./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_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:48,386 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:22:48,387 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:22:48,393 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:22:48,393 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:22:48,394 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:22:48,395 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:22:48,396 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:22:48,396 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:22:48,397 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:22:48,397 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:22:48,397 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:22:48,398 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:22:48,398 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:22:48,399 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:22:48,399 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:22:48,400 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:22:48,401 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:22:48,402 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:22:48,403 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:22:48,403 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:22:48,404 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:22:48,405 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:22:48,405 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:22:48,405 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:22:48,406 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:22:48,407 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:22:48,407 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:22:48,407 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:22:48,408 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:22:48,408 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:22:48,409 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:22:48,409 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:22:48,409 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:22:48,410 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:22:48,410 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:22:48,410 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:22:48,417 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:22:48,418 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:22:48,418 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:22:48,418 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:22:48,418 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:22:48,419 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:22:48,419 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:22:48,420 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:22:48,420 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:22:48,420 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:22:48,420 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:22:48,420 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:22:48,420 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:22:48,421 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:22:48,421 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:22:48,422 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:22:48,422 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:22:48,422 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:22:48,422 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:22:48,422 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:22:48,422 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:22:48,422 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:22:48,423 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:22:48,423 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:22:48,423 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_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:48,441 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:22:48,449 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:22:48,452 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:22:48,453 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:22:48,453 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:22:48,454 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-02 04:22:48,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/78fe05171/6da6958d5f47421fa44fa634a2212184/FLAG3baba71df [2018-12-02 04:22:48,919 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:22:48,920 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-02 04:22:48,924 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/78fe05171/6da6958d5f47421fa44fa634a2212184/FLAG3baba71df [2018-12-02 04:22:48,932 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/78fe05171/6da6958d5f47421fa44fa634a2212184 [2018-12-02 04:22:48,934 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:22:48,935 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:22:48,935 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:22:48,936 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:22:48,938 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:22:48,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:48" (1/1) ... [2018-12-02 04:22:48,940 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:48, skipping insertion in model container [2018-12-02 04:22:48,940 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:48" (1/1) ... [2018-12-02 04:22:48,945 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:22:48,956 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:22:49,061 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:22:49,063 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:22:49,085 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:22:49,126 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:22:49,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49 WrapperNode [2018-12-02 04:22:49,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:22:49,127 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:22:49,128 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:22:49,128 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:22:49,133 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,139 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,145 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:22:49,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:22:49,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:22:49,146 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:22:49,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,155 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,155 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,169 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... [2018-12-02 04:22:49,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:22:49,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:22:49,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:22:49,171 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:22:49,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 04:22:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 04:22:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:22:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:22:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 04:22:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 04:22:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 04:22:49,202 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 04:22:49,202 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:22:49,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:22:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 04:22:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:22:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:22:49,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:22:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 04:22:49,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:22:49,411 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:22:49,412 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 04:22:49,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:49 BoogieIcfgContainer [2018-12-02 04:22:49,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:22:49,412 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:22:49,412 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:22:49,414 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:22:49,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:22:48" (1/3) ... [2018-12-02 04:22:49,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338ac262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:49, skipping insertion in model container [2018-12-02 04:22:49,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:49" (2/3) ... [2018-12-02 04:22:49,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@338ac262 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:49, skipping insertion in model container [2018-12-02 04:22:49,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:49" (3/3) ... [2018-12-02 04:22:49,416 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-02 04:22:49,421 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:22:49,426 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:22:49,435 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:22:49,452 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:22:49,452 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:22:49,452 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:22:49,452 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:22:49,453 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:22:49,453 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:22:49,453 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:22:49,453 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:22:49,464 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-02 04:22:49,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 04:22:49,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:22:49,470 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] [2018-12-02 04:22:49,472 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:22:49,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:22:49,476 INFO L82 PathProgramCache]: Analyzing trace with hash -429811670, now seen corresponding path program 1 times [2018-12-02 04:22:49,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:22:49,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:22:49,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:22:49,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:22:49,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:22:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:22:49,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:22:49,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:22:49,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:22:49,560 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:22:49,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:22:49,570 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:22:49,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:22:49,571 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-02 04:22:49,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:22:49,585 INFO L93 Difference]: Finished difference Result 116 states and 172 transitions. [2018-12-02 04:22:49,585 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:22:49,586 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-02 04:22:49,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:22:49,592 INFO L225 Difference]: With dead ends: 116 [2018-12-02 04:22:49,593 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 04:22:49,594 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 [2018-12-02 04:22:49,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 04:22:49,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 04:22:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 04:22:49,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2018-12-02 04:22:49,617 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 20 [2018-12-02 04:22:49,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:22:49,618 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2018-12-02 04:22:49,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:22:49,618 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-12-02 04:22:49,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 04:22:49,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:22:49,618 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] [2018-12-02 04:22:49,619 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:22:49,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:22:49,619 INFO L82 PathProgramCache]: Analyzing trace with hash 1876471549, now seen corresponding path program 1 times [2018-12-02 04:22:49,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:22:49,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:22:49,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:22:49,620 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:22:49,620 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:22:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:22:49,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 04:22:49,682 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 04:22:49,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:22:49 BoogieIcfgContainer [2018-12-02 04:22:49,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:22:49,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:22:49,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:22:49,700 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:22:49,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:49" (3/4) ... [2018-12-02 04:22:49,704 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 04:22:49,704 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:22:49,704 INFO L168 Benchmark]: Toolchain (without parser) took 770.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 953.5 MB in the beginning and 1.0 GB in the end (delta: -77.9 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:22:49,706 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:22:49,706 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:22:49,707 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.64 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. [2018-12-02 04:22:49,707 INFO L168 Benchmark]: Boogie Preprocessor took 25.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:22:49,707 INFO L168 Benchmark]: RCFGBuilder took 241.25 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 04:22:49,708 INFO L168 Benchmark]: TraceAbstraction took 287.72 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-02 04:22:49,708 INFO L168 Benchmark]: Witness Printer took 3.59 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. [2018-12-02 04:22:49,710 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -145.9 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.64 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 25.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 241.25 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 287.72 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: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.59 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 [2018-12-02 04:22:51,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:22:51,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:22:51,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:22:51,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:22:51,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:22:51,042 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:22:51,043 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:22:51,044 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:22:51,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:22:51,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:22:51,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:22:51,046 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:22:51,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:22:51,046 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:22:51,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:22:51,047 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:22:51,048 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:22:51,049 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:22:51,050 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:22:51,051 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:22:51,051 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:22:51,052 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:22:51,052 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:22:51,052 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:22:51,053 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:22:51,053 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:22:51,054 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:22:51,054 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:22:51,055 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:22:51,055 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:22:51,056 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:22:51,056 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:22:51,056 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:22:51,057 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:22:51,057 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:22:51,058 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 04:22:51,067 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:22:51,068 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:22:51,068 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:22:51,068 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:22:51,069 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:22:51,069 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:22:51,069 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:22:51,069 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:22:51,069 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:22:51,069 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:22:51,070 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:22:51,070 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:22:51,070 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 04:22:51,071 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:22:51,072 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:22:51,072 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 04:22:51,072 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:22:51,072 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:22:51,072 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:22:51,072 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:22:51,073 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:22:51,073 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:22:51,073 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:22:51,073 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:22:51,073 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:22:51,073 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 04:22:51,073 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:22:51,074 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 04:22:51,074 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 04:22:51,074 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_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:51,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:22:51,107 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:22:51,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:22:51,111 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:22:51,111 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:22:51,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-02 04:22:51,156 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/19b18d3b2/63ba79eca55e48e1b63e86855a397b08/FLAGd33d5c0b5 [2018-12-02 04:22:51,449 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:22:51,449 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/sv-benchmarks/c/float-newlib/double_req_bl_0720_true-unreach-call.c [2018-12-02 04:22:51,455 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/19b18d3b2/63ba79eca55e48e1b63e86855a397b08/FLAGd33d5c0b5 [2018-12-02 04:22:51,463 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/data/19b18d3b2/63ba79eca55e48e1b63e86855a397b08 [2018-12-02 04:22:51,465 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:22:51,466 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:22:51,467 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:22:51,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:22:51,469 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:22:51,469 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a12c072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51, skipping insertion in model container [2018-12-02 04:22:51,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,476 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:22:51,493 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:22:51,608 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:22:51,611 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:22:51,639 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:22:51,655 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:22:51,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51 WrapperNode [2018-12-02 04:22:51,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:22:51,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:22:51,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:22:51,656 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:22:51,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:22:51,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:22:51,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:22:51,701 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:22:51,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... [2018-12-02 04:22:51,723 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:22:51,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:22:51,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:22:51,724 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:22:51,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 04:22:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:22:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 04:22:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:22:51,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:22:51,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:22:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 04:22:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:22:51,755 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:22:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 04:22:51,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 04:22:52,152 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 04:22:53,637 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:22:53,637 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 04:22:53,638 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:53 BoogieIcfgContainer [2018-12-02 04:22:53,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:22:53,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:22:53,639 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:22:53,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:22:53,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:22:51" (1/3) ... [2018-12-02 04:22:53,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230ff299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:53, skipping insertion in model container [2018-12-02 04:22:53,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:22:51" (2/3) ... [2018-12-02 04:22:53,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@230ff299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:22:53, skipping insertion in model container [2018-12-02 04:22:53,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:53" (3/3) ... [2018-12-02 04:22:53,644 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0720_true-unreach-call.c [2018-12-02 04:22:53,651 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:22:53,657 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:22:53,670 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:22:53,686 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 04:22:53,686 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:22:53,686 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:22:53,686 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:22:53,686 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:22:53,687 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:22:53,687 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:22:53,687 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:22:53,687 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:22:53,697 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-02 04:22:53,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 04:22:53,701 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:22:53,701 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:22:53,702 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:22:53,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:22:53,705 INFO L82 PathProgramCache]: Analyzing trace with hash 295214612, now seen corresponding path program 1 times [2018-12-02 04:22:53,708 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:22:53,708 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:53,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:22:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:22:54,002 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:22:54,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:22:54,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:22:54,024 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:22:54,024 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:22:54,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:22:54,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:22:54,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:22:54,035 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-02 04:22:54,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:22:54,050 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2018-12-02 04:22:54,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:22:54,051 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-02 04:22:54,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:22:54,057 INFO L225 Difference]: With dead ends: 114 [2018-12-02 04:22:54,057 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 04:22:54,059 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 [2018-12-02 04:22:54,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 04:22:54,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 04:22:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 04:22:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-12-02 04:22:54,083 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 19 [2018-12-02 04:22:54,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:22:54,083 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-12-02 04:22:54,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:22:54,083 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-02 04:22:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 04:22:54,084 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:22:54,084 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] [2018-12-02 04:22:54,084 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:22:54,085 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:22:54,085 INFO L82 PathProgramCache]: Analyzing trace with hash 438908261, now seen corresponding path program 1 times [2018-12-02 04:22:54,085 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:22:54,085 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:22:54,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:22:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:22:54,379 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:23:01,875 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 04:23:08,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:23:08,133 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:23:08,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:23:08,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 04:23:08,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 04:23:08,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 04:23:08,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2018-12-02 04:23:08,146 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 9 states. [2018-12-02 04:23:24,073 WARN L180 SmtUtils]: Spent 4.72 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 04:23:37,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:23:37,431 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2018-12-02 04:23:37,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 04:23:37,432 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-02 04:23:37,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:23:37,433 INFO L225 Difference]: With dead ends: 64 [2018-12-02 04:23:37,433 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 04:23:37,433 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 30.1s TimeCoverageRelationStatistics Valid=33, Invalid=122, Unknown=1, NotChecked=0, Total=156 [2018-12-02 04:23:37,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 04:23:37,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 04:23:37,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 04:23:37,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-02 04:23:37,440 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 20 [2018-12-02 04:23:37,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:23:37,441 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-02 04:23:37,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 04:23:37,441 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-02 04:23:37,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 04:23:37,441 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:23:37,442 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] [2018-12-02 04:23:37,442 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:23:37,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:23:37,442 INFO L82 PathProgramCache]: Analyzing trace with hash 1464284033, now seen corresponding path program 1 times [2018-12-02 04:23:37,442 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:23:37,443 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:23:37,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:23:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:23:37,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:23:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:23:37,569 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:23:37,576 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:23:37,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:23:37,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:23:37,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:23:37,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:23:37,577 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 6 states. [2018-12-02 04:23:39,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:23:39,930 INFO L93 Difference]: Finished difference Result 105 states and 138 transitions. [2018-12-02 04:23:39,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:23:39,932 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 04:23:39,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:23:39,933 INFO L225 Difference]: With dead ends: 105 [2018-12-02 04:23:39,933 INFO L226 Difference]: Without dead ends: 62 [2018-12-02 04:23:39,934 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 [2018-12-02 04:23:39,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-12-02 04:23:39,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 57. [2018-12-02 04:23:39,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 04:23:39,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 73 transitions. [2018-12-02 04:23:39,939 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 73 transitions. Word has length 22 [2018-12-02 04:23:39,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:23:39,939 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 73 transitions. [2018-12-02 04:23:39,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:23:39,939 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 73 transitions. [2018-12-02 04:23:39,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 04:23:39,940 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:23:39,940 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] [2018-12-02 04:23:39,940 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:23:39,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:23:39,940 INFO L82 PathProgramCache]: Analyzing trace with hash -428456562, now seen corresponding path program 1 times [2018-12-02 04:23:39,940 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:23:39,940 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:23:39,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:23:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:23:40,553 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:23:42,881 WARN L832 $PredicateComparison]: unable to prove that (= |c___ieee754_sqrt_#res| (let ((.cse0 (fp.sub roundNearestTiesToEven |c___ieee754_sqrt_#in~x| |c___ieee754_sqrt_#in~x|))) (fp.div roundNearestTiesToEven .cse0 .cse0))) is different from false [2018-12-02 04:23:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:23:44,249 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:23:44,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:23:44,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 04:23:44,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 04:23:44,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 04:23:44,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=44, Unknown=1, NotChecked=12, Total=72 [2018-12-02 04:23:44,271 INFO L87 Difference]: Start difference. First operand 57 states and 73 transitions. Second operand 9 states. [2018-12-02 04:24:05,166 WARN L180 SmtUtils]: Spent 7.09 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 04:24:09,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:24:09,129 INFO L93 Difference]: Finished difference Result 64 states and 80 transitions. [2018-12-02 04:24:09,129 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 04:24:09,129 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-02 04:24:09,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:24:09,130 INFO L225 Difference]: With dead ends: 64 [2018-12-02 04:24:09,130 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 04:24:09,130 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 23.0s TimeCoverageRelationStatistics Valid=32, Invalid=102, Unknown=2, NotChecked=20, Total=156 [2018-12-02 04:24:09,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 04:24:09,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 04:24:09,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 04:24:09,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2018-12-02 04:24:09,136 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 23 [2018-12-02 04:24:09,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:24:09,136 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2018-12-02 04:24:09,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 04:24:09,136 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2018-12-02 04:24:09,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 04:24:09,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:24:09,137 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] [2018-12-02 04:24:09,137 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:24:09,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:24:09,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1375058646, now seen corresponding path program 1 times [2018-12-02 04:24:09,137 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 04:24:09,137 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/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 [2018-12-02 04:24:09,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:24:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:24:09,193 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:24:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:24:09,265 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 04:24:09,273 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:24:09,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 04:24:09,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 04:24:09,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 04:24:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 04:24:09,274 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 6 states. [2018-12-02 04:24:09,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:24:09,772 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2018-12-02 04:24:09,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:24:09,774 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2018-12-02 04:24:09,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:24:09,774 INFO L225 Difference]: With dead ends: 60 [2018-12-02 04:24:09,774 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:24:09,774 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 [2018-12-02 04:24:09,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:24:09,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:24:09,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:24:09,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:24:09,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2018-12-02 04:24:09,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:24:09,775 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:24:09,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 04:24:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:24:09,775 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:24:09,778 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:24:10,205 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-02 04:24:10,206 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 22 130) the Hoare annotation is: true [2018-12-02 04:24:10,206 INFO L448 ceAbstractionStarter]: For program point L93(lines 93 94) no Hoare annotation was computed. [2018-12-02 04:24:10,206 INFO L448 ceAbstractionStarter]: For program point L93-2(lines 93 94) no Hoare annotation was computed. [2018-12-02 04:24:10,206 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 22 130) no Hoare annotation was computed. [2018-12-02 04:24:10,207 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))) [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 22 130) no Hoare annotation was computed. [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L110(lines 110 115) no Hoare annotation was computed. [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 64) no Hoare annotation was computed. [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L61-2(lines 61 64) no Hoare annotation was computed. [2018-12-02 04:24:10,207 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))) [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L28-3(lines 22 130) no Hoare annotation was computed. [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L53-2(lines 53 54) no Hoare annotation was computed. [2018-12-02 04:24:10,207 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))) [2018-12-02 04:24:10,207 INFO L448 ceAbstractionStarter]: For program point L53-4(lines 53 54) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L111(lines 111 112) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L111-2(lines 111 112) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 117) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 121) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L120-2(lines 120 121) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L88(lines 88 97) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L88-2(lines 88 97) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 58) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 116) no Hoare annotation was computed. [2018-12-02 04:24:10,208 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 44) no Hoare annotation was computed. [2018-12-02 04:24:10,209 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))) [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 44) no Hoare annotation was computed. [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point L72-3(lines 72 82) no Hoare annotation was computed. [2018-12-02 04:24:10,209 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|))))))) [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point L48-3(lines 48 52) no Hoare annotation was computed. [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 43) no Hoare annotation was computed. [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 22 130) no Hoare annotation was computed. [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-02 04:24:10,209 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 123 128) no Hoare annotation was computed. [2018-12-02 04:24:10,210 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))) [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point L123-3(lines 123 128) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 115) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 78) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 78) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 18) the Hoare annotation is: true [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 18) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 18) no Hoare annotation was computed. [2018-12-02 04:24:10,210 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:24:10,211 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:24:10,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:24:10,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:24:10,211 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 04:24:10,211 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:24:10,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:24:10,211 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 04:24:10,211 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))) [2018-12-02 04:24:10,211 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 144 147) no Hoare annotation was computed. [2018-12-02 04:24:10,211 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 132 150) the Hoare annotation is: true [2018-12-02 04:24:10,212 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))) [2018-12-02 04:24:10,212 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-12-02 04:24:10,212 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 132 150) no Hoare annotation was computed. [2018-12-02 04:24:10,212 INFO L448 ceAbstractionStarter]: For program point L141-1(line 141) no Hoare annotation was computed. [2018-12-02 04:24:10,212 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 132 150) no Hoare annotation was computed. [2018-12-02 04:24:10,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,222 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,223 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,224 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,224 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,224 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,224 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,224 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,225 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,226 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-02 04:24:10,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,227 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,228 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-02 04:24:10,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,229 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,230 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,231 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,232 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:24:10 BoogieIcfgContainer [2018-12-02 04:24:10,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:24:10,234 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:24:10,234 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:24:10,234 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:24:10,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:22:53" (3/4) ... [2018-12-02 04:24:10,237 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:24:10,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-02 04:24:10,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 04:24:10,243 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:24:10,244 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:24:10,247 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-02 04:24:10,247 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 04:24:10,247 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 04:24:10,263 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && ~bvadd64(sign, 2147483648bv32) == 0bv32 [2018-12-02 04:24:10,263 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])) [2018-12-02 04:24:10,263 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 [2018-12-02 04:24:10,263 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 [2018-12-02 04:24:10,263 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 [2018-12-02 04:24:10,264 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 [2018-12-02 04:24:10,279 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d17b975d-0014-4284-9701-5fa565d02283/bin-2019/utaipan/witness.graphml [2018-12-02 04:24:10,279 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:24:10,279 INFO L168 Benchmark]: Toolchain (without parser) took 78813.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 943.4 MB in the beginning and 852.5 MB in the end (delta: 90.9 MB). Peak memory consumption was 226.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:10,280 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:10,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.59 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:10,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:10,280 INFO L168 Benchmark]: Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:24:10,281 INFO L168 Benchmark]: RCFGBuilder took 1914.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:10,281 INFO L168 Benchmark]: TraceAbstraction took 76595.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.4 MB in the end (delta: 230.7 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:10,281 INFO L168 Benchmark]: Witness Printer took 45.04 ms. Allocated memory is still 1.2 GB. Free memory was 859.4 MB in the beginning and 852.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 04:24:10,282 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 188.59 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 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 44.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -196.5 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1914.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 33.7 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 76595.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 859.4 MB in the end (delta: 230.7 MB). Peak memory consumption was 230.7 MB. Max. memory is 11.5 GB. * Witness Printer took 45.04 ms. Allocated memory is still 1.2 GB. Free memory was 859.4 MB in the beginning and 852.5 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 [2018-12-02 04:24:10,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,285 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,286 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 [2018-12-02 04:24:10,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,286 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,287 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 [2018-12-02 04:24:10,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,287 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,288 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 [2018-12-02 04:24:10,288 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,289 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrt_~ix1~0,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,290 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 04:24:10,291 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 [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,291 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,292 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_3,QUANTIFIED] [2018-12-02 04:24:10,292 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, 76.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 57.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 358 SDtfs, 352 SDslu, 1063 SDs, 0 SdLazy, 284 SolverSat, 16 SolverUnsat, 2 SolverUnknown, 0 SolverNotchecked, 19.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 129 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 53.4s 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, 17.7s 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...