018-12-09 14:34:03,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 14:34:03,651 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-09 14:34:03,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:34:03,657 INFO L225 Difference]: With dead ends: 114 [2018-12-09 14:34:03,657 INFO L226 Difference]: Without dead ends: 57 [2018-12-09 14:34:03,659 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 14:34:03,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-09 14:34:03,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-09 14:34:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-09 14:34:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-12-09 14:34:03,683 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 19 [2018-12-09 14:34:03,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:34:03,683 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-12-09 14:34:03,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 14:34:03,684 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-09 14:34:03,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 14:34:03,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:34:03,684 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] [2018-12-09 14:34:03,685 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:34:03,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:34:03,685 INFO L82 PathProgramCache]: Analyzing trace with hash 438908261, now seen corresponding path program 1 times [2018-12-09 14:34:03,685 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 14:34:03,685 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 [2018-12-09 14:34:03,688 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:34:03,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:34:03,976 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:34:12,413 WARN L180 SmtUtils]: Spent 2.13 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 14:34:20,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:34:20,688 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 14:34:20,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:34:20,699 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 14:34:20,700 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:34:20,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:34:20,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=55, Unknown=2, NotChecked=0, Total=72 [2018-12-09 14:34:20,700 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 9 states. [2018-12-09 14:34:36,276 WARN L180 SmtUtils]: Spent 6.84 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-09 14:34:50,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:34:50,475 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2018-12-09 14:34:50,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 14:34:50,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-09 14:34:50,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:34:50,477 INFO L225 Difference]: With dead ends: 64 [2018-12-09 14:34:50,477 INFO L226 Difference]: Without dead ends: 57 [2018-12-09 14:34:50,478 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 29.7s TimeCoverageRelationStatistics Valid=33, Invalid=121, Unknown=2, NotChecked=0, Total=156 [2018-12-09 14:34:50,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-09 14:34:50,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-09 14:34:50,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-09 14:34:50,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-09 14:34:50,485 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 20 [2018-12-09 14:34:50,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:34:50,485 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-09 14:34:50,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:34:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-09 14:34:50,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 14:34:50,486 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:34:50,486 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:34:50,486 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:34:50,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:34:50,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1464284033, now seen corresponding path program 1 times [2018-12-09 14:34:50,486 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 14:34:50,487 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 [2018-12-09 14:34:50,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:34:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:34:50,529 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:34:50,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:34:50,619 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 14:34:50,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:34:50,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:34:50,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:34:50,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:34:50,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:34:50,627 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 6 states. [2018-12-09 14:34:53,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:34:53,581 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2018-12-09 14:34:53,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:34:53,583 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-09 14:34:53,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:34:53,584 INFO L225 Difference]: With dead ends: 105 [2018-12-09 14:34:53,584 INFO L226 Difference]: Without dead ends: 62 [2018-12-09 14:34:53,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:34:53,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-09 14:34:53,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2018-12-09 14:34:53,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-09 14:34:53,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2018-12-09 14:34:53,590 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 22 [2018-12-09 14:34:53,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:34:53,590 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2018-12-09 14:34:53,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:34:53,590 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-12-09 14:34:53,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 14:34:53,591 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:34:53,591 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] [2018-12-09 14:34:53,591 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:34:53,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:34:53,591 INFO L82 PathProgramCache]: Analyzing trace with hash -428456562, now seen corresponding path program 1 times [2018-12-09 14:34:53,591 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 14:34:53,591 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/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 [2018-12-09 14:34:53,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:34:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:34:54,202 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:35:07,835 WARN L180 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-09 14:35:23,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:35:23,306 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 14:35:23,325 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:35:23,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 14:35:23,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 14:35:23,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 14:35:23,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=54, Unknown=3, NotChecked=0, Total=72 [2018-12-09 14:35:23,325 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. Second operand 9 states. [2018-12-09 14:35:47,260 WARN L180 SmtUtils]: Spent 9.65 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-09 14:36:06,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:36:06,819 INFO L93 Difference]: Finished difference Result 64 states and 80 transitions. [2018-12-09 14:36:07,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 14:36:07,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-09 14:36:07,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:36:07,133 INFO L225 Difference]: With dead ends: 64 [2018-12-09 14:36:07,133 INFO L226 Difference]: Without dead ends: 57 [2018-12-09 14:36:07,133 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 52.7s TimeCoverageRelationStatistics Valid=33, Invalid=120, Unknown=3, NotChecked=0, Total=156 [2018-12-09 14:36:07,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-09 14:36:07,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-09 14:36:07,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-09 14:36:07,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2018-12-09 14:36:07,138 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 23 [2018-12-09 14:36:07,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:36:07,138 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2018-12-09 14:36:07,139 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 14:36:07,139 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-12-09 14:36:07,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 14:36:07,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 14:36:07,139 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 14:36:07,139 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 14:36:07,140 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 14:36:07,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1375058646, now seen corresponding path program 1 times [2018-12-09 14:36:07,140 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-09 14:36:07,140 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-09 14:36:07,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 14:36:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 14:36:07,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 14:36:07,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 14:36:07,267 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 14:36:07,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 14:36:07,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 14:36:07,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 14:36:07,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 14:36:07,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 14:36:07,276 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 6 states. [2018-12-09 14:36:07,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 14:36:07,787 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2018-12-09 14:36:07,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 14:36:07,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-12-09 14:36:07,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 14:36:07,788 INFO L225 Difference]: With dead ends: 60 [2018-12-09 14:36:07,788 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 14:36:07,789 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-09 14:36:07,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 14:36:07,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 14:36:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 14:36:07,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 14:36:07,789 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-09 14:36:07,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 14:36:07,789 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 14:36:07,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 14:36:07,789 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 14:36:07,789 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 14:36:07,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 14:36:08,195 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-09 14:36:08,196 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L444 ceAbstractionStarter]: At program point L85-2(lines 85 101) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L444 ceAbstractionStarter]: At program point L28-2(lines 28 33) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-12-09 14:36:08,197 INFO L444 ceAbstractionStarter]: At program point L53-3(lines 53 54) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-09 14:36:08,197 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L444 ceAbstractionStarter]: At program point L72-2(lines 72 82) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L444 ceAbstractionStarter]: At program point L48-2(lines 48 52) the Hoare annotation is: (let ((.cse0 (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|)) (.cse1 (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32)))) (or (and .cse0 (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64)) (__ieee754_sqrt_~ix1~0 (_ BitVec 32))) (and (= (bvor (bvand ((_ extract 63 32) |v_q#valueAsBitvector_2|) (_ bv2147483647 32)) __ieee754_sqrt_~ix1~0) (_ bv0 32)) (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|))) .cse1) (and .cse0 (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) .cse1 (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (= __ieee754_sqrt_~ix0~0 ((_ extract 63 32) |v_q#valueAsBitvector_2|))))))) [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-09 14:36:08,198 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L444 ceAbstractionStarter]: At program point L123-2(lines 123 128) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_3| (_ BitVec 64))) (and (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_3|)) (_ bv2148532224 32)) (_ bv0 32))) (= |__ieee754_sqrt_#in~x| (fp ((_ extract 63 63) |v_q#valueAsBitvector_3|) ((_ extract 62 52) |v_q#valueAsBitvector_3|) ((_ extract 51 0) |v_q#valueAsBitvector_3|))))) (= (bvadd __ieee754_sqrt_~sign~0 (_ bv2147483648 32)) (_ bv0 32))) [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 18) the Hoare annotation is: true [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 18) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 18) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 14:36:08,199 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 14:36:08,199 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 14:36:08,200 INFO L444 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 144 147) no Hoare annotation was computed. [2018-12-09 14:36:08,200 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 132 150) the Hoare annotation is: true [2018-12-09 14:36:08,200 INFO L444 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 132 150) no Hoare annotation was computed. [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point L141-1(line 141) no Hoare annotation was computed. [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-09 14:36:08,200 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 132 150) no Hoare annotation was computed. [2018-12-09 14:36:08,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,207 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,208 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,208 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,208 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,208 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,208 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,209 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,210 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-09 14:36:08,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,211 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,212 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,213 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,214 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,215 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 02:36:08 BoogieIcfgContainer [2018-12-09 14:36:08,217 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 14:36:08,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 14:36:08,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 14:36:08,217 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 14:36:08,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 02:34:03" (3/4) ... [2018-12-09 14:36:08,220 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 14:36:08,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-09 14:36:08,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-09 14:36:08,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 14:36:08,224 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 14:36:08,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-09 14:36:08,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 14:36:08,227 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 14:36:08,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-09 14:36:08,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64, __ieee754_sqrt_~ix1~0 : bv32 :: ~bvor32(~bvand32(v_q#valueAsBitvector_2[63:32], 2147483647bv32), __ieee754_sqrt_~ix1~0) == 0bv32 && ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) || (((x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && ix0 == v_q#valueAsBitvector_2[63:32])) [2018-12-09 14:36:08,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-09 14:36:08,243 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-09 14:36:08,244 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-09 14:36:08,244 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-09 14:36:08,261 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e1a93330-7477-43de-bca7-1342a680c07a/bin-2019/utaipan/witness.graphml [2018-12-09 14:36:08,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 14:36:08,261 INFO L168 Benchmark]: Toolchain (without parser) took 127159.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 942.0 MB in the beginning and 820.6 MB in the end (delta: 121.4 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:36:08,262 INFO L168 Benchmark]: CDTParser took 0.12 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. [2018-12-09 14:36:08,262 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.68 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-09 14:36:08,262 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.85 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 14:36:08,262 INFO L168 Benchmark]: Boogie Preprocessor took 59.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-09 14:36:08,263 INFO L168 Benchmark]: RCFGBuilder took 1898.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. [2018-12-09 14:36:08,263 INFO L168 Benchmark]: TraceAbstraction took 124961.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 827.3 MB in the end (delta: 241.0 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. [2018-12-09 14:36:08,263 INFO L168 Benchmark]: Witness Printer took 44.07 ms. Allocated memory is still 1.1 GB. Free memory was 827.3 MB in the beginning and 820.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 14:36:08,264 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.68 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.85 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1898.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.2 MB). Peak memory consumption was 33.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 124961.05 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 827.3 MB in the end (delta: 241.0 MB). Peak memory consumption was 241.0 MB. Max. memory is 11.5 GB. * Witness Printer took 44.07 ms. Allocated memory is still 1.1 GB. Free memory was 827.3 MB in the beginning and 820.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 28]: Loop Invariant Derived loop invariant: x == \old(x) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 72]: Loop Invariant [2018-12-09 14:36:08,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,267 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 53]: Loop Invariant [2018-12-09 14:36:08,268 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,269 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 123]: Loop Invariant [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,270 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - InvariantResult [Line: 48]: Loop Invariant [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,271 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,272 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,273 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: ((x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64, __ieee754_sqrt_~ix1~0 : bv32 :: ~bvor32(~bvand32(v_q#valueAsBitvector_2[63:32], 2147483647bv32), __ieee754_sqrt_~ix1~0) == 0bv32 && ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) || (((x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && ix0 == v_q#valueAsBitvector_2[63:32])) - InvariantResult [Line: 85]: Loop Invariant [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,274 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-09 14:36:08,275 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_q#valueAsBitvector_3 : bv64 :: !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_3[63:32]), 2148532224bv32) == 0bv32) && \old(x) == ~fp~LONGDOUBLE(v_q#valueAsBitvector_3[63:63], v_q#valueAsBitvector_3[62:52], v_q#valueAsBitvector_3[51:0]))) && ~bvadd64(sign, 2147483648bv32) == 0bv32 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. SAFE Result, 124.9s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 77.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 358 SDtfs, 352 SDslu, 1118 SDs, 0 SdLazy, 291 SolverSat, 16 SolverUnsat, 5 SolverUnknown, 0 SolverNotchecked, 35.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 82.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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, 5 MinimizatonAttempts, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 18 PreInvPairs, 32 NumberOfFragments, 235 HoareAnnotationTreeSize, 18 FomulaSimplifications, 101 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 163 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 46.0s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 115 ConstructedInterpolants, 26 QuantifiedInterpolants, 23326 SizeOfPredicates, 16 NumberOfNonLiveVariables, 356 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...