./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_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_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 22720996e63b36cb2ef4e4d04061274514aafdad ............................................................................................................................................................................................................................................................................................................................ 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_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 22720996e63b36cb2ef4e4d04061274514aafdad .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:18:59,186 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:18:59,187 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:18:59,195 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:18:59,195 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:18:59,196 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:18:59,197 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:18:59,198 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:18:59,199 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:18:59,199 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:18:59,200 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:18:59,200 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:18:59,201 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:18:59,201 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:18:59,202 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:18:59,202 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:18:59,203 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:18:59,204 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:18:59,205 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:18:59,205 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:18:59,206 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:18:59,207 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:18:59,208 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:18:59,208 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:18:59,208 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:18:59,208 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:18:59,209 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:18:59,209 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:18:59,209 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:18:59,210 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:18:59,210 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:18:59,210 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:18:59,210 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:18:59,211 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:18:59,211 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:18:59,211 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:18:59,212 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 19:18:59,221 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:18:59,221 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:18:59,222 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:18:59,222 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:18:59,223 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 19:18:59,223 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 19:18:59,223 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 19:18:59,223 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 19:18:59,223 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 19:18:59,223 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 19:18:59,223 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 19:18:59,224 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 19:18:59,224 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 19:18:59,224 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:18:59,224 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:18:59,225 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 19:18:59,225 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:18:59,225 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:18:59,225 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:18:59,225 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:18:59,225 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:18:59,226 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:18:59,226 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:18:59,226 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:18:59,226 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:18:59,226 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:18:59,226 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:18:59,226 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:18:59,227 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:18:59,227 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:18:59,227 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:18:59,227 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:18:59,227 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 19:18:59,227 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:18:59,228 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 19:18:59,228 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 19:18:59,228 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_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2018-12-02 19:18:59,250 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:18:59,257 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:18:59,259 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:18:59,260 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:18:59,260 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:18:59,261 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-12-02 19:18:59,294 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/278b4b0c8/4f61a2de9db14d6ba2405a696f16bb05/FLAGfb09a58c8 [2018-12-02 19:18:59,704 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:18:59,705 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-12-02 19:18:59,709 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/278b4b0c8/4f61a2de9db14d6ba2405a696f16bb05/FLAGfb09a58c8 [2018-12-02 19:18:59,717 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/278b4b0c8/4f61a2de9db14d6ba2405a696f16bb05 [2018-12-02 19:18:59,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:18:59,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:18:59,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:18:59,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:18:59,723 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:18:59,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bd7f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59, skipping insertion in model container [2018-12-02 19:18:59,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,729 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:18:59,740 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:18:59,836 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:18:59,838 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:18:59,856 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:18:59,897 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:18:59,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59 WrapperNode [2018-12-02 19:18:59,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:18:59,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:18:59,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:18:59,898 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:18:59,904 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,910 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:18:59,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:18:59,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:18:59,915 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:18:59,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,928 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,932 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... [2018-12-02 19:18:59,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:18:59,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:18:59,934 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:18:59,934 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:18:59,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:18:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 19:18:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:18:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:18:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:18:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 19:18:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 19:18:59,965 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 19:18:59,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 19:19:00,111 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:19:00,112 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 19:19:00,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:00 BoogieIcfgContainer [2018-12-02 19:19:00,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:19:00,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:19:00,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:19:00,114 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:19:00,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:18:59" (1/3) ... [2018-12-02 19:19:00,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b79348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:19:00, skipping insertion in model container [2018-12-02 19:19:00,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:18:59" (2/3) ... [2018-12-02 19:19:00,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b79348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:19:00, skipping insertion in model container [2018-12-02 19:19:00,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:00" (3/3) ... [2018-12-02 19:19:00,116 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a_true-unreach-call.c [2018-12-02 19:19:00,122 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:19:00,126 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:19:00,135 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:19:00,154 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:19:00,154 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:19:00,154 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:19:00,154 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:19:00,154 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:19:00,154 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:19:00,154 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:19:00,154 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:19:00,164 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states. [2018-12-02 19:19:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 19:19:00,168 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:19:00,168 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:19:00,169 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:19:00,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:19:00,173 INFO L82 PathProgramCache]: Analyzing trace with hash -1070728601, now seen corresponding path program 1 times [2018-12-02 19:19:00,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 19:19:00,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:19:00,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:19:00,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:19:00,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 19:19:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:19:00,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 19:19:00,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:19:00,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 19:19:00,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 19:19:00,253 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 19:19:00,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 19:19:00,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:19:00,262 INFO L87 Difference]: Start difference. First operand 49 states. Second operand 2 states. [2018-12-02 19:19:00,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:19:00,276 INFO L93 Difference]: Finished difference Result 90 states and 129 transitions. [2018-12-02 19:19:00,276 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 19:19:00,276 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 19:19:00,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:19:00,282 INFO L225 Difference]: With dead ends: 90 [2018-12-02 19:19:00,282 INFO L226 Difference]: Without dead ends: 45 [2018-12-02 19:19:00,284 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 19:19:00,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-12-02 19:19:00,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-12-02 19:19:00,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-12-02 19:19:00,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2018-12-02 19:19:00,306 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 23 [2018-12-02 19:19:00,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:19:00,306 INFO L480 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2018-12-02 19:19:00,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 19:19:00,306 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2018-12-02 19:19:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 19:19:00,307 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:19:00,307 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:19:00,307 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:19:00,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:19:00,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1748176565, now seen corresponding path program 1 times [2018-12-02 19:19:00,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 19:19:00,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:19:00,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:19:00,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 19:19:00,308 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 19:19:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:19:00,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 19:19:00,363 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 19:19:00,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:19:00 BoogieIcfgContainer [2018-12-02 19:19:00,381 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:19:00,381 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:19:00,382 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:19:00,382 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:19:00,382 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:00" (3/4) ... [2018-12-02 19:19:00,384 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 19:19:00,384 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:19:00,385 INFO L168 Benchmark]: Toolchain (without parser) took 665.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -114.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:00,385 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:19:00,386 INFO L168 Benchmark]: CACSL2BoogieTranslator took 177.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:00,386 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.07 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 19:19:00,386 INFO L168 Benchmark]: Boogie Preprocessor took 18.99 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 19:19:00,387 INFO L168 Benchmark]: RCFGBuilder took 178.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:00,387 INFO L168 Benchmark]: TraceAbstraction took 269.00 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: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:00,387 INFO L168 Benchmark]: Witness Printer took 2.67 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 19:19:00,389 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 177.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -184.4 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.07 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. * Boogie Preprocessor took 18.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 178.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 269.00 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: 41.1 MB). Peak memory consumption was 41.1 MB. Max. memory is 11.5 GB. * Witness Printer took 2.67 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: 107]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 27, overapproximation of bitwiseAnd at line 89. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418246, \old(tiny_sqrt)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L101] float x = 1.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L103] CALL, EXPR __ieee754_sqrtf(x) VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L15] float z; [L16] __uint32_t r, hx; [L17] __int32_t ix, s, q, m, t, i; VAL [\old(x)=10737418244, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L20] ieee_float_shape_type gf_u; [L21] gf_u.value = (x) [L22] EXPR gf_u.word [L22] (ix) = gf_u.word [L24] hx = ix & 0x7fffffff VAL [\old(x)=10737418244, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L26] COND TRUE !((hx) < 0x7f800000L) [L27] return x * x + x; VAL [\old(x)=10737418244, hx=2139095040, ix=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L103] RET, EXPR __ieee754_sqrtf(x) VAL [__ieee754_sqrtf(x)=10737418241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L103] float res = __ieee754_sqrtf(x); [L106] CALL, EXPR isinf_float(res) VAL [\old(x)=10737418241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L83] __int32_t ix; VAL [\old(x)=10737418241, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418241] [L85] ieee_float_shape_type gf_u; [L86] gf_u.value = (x) [L87] EXPR gf_u.word [L87] (ix) = gf_u.word [L89] ix &= 0x7fffffff [L90] return ((ix) == 0x7f800000L); VAL [\old(x)=10737418241, \result=0, ix=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418241] [L106] RET, EXPR isinf_float(res) VAL [isinf_float(res)=0, one_sqrt=1, res=10737418241, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] [L106] COND TRUE !isinf_float(res) [L107] __VERIFIER_error() VAL [one_sqrt=1, res=10737418241, tiny_sqrt=1/1000000000000000000000000000000, x=10737418244] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 49 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 59 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=49occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 19:19:01,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 19:19:01,649 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 19:19:01,655 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 19:19:01,655 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 19:19:01,656 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 19:19:01,656 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 19:19:01,657 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 19:19:01,658 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 19:19:01,658 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 19:19:01,659 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 19:19:01,659 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 19:19:01,659 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 19:19:01,660 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 19:19:01,660 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 19:19:01,661 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 19:19:01,661 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 19:19:01,662 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 19:19:01,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 19:19:01,663 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 19:19:01,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 19:19:01,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 19:19:01,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 19:19:01,666 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 19:19:01,666 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 19:19:01,666 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 19:19:01,667 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 19:19:01,667 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 19:19:01,667 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 19:19:01,668 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 19:19:01,668 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 19:19:01,668 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 19:19:01,669 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 19:19:01,669 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 19:19:01,669 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 19:19:01,669 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 19:19:01,670 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 19:19:01,677 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 19:19:01,677 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 19:19:01,677 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 19:19:01,677 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 19:19:01,677 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 19:19:01,678 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 19:19:01,678 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 19:19:01,678 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 19:19:01,678 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 19:19:01,678 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 19:19:01,678 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 19:19:01,678 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 19:19:01,678 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 19:19:01,679 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 19:19:01,680 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 19:19:01,680 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 19:19:01,680 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 19:19:01,681 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 19:19:01,681 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_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 -> 22720996e63b36cb2ef4e4d04061274514aafdad [2018-12-02 19:19:01,699 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 19:19:01,708 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 19:19:01,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 19:19:01,712 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 19:19:01,712 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 19:19:01,713 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-12-02 19:19:01,756 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/9082b758d/55ff3cc6de334e228507f62ecce1c73a/FLAG7789d9c03 [2018-12-02 19:19:02,066 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 19:19:02,066 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/sv-benchmarks/c/float-newlib/float_req_bl_0730a_true-unreach-call.c [2018-12-02 19:19:02,070 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/9082b758d/55ff3cc6de334e228507f62ecce1c73a/FLAG7789d9c03 [2018-12-02 19:19:02,078 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/data/9082b758d/55ff3cc6de334e228507f62ecce1c73a [2018-12-02 19:19:02,080 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 19:19:02,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 19:19:02,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 19:19:02,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 19:19:02,083 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 19:19:02,083 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@284ba15b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02, skipping insertion in model container [2018-12-02 19:19:02,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 19:19:02,105 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 19:19:02,212 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:19:02,217 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 19:19:02,238 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 19:19:02,253 INFO L195 MainTranslator]: Completed translation [2018-12-02 19:19:02,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02 WrapperNode [2018-12-02 19:19:02,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 19:19:02,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 19:19:02,254 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 19:19:02,254 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 19:19:02,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 19:19:02,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 19:19:02,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 19:19:02,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 19:19:02,306 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,307 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,310 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,310 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,324 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... [2018-12-02 19:19:02,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 19:19:02,329 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 19:19:02,329 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 19:19:02,329 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 19:19:02,330 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 19:19:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 19:19:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 19:19:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 19:19:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 19:19:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 19:19:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 19:19:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 19:19:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 19:19:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 19:19:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 19:19:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 19:19:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 19:19:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 19:19:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 19:19:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 19:19:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 19:19:02,444 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:19:02,514 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 19:19:02,932 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 19:19:02,933 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 19:19:02,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:02 BoogieIcfgContainer [2018-12-02 19:19:02,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 19:19:02,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 19:19:02,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 19:19:02,935 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 19:19:02,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:19:02" (1/3) ... [2018-12-02 19:19:02,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e92c87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:19:02, skipping insertion in model container [2018-12-02 19:19:02,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:19:02" (2/3) ... [2018-12-02 19:19:02,936 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e92c87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:19:02, skipping insertion in model container [2018-12-02 19:19:02,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:02" (3/3) ... [2018-12-02 19:19:02,937 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0730a_true-unreach-call.c [2018-12-02 19:19:02,943 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 19:19:02,947 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 19:19:02,955 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 19:19:02,972 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 19:19:02,973 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 19:19:02,973 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 19:19:02,973 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 19:19:02,973 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 19:19:02,973 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 19:19:02,973 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 19:19:02,973 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 19:19:02,973 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 19:19:02,982 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-12-02 19:19:02,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 19:19:02,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:19:02,986 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 19:19:02,988 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:19:02,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:19:02,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1828913141, now seen corresponding path program 1 times [2018-12-02 19:19:02,993 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:19:02,993 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 19:19:02,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:19:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:19:03,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:19:03,118 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 19:19:03,118 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:19:03,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:19:03,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 19:19:03,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 19:19:03,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 19:19:03,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:19:03,138 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 2 states. [2018-12-02 19:19:03,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:19:03,152 INFO L93 Difference]: Finished difference Result 88 states and 127 transitions. [2018-12-02 19:19:03,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 19:19:03,153 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 19:19:03,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:19:03,160 INFO L225 Difference]: With dead ends: 88 [2018-12-02 19:19:03,161 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 19:19:03,163 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 19:19:03,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 19:19:03,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 19:19:03,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 19:19:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2018-12-02 19:19:03,192 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 22 [2018-12-02 19:19:03,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:19:03,192 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2018-12-02 19:19:03,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 19:19:03,192 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2018-12-02 19:19:03,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 19:19:03,193 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:19:03,193 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:19:03,193 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:19:03,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:19:03,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1328000814, now seen corresponding path program 1 times [2018-12-02 19:19:03,194 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:19:03,195 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 19:19:03,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:19:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:19:03,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:19:04,301 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 19:19:05,222 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 19:19:05,223 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:19:05,230 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:19:05,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-12-02 19:19:05,231 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 19:19:05,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 19:19:05,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-12-02 19:19:05,232 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand 11 states. [2018-12-02 19:19:09,597 WARN L180 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 19:19:13,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:19:13,199 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2018-12-02 19:19:13,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 19:19:13,209 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 24 [2018-12-02 19:19:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:19:13,210 INFO L225 Difference]: With dead ends: 51 [2018-12-02 19:19:13,210 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 19:19:13,211 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-12-02 19:19:13,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 19:19:13,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 19:19:13,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 19:19:13,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 53 transitions. [2018-12-02 19:19:13,219 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 53 transitions. Word has length 24 [2018-12-02 19:19:13,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:19:13,220 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 53 transitions. [2018-12-02 19:19:13,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 19:19:13,220 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2018-12-02 19:19:13,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 19:19:13,221 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 19:19:13,221 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 19:19:13,221 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 19:19:13,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 19:19:13,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1026884838, now seen corresponding path program 1 times [2018-12-02 19:19:13,222 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 19:19:13,222 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/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 19:19:13,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 19:19:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 19:19:13,260 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 19:19:13,324 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 19:19:13,324 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 19:19:13,334 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 19:19:13,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 19:19:13,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 19:19:13,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 19:19:13,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 19:19:13,335 INFO L87 Difference]: Start difference. First operand 44 states and 53 transitions. Second operand 7 states. [2018-12-02 19:19:13,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 19:19:13,809 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2018-12-02 19:19:13,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 19:19:13,810 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-02 19:19:13,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 19:19:13,810 INFO L225 Difference]: With dead ends: 49 [2018-12-02 19:19:13,810 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 19:19:13,811 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 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 19:19:13,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 19:19:13,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 19:19:13,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 19:19:13,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 19:19:13,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-02 19:19:13,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 19:19:13,812 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 19:19:13,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 19:19:13,812 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 19:19:13,812 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 19:19:13,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 19:19:13,909 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-02 19:19:13,909 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-02 19:19:13,910 INFO L448 ceAbstractionStarter]: For program point L84-3(lines 84 88) no Hoare annotation was computed. [2018-12-02 19:19:13,910 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 82 91) the Hoare annotation is: true [2018-12-02 19:19:13,910 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 82 91) no Hoare annotation was computed. [2018-12-02 19:19:13,910 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 82 91) no Hoare annotation was computed. [2018-12-02 19:19:13,910 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:19:13,910 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 19:19:13,910 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:19:13,910 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 19:19:13,910 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 19:19:13,910 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 19:19:13,911 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 19:19:13,911 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 93 112) the Hoare annotation is: true [2018-12-02 19:19:13,911 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 93 112) no Hoare annotation was computed. [2018-12-02 19:19:13,911 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 107) no Hoare annotation was computed. [2018-12-02 19:19:13,911 INFO L448 ceAbstractionStarter]: For program point L107(line 107) no Hoare annotation was computed. [2018-12-02 19:19:13,911 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~res~0 (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0)) (= main_~x~0 .cse0))) [2018-12-02 19:19:13,911 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 106 109) no Hoare annotation was computed. [2018-12-02 19:19:13,911 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 93 112) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L444 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L103-1(line 103) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L444 ceAbstractionStarter]: At program point L19-2(lines 19 23) the Hoare annotation is: (= |__ieee754_sqrtf_#in~x| __ieee754_sqrtf_~x) [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L19-3(lines 19 23) no Hoare annotation was computed. [2018-12-02 19:19:13,912 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-12-02 19:19:13,913 INFO L444 ceAbstractionStarter]: At program point L73-2(lines 73 77) 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 19:19:13,913 INFO L448 ceAbstractionStarter]: For program point L73-3(lines 73 77) no Hoare annotation was computed. [2018-12-02 19:19:13,913 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 37) no Hoare annotation was computed. [2018-12-02 19:19:13,913 INFO L444 ceAbstractionStarter]: At program point L36-3(lines 36 37) 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 19:19:13,913 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-12-02 19:19:13,913 INFO L448 ceAbstractionStarter]: For program point L36-4(lines 36 37) no Hoare annotation was computed. [2018-12-02 19:19:13,913 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-12-02 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L444 ceAbstractionStarter]: At program point L50-2(lines 50 59) 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 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point L50-3(lines 14 79) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-12-02 19:19:13,914 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-02 19:19:13,915 INFO L448 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-12-02 19:19:13,915 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-12-02 19:19:13,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,919 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,920 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,924 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,925 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,926 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,927 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,928 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,929 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,930 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,931 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,932 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:19:13 BoogieIcfgContainer [2018-12-02 19:19:13,934 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 19:19:13,934 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 19:19:13,934 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 19:19:13,935 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 19:19:13,935 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:19:02" (3/4) ... [2018-12-02 19:19:13,937 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 19:19:13,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-02 19:19:13,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 19:19:13,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 19:19:13,942 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 19:19:13,944 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges [2018-12-02 19:19:13,945 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 19:19:13,945 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 19:19:13,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 19:19:13,961 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 19:19:13,962 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 19:19:13,962 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 19:19:13,962 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 19:19:13,976 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9f7f811d-a91f-44a7-96d7-d2861b9cc831/bin-2019/utaipan/witness.graphml [2018-12-02 19:19:13,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 19:19:13,976 INFO L168 Benchmark]: Toolchain (without parser) took 11896.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 942.0 MB in the beginning and 954.6 MB in the end (delta: -12.6 MB). Peak memory consumption was 127.9 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:13,977 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 19:19:13,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 172.50 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:13,977 INFO L168 Benchmark]: Boogie Procedure Inliner took 15.88 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 19:19:13,978 INFO L168 Benchmark]: Boogie Preprocessor took 59.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:13,978 INFO L168 Benchmark]: RCFGBuilder took 603.82 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:13,978 INFO L168 Benchmark]: TraceAbstraction took 11000.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.3 MB in the end (delta: 136.5 MB). Peak memory consumption was 136.5 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:13,978 INFO L168 Benchmark]: Witness Printer took 41.43 ms. Allocated memory is still 1.2 GB. Free memory was 961.3 MB in the beginning and 954.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 19:19:13,980 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 172.50 ms. Allocated memory is still 1.0 GB. Free memory was 942.0 MB in the beginning and 925.9 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 15.88 ms. Allocated memory is still 1.0 GB. Free memory is still 925.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 925.9 MB in the beginning and 1.1 GB in the end (delta: -203.0 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 603.82 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: 31.2 MB). Peak memory consumption was 31.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11000.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 961.3 MB in the end (delta: 136.5 MB). Peak memory consumption was 136.5 MB. Max. memory is 11.5 GB. * Witness Printer took 41.43 ms. Allocated memory is still 1.2 GB. Free memory was 961.3 MB in the beginning and 954.6 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__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: 107]: 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: 50]: Loop Invariant [2018-12-02 19:19:13,983 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,983 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,983 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,984 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,984 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,984 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,984 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,984 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,985 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: 73]: Loop Invariant [2018-12-02 19:19:13,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,986 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,987 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,988 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,988 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: 19]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 36]: Loop Invariant [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,989 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,990 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,991 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_sqrtf_~ix~0,QUANTIFIED] [2018-12-02 19:19:13,991 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: 84]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 48 locations, 1 error locations. SAFE Result, 10.9s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 8.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 SDtfs, 151 SDslu, 422 SDs, 0 SdLazy, 141 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 6.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=48occurred 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, 13 LocationsWithAnnotation, 17 PreInvPairs, 24 NumberOfFragments, 161 HoareAnnotationTreeSize, 17 FomulaSimplifications, 46 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 68 ConstructedInterpolants, 6 QuantifiedInterpolants, 7887 SizeOfPredicates, 9 NumberOfNonLiveVariables, 211 ConjunctsInSsa, 24 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...