./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0740_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_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ......................................................................................................................................................................................................................................................................................................................... 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_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 03:39:11,345 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:39:11,346 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:39:11,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:39:11,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:39:11,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:39:11,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:39:11,355 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:39:11,356 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:39:11,357 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:39:11,357 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:39:11,357 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:39:11,358 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:39:11,358 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:39:11,359 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:39:11,359 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:39:11,360 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:39:11,361 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:39:11,362 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:39:11,363 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:39:11,363 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:39:11,364 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:39:11,365 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:39:11,365 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:39:11,365 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:39:11,366 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:39:11,366 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:39:11,366 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:39:11,367 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:39:11,367 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:39:11,367 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:39:11,368 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:39:11,368 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:39:11,368 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:39:11,369 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:39:11,369 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:39:11,369 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 03:39:11,377 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:39:11,377 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:39:11,378 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 03:39:11,378 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 03:39:11,378 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 03:39:11,379 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:39:11,379 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:39:11,380 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:39:11,380 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:39:11,380 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:39:11,381 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:39:11,381 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:39:11,381 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 03:39:11,381 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:39:11,381 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 03:39:11,381 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 03:39:11,381 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_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2018-12-02 03:39:11,404 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:39:11,413 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:39:11,416 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:39:11,417 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:39:11,418 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:39:11,418 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-12-02 03:39:11,455 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/3da9d4d6b/3c847d742a4b41bb986833311ad13c81/FLAG20f895d28 [2018-12-02 03:39:11,888 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:39:11,889 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-12-02 03:39:11,893 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/3da9d4d6b/3c847d742a4b41bb986833311ad13c81/FLAG20f895d28 [2018-12-02 03:39:11,901 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/3da9d4d6b/3c847d742a4b41bb986833311ad13c81 [2018-12-02 03:39:11,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:39:11,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:39:11,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:39:11,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:39:11,906 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:39:11,907 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:11" (1/1) ... [2018-12-02 03:39:11,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58f41b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:11, skipping insertion in model container [2018-12-02 03:39:11,909 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:11" (1/1) ... [2018-12-02 03:39:11,915 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:39:11,927 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:39:12,032 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:39:12,034 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:39:12,051 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:39:12,093 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:39:12,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12 WrapperNode [2018-12-02 03:39:12,093 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:39:12,094 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:39:12,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:39:12,094 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:39:12,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,105 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:39:12,110 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:39:12,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:39:12,110 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:39:12,115 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,115 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,117 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,129 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... [2018-12-02 03:39:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:39:12,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:39:12,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:39:12,133 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:39:12,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 03:39:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:39:12,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:39:12,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 03:39:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:39:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:39:12,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:39:12,166 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 03:39:12,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 03:39:12,310 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:39:12,310 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 03:39:12,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:12 BoogieIcfgContainer [2018-12-02 03:39:12,311 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:39:12,311 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:39:12,311 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:39:12,313 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:39:12,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:11" (1/3) ... [2018-12-02 03:39:12,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a91ba70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:12, skipping insertion in model container [2018-12-02 03:39:12,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:12" (2/3) ... [2018-12-02 03:39:12,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2a91ba70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:12, skipping insertion in model container [2018-12-02 03:39:12,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:12" (3/3) ... [2018-12-02 03:39:12,315 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740_true-unreach-call.c [2018-12-02 03:39:12,321 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:39:12,325 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:39:12,334 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:39:12,351 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:39:12,351 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:39:12,351 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:39:12,351 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:39:12,351 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:39:12,351 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:39:12,351 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:39:12,351 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:39:12,362 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-12-02 03:39:12,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 03:39:12,365 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:39:12,366 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 03:39:12,367 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:39:12,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:39:12,372 INFO L82 PathProgramCache]: Analyzing trace with hash 2075828111, now seen corresponding path program 1 times [2018-12-02 03:39:12,373 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:39:12,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:39:12,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:39:12,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:39:12,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:39:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:39:12,448 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 03:39:12,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:39:12,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:39:12,450 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 03:39:12,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:39:12,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:39:12,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:39:12,461 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-12-02 03:39:12,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:39:12,474 INFO L93 Difference]: Finished difference Result 84 states and 118 transitions. [2018-12-02 03:39:12,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:39:12,474 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-02 03:39:12,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:39:12,481 INFO L225 Difference]: With dead ends: 84 [2018-12-02 03:39:12,481 INFO L226 Difference]: Without dead ends: 42 [2018-12-02 03:39:12,483 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 03:39:12,493 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-12-02 03:39:12,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-12-02 03:39:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-12-02 03:39:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-12-02 03:39:12,506 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 21 [2018-12-02 03:39:12,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:39:12,506 INFO L480 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-12-02 03:39:12,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:39:12,506 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-12-02 03:39:12,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:39:12,507 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:39:12,507 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 03:39:12,507 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:39:12,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:39:12,507 INFO L82 PathProgramCache]: Analyzing trace with hash 768569323, now seen corresponding path program 1 times [2018-12-02 03:39:12,507 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 03:39:12,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:39:12,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:39:12,508 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 03:39:12,508 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 03:39:12,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:39:12,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 03:39:12,554 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 03:39:12,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:12 BoogieIcfgContainer [2018-12-02 03:39:12,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:39:12,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:39:12,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:39:12,571 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:39:12,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:12" (3/4) ... [2018-12-02 03:39:12,574 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 03:39:12,574 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:39:12,574 INFO L168 Benchmark]: Toolchain (without parser) took 671.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -128.2 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:12,575 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 03:39:12,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 189.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:12,576 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.71 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 03:39:12,576 INFO L168 Benchmark]: Boogie Preprocessor took 22.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:12,577 INFO L168 Benchmark]: RCFGBuilder took 178.14 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:12,577 INFO L168 Benchmark]: TraceAbstraction took 259.40 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: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:12,577 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:39:12,579 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 189.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -186.6 MB). Peak memory consumption was 23.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.84 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.14 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: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 259.40 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: 30.3 MB). Peak memory consumption was 30.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 97]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 13, overapproximation of someBinaryArithmeticFLOAToperation at line 30, overapproximation of bitwiseAnd at line 27. Possible FailurePath: [L15] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=6442450949, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L91] float x = -1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L93] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L18] float z; [L19] __uint32_t r, hx; [L20] __int32_t ix, s, q, m, t, i; VAL [\old(x)=6442450947, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L23] ieee_float_shape_type gf_u; [L24] gf_u.value = (x) [L25] EXPR gf_u.word [L25] (ix) = gf_u.word [L27] hx = ix & 0x7fffffff VAL [\old(x)=6442450947, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L29] COND TRUE !((hx) < 0x7f800000L) [L30] return x * x + x; VAL [\old(x)=6442450947, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L93] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L93] float res = __ieee754_sqrtf(x); [L96] CALL, EXPR isnan_float(res) VAL [\old(x)=6442450948, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L13] return x != x; VAL [\old(x)=6442450948, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=6442450948] [L96] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] [L96] COND TRUE !isnan_float(res) [L97] __VERIFIER_error() VAL [one_sqrt=1, res=6442450948, tiny_sqrt=1/1000000000000000000000000000000, x=6442450947] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 400 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 03:39:13,804 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 03:39:13,805 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 03:39:13,813 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 03:39:13,814 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 03:39:13,814 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 03:39:13,815 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 03:39:13,816 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 03:39:13,817 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 03:39:13,817 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 03:39:13,818 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 03:39:13,818 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 03:39:13,819 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 03:39:13,819 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 03:39:13,820 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 03:39:13,820 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 03:39:13,820 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 03:39:13,822 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 03:39:13,823 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 03:39:13,824 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 03:39:13,824 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 03:39:13,825 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 03:39:13,827 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 03:39:13,827 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 03:39:13,827 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 03:39:13,827 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 03:39:13,828 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 03:39:13,828 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 03:39:13,829 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 03:39:13,829 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 03:39:13,829 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 03:39:13,830 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 03:39:13,830 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 03:39:13,830 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 03:39:13,830 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 03:39:13,831 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 03:39:13,831 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 03:39:13,840 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 03:39:13,841 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 03:39:13,841 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 03:39:13,841 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 03:39:13,842 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 03:39:13,842 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 03:39:13,842 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 03:39:13,842 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 03:39:13,842 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 03:39:13,842 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 03:39:13,843 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 03:39:13,843 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 03:39:13,843 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 03:39:13,843 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 03:39:13,844 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 03:39:13,844 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 03:39:13,844 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 03:39:13,844 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 03:39:13,844 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 03:39:13,844 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 03:39:13,845 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 03:39:13,845 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 03:39:13,845 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 03:39:13,845 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 03:39:13,845 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 03:39:13,845 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 03:39:13,846 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 03:39:13,846 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 03:39:13,846 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 03:39:13,846 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 03:39:13,846 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 03:39:13,846 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 03:39:13,846 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 03:39:13,847 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 03:39:13,847 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 03:39:13,847 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_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 -> 1ba5abe06d07a4712bf40ef71e353712c0bd3c97 [2018-12-02 03:39:13,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 03:39:13,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 03:39:13,883 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 03:39:13,884 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 03:39:13,885 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 03:39:13,885 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-12-02 03:39:13,926 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/1afa4a16f/dc18ab1a063b476e9a973986f25f263f/FLAG90ec7440b [2018-12-02 03:39:14,252 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 03:39:14,252 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/sv-benchmarks/c/float-newlib/float_req_bl_0740_true-unreach-call.c [2018-12-02 03:39:14,256 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/1afa4a16f/dc18ab1a063b476e9a973986f25f263f/FLAG90ec7440b [2018-12-02 03:39:14,658 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/data/1afa4a16f/dc18ab1a063b476e9a973986f25f263f [2018-12-02 03:39:14,660 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 03:39:14,661 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 03:39:14,662 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 03:39:14,662 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 03:39:14,664 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 03:39:14,665 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,667 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f25e7e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14, skipping insertion in model container [2018-12-02 03:39:14,667 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 03:39:14,684 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 03:39:14,785 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:39:14,788 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 03:39:14,807 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 03:39:14,821 INFO L195 MainTranslator]: Completed translation [2018-12-02 03:39:14,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14 WrapperNode [2018-12-02 03:39:14,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 03:39:14,822 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 03:39:14,822 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 03:39:14,822 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 03:39:14,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,834 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 03:39:14,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 03:39:14,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 03:39:14,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 03:39:14,844 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,846 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,858 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... [2018-12-02 03:39:14,861 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 03:39:14,861 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 03:39:14,861 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 03:39:14,861 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 03:39:14,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 03:39:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 03:39:14,921 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 03:39:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 03:39:14,921 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-02 03:39:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 03:39:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 03:39:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 03:39:14,922 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 03:39:14,922 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 03:39:15,050 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 03:39:15,745 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 03:39:15,745 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 03:39:15,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:15 BoogieIcfgContainer [2018-12-02 03:39:15,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 03:39:15,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 03:39:15,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 03:39:15,748 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 03:39:15,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:39:14" (1/3) ... [2018-12-02 03:39:15,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cf95cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:15, skipping insertion in model container [2018-12-02 03:39:15,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:39:14" (2/3) ... [2018-12-02 03:39:15,748 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cf95cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:39:15, skipping insertion in model container [2018-12-02 03:39:15,749 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:15" (3/3) ... [2018-12-02 03:39:15,749 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0740_true-unreach-call.c [2018-12-02 03:39:15,755 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 03:39:15,759 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 03:39:15,768 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 03:39:15,785 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 03:39:15,785 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 03:39:15,785 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 03:39:15,785 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 03:39:15,785 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 03:39:15,785 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 03:39:15,785 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 03:39:15,785 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 03:39:15,785 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 03:39:15,795 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-12-02 03:39:15,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 03:39:15,798 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:39:15,799 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 03:39:15,800 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:39:15,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:39:15,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1639632096, now seen corresponding path program 1 times [2018-12-02 03:39:15,805 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:39:15,805 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 03:39:15,810 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:39:15,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:39:15,916 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:39:15,927 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 03:39:15,928 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:39:15,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:39:15,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 03:39:15,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 03:39:15,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 03:39:15,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 03:39:15,951 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-12-02 03:39:15,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:39:15,963 INFO L93 Difference]: Finished difference Result 82 states and 116 transitions. [2018-12-02 03:39:15,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 03:39:15,964 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-02 03:39:15,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:39:15,970 INFO L225 Difference]: With dead ends: 82 [2018-12-02 03:39:15,970 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 03:39:15,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 19 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 03:39:15,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 03:39:15,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-02 03:39:15,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-02 03:39:15,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-12-02 03:39:15,998 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 20 [2018-12-02 03:39:15,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:39:15,999 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-12-02 03:39:15,999 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 03:39:15,999 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-12-02 03:39:15,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 03:39:16,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:39:16,000 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 03:39:16,000 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:39:16,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:39:16,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1844841631, now seen corresponding path program 1 times [2018-12-02 03:39:16,001 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:39:16,001 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 03:39:16,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:39:16,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:39:16,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:39:17,003 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 03:39:17,881 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 03:39:17,882 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:39:17,889 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:39:17,889 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 03:39:17,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 03:39:17,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 03:39:17,890 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 03:39:17,891 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 9 states. [2018-12-02 03:39:20,048 WARN L180 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 03:39:22,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:39:22,794 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2018-12-02 03:39:22,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 03:39:22,794 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2018-12-02 03:39:22,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:39:22,795 INFO L225 Difference]: With dead ends: 48 [2018-12-02 03:39:22,795 INFO L226 Difference]: Without dead ends: 41 [2018-12-02 03:39:22,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 03:39:22,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-12-02 03:39:22,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-12-02 03:39:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-12-02 03:39:22,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-12-02 03:39:22,802 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 21 [2018-12-02 03:39:22,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:39:22,802 INFO L480 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-12-02 03:39:22,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 03:39:22,802 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-12-02 03:39:22,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 03:39:22,803 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 03:39:22,803 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 03:39:22,803 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 03:39:22,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 03:39:22,803 INFO L82 PathProgramCache]: Analyzing trace with hash 1013290210, now seen corresponding path program 1 times [2018-12-02 03:39:22,804 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 03:39:22,804 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/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 03:39:22,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 03:39:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 03:39:22,837 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 03:39:22,915 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 03:39:22,915 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 03:39:22,923 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 03:39:22,923 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 03:39:22,923 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 03:39:22,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 03:39:22,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 03:39:22,924 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 7 states. [2018-12-02 03:39:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 03:39:23,365 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2018-12-02 03:39:23,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 03:39:23,366 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 03:39:23,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 03:39:23,366 INFO L225 Difference]: With dead ends: 46 [2018-12-02 03:39:23,366 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 03:39:23,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 03:39:23,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 03:39:23,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 03:39:23,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 03:39:23,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 03:39:23,367 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-12-02 03:39:23,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 03:39:23,367 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 03:39:23,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 03:39:23,367 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 03:39:23,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 03:39:23,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 03:39:23,464 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 13) no Hoare annotation was computed. [2018-12-02 03:39:23,464 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 13) the Hoare annotation is: true [2018-12-02 03:39:23,464 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 13) no Hoare annotation was computed. [2018-12-02 03:39:23,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:39:23,464 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:39:23,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:39:23,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 03:39:23,465 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 03:39:23,465 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 03:39:23,465 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 03:39:23,465 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 03:39:23,465 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (and (= main_~x~0 .cse0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-12-02 03:39:23,465 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 96 99) no Hoare annotation was computed. [2018-12-02 03:39:23,465 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 84 102) the Hoare annotation is: true [2018-12-02 03:39:23,465 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24))) [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 84 102) no Hoare annotation was computed. [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 84 102) no Hoare annotation was computed. [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 97) no Hoare annotation was computed. [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 73) no Hoare annotation was computed. [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 33) no Hoare annotation was computed. [2018-12-02 03:39:23,466 INFO L444 ceAbstractionStarter]: At program point L53-2(lines 53 62) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-12-02 03:39:23,466 INFO L448 ceAbstractionStarter]: For program point L53-3(lines 17 82) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 17 82) the Hoare annotation is: true [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 17 82) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 72) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 17 82) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 42) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L38-2(lines 38 42) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-02 03:39:23,467 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 59) no Hoare annotation was computed. [2018-12-02 03:39:23,468 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 26) no Hoare annotation was computed. [2018-12-02 03:39:23,468 INFO L448 ceAbstractionStarter]: For program point L55-2(lines 55 59) no Hoare annotation was computed. [2018-12-02 03:39:23,468 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 26) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-12-02 03:39:23,468 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 26) no Hoare annotation was computed. [2018-12-02 03:39:23,468 INFO L448 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-12-02 03:39:23,468 INFO L444 ceAbstractionStarter]: At program point L76-2(lines 76 80) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-12-02 03:39:23,468 INFO L448 ceAbstractionStarter]: For program point L76-3(lines 76 80) no Hoare annotation was computed. [2018-12-02 03:39:23,468 INFO L448 ceAbstractionStarter]: For program point L39-2(lines 39 40) no Hoare annotation was computed. [2018-12-02 03:39:23,469 INFO L444 ceAbstractionStarter]: At program point L39-3(lines 39 40) the Hoare annotation is: (and (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (bvult (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) (_ bv2139095040 32)) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|))) (exists ((__ieee754_sqrtf_~ix~0 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) __ieee754_sqrtf_~ix~0) __ieee754_sqrtf_~hx~0) (= (fp ((_ extract 31 31) __ieee754_sqrtf_~ix~0) ((_ extract 30 23) __ieee754_sqrtf_~ix~0) ((_ extract 22 0) __ieee754_sqrtf_~ix~0)) |__ieee754_sqrtf_#in~x|)))) [2018-12-02 03:39:23,469 INFO L448 ceAbstractionStarter]: For program point L68(lines 68 71) no Hoare annotation was computed. [2018-12-02 03:39:23,469 INFO L448 ceAbstractionStarter]: For program point L39-4(lines 39 40) no Hoare annotation was computed. [2018-12-02 03:39:23,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,473 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,474 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,474 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,474 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,474 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,474 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,478 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,479 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,480 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,481 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,482 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,483 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,484 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,485 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,486 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,486 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,486 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,486 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,486 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:39:23 BoogieIcfgContainer [2018-12-02 03:39:23,488 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 03:39:23,488 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 03:39:23,488 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 03:39:23,488 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 03:39:23,489 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:39:15" (3/4) ... [2018-12-02 03:39:23,491 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 03:39:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-02 03:39:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 03:39:23,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 03:39:23,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 03:39:23,498 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 03:39:23,498 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 03:39:23,499 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 03:39:23,514 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 03:39:23,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-12-02 03:39:23,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-12-02 03:39:23,515 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) [2018-12-02 03:39:23,528 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b4ca94a6-7a2b-4a82-b2dc-71623317a91e/bin-2019/utaipan/witness.graphml [2018-12-02 03:39:23,528 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 03:39:23,529 INFO L168 Benchmark]: Toolchain (without parser) took 8868.47 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 943.4 MB in the beginning and 953.1 MB in the end (delta: -9.7 MB). Peak memory consumption was 108.3 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:23,529 INFO L168 Benchmark]: CDTParser took 0.18 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 03:39:23,530 INFO L168 Benchmark]: CACSL2BoogieTranslator took 160.28 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 03:39:23,530 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.93 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:39:23,530 INFO L168 Benchmark]: Boogie Preprocessor took 22.44 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:39:23,530 INFO L168 Benchmark]: RCFGBuilder took 884.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:23,531 INFO L168 Benchmark]: TraceAbstraction took 7741.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.1 MB in the end (delta: 121.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. [2018-12-02 03:39:23,531 INFO L168 Benchmark]: Witness Printer took 40.35 ms. Allocated memory is still 1.1 GB. Free memory is still 953.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 03:39:23,532 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 160.28 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 15.93 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.44 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 884.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.0 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7741.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 953.1 MB in the end (delta: 121.8 MB). Peak memory consumption was 121.8 MB. Max. memory is 11.5 GB. * Witness Printer took 40.35 ms. Allocated memory is still 1.1 GB. Free memory is still 953.1 MB. There was no memory consumed. 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[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 97]: 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: 76]: Loop Invariant [2018-12-02 03:39:23,535 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,535 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,536 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,536 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,536 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,536 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,536 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,536 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,537 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 39]: Loop Invariant [2018-12-02 03:39:23,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,538 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,539 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,540 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - InvariantResult [Line: 53]: Loop Invariant [2018-12-02 03:39:23,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,541 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,542 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 03:39:23,543 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] Derived loop invariant: (\old(x) == x && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvult32(~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0), 2139095040bv32) && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x))) && (\exists __ieee754_sqrtf_~ix~0 : bv32 :: ~bvand32(2147483647bv32, __ieee754_sqrtf_~ix~0) == hx && ~fp~LONGDOUBLE(__ieee754_sqrtf_~ix~0[31:31], __ieee754_sqrtf_~ix~0[30:23], __ieee754_sqrtf_~ix~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. SAFE Result, 7.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 129 SDtfs, 148 SDslu, 332 SDs, 0 SdLazy, 105 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 14 PreInvPairs, 20 NumberOfFragments, 163 HoareAnnotationTreeSize, 14 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 60 ConstructedInterpolants, 4 QuantifiedInterpolants, 5448 SizeOfPredicates, 8 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...