./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a_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_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 5cd93119259b478e9ace2ae93fde799beac44478 .................................................................................................................................................................................................................................................................................................................... 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_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1122a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 5cd93119259b478e9ace2ae93fde799beac44478 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 22:11:08,321 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:11:08,322 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:11:08,328 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:11:08,328 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:11:08,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:11:08,330 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:11:08,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:11:08,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:11:08,333 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:11:08,333 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:11:08,334 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:11:08,334 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:11:08,335 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:11:08,336 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:11:08,336 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:11:08,337 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:11:08,338 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:11:08,340 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:11:08,341 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:11:08,341 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:11:08,342 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:11:08,344 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:11:08,344 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:11:08,344 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:11:08,345 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:11:08,346 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:11:08,346 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:11:08,347 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:11:08,348 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:11:08,348 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:11:08,348 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:11:08,348 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:11:08,348 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:11:08,349 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:11:08,349 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:11:08,349 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 22:11:08,359 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:11:08,359 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:11:08,360 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:11:08,360 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:11:08,360 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:11:08,360 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:11:08,360 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:11:08,360 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 22:11:08,361 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:11:08,361 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:11:08,361 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 22:11:08,361 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 22:11:08,361 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:11:08,362 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:11:08,362 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:11:08,362 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 22:11:08,362 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:11:08,362 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:11:08,362 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:11:08,362 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:11:08,363 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:11:08,363 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:11:08,363 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:11:08,363 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:11:08,363 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:11:08,363 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:11:08,364 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:11:08,364 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:11:08,364 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:11:08,364 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:11:08,364 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:11:08,364 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:11:08,364 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 22:11:08,365 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:11:08,365 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 22:11:08,365 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 22:11:08,365 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_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 -> 5cd93119259b478e9ace2ae93fde799beac44478 [2018-12-08 22:11:08,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:11:08,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:11:08,396 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:11:08,397 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:11:08,397 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:11:08,398 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2018-12-08 22:11:08,444 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/db17ec7c8/1582299be503496aa9a55eeedeaf7a3d/FLAG3690034b5 [2018-12-08 22:11:08,797 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:11:08,798 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/sv-benchmarks/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2018-12-08 22:11:08,802 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/db17ec7c8/1582299be503496aa9a55eeedeaf7a3d/FLAG3690034b5 [2018-12-08 22:11:08,810 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/db17ec7c8/1582299be503496aa9a55eeedeaf7a3d [2018-12-08 22:11:08,811 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:11:08,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:11:08,813 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:11:08,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:11:08,816 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:11:08,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:11:08" (1/1) ... [2018-12-08 22:11:08,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332a5ad8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:08, skipping insertion in model container [2018-12-08 22:11:08,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:11:08" (1/1) ... [2018-12-08 22:11:08,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:11:08,833 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:11:08,939 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:11:08,942 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:11:08,962 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:11:09,003 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:11:09,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09 WrapperNode [2018-12-08 22:11:09,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:11:09,004 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:11:09,004 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:11:09,004 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:11:09,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,021 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:11:09,021 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:11:09,021 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:11:09,021 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:11:09,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,041 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... [2018-12-08 22:11:09,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:11:09,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:11:09,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:11:09,044 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:11:09,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 [2018-12-08 22:11:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:11:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:11:09,075 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-08 22:11:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-08 22:11:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-08 22:11:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-08 22:11:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:11:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:11:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-08 22:11:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:11:09,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:11:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:11:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-08 22:11:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-08 22:11:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-12-08 22:11:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-12-08 22:11:09,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:11:09,286 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:11:09,286 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 22:11:09,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:11:09 BoogieIcfgContainer [2018-12-08 22:11:09,287 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:11:09,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:11:09,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:11:09,289 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:11:09,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:11:08" (1/3) ... [2018-12-08 22:11:09,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3386b29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:11:09, skipping insertion in model container [2018-12-08 22:11:09,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:09" (2/3) ... [2018-12-08 22:11:09,290 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3386b29d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:11:09, skipping insertion in model container [2018-12-08 22:11:09,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:11:09" (3/3) ... [2018-12-08 22:11:09,292 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a_true-unreach-call.c [2018-12-08 22:11:09,297 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:11:09,302 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:11:09,311 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:11:09,330 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:11:09,330 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:11:09,330 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:11:09,330 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:11:09,330 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:11:09,330 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:11:09,331 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:11:09,331 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:11:09,341 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2018-12-08 22:11:09,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-08 22:11:09,345 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:11:09,345 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] [2018-12-08 22:11:09,346 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:11:09,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:11:09,350 INFO L82 PathProgramCache]: Analyzing trace with hash -348005672, now seen corresponding path program 1 times [2018-12-08 22:11:09,351 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:11:09,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:11:09,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:11:09,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:11:09,380 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:11:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:11:09,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:11:09,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:11:09,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:11:09,431 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 22:11:09,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:11:09,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:11:09,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:11:09,443 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2018-12-08 22:11:09,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:11:09,458 INFO L93 Difference]: Finished difference Result 102 states and 158 transitions. [2018-12-08 22:11:09,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:11:09,459 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-08 22:11:09,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:11:09,465 INFO L225 Difference]: With dead ends: 102 [2018-12-08 22:11:09,465 INFO L226 Difference]: Without dead ends: 51 [2018-12-08 22:11:09,467 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 [2018-12-08 22:11:09,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-08 22:11:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-12-08 22:11:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-12-08 22:11:09,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2018-12-08 22:11:09,491 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 22 [2018-12-08 22:11:09,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:11:09,491 INFO L480 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2018-12-08 22:11:09,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:11:09,491 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2018-12-08 22:11:09,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:11:09,492 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:11:09,492 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] [2018-12-08 22:11:09,492 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:11:09,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:11:09,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1100584309, now seen corresponding path program 1 times [2018-12-08 22:11:09,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 22:11:09,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:11:09,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:11:09,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 22:11:09,494 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 22:11:09,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:11:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-08 22:11:09,556 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-08 22:11:09,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:11:09 BoogieIcfgContainer [2018-12-08 22:11:09,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:11:09,575 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:11:09,575 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:11:09,575 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:11:09,576 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:11:09" (3/4) ... [2018-12-08 22:11:09,578 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-08 22:11:09,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:11:09,578 INFO L168 Benchmark]: Toolchain (without parser) took 766.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -88.3 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:09,579 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-12-08 22:11:09,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:09,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:09,580 INFO L168 Benchmark]: Boogie Preprocessor took 22.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:09,581 INFO L168 Benchmark]: RCFGBuilder took 243.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:09,581 INFO L168 Benchmark]: TraceAbstraction took 287.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:09,581 INFO L168 Benchmark]: Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:11:09,583 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -160.9 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 243.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 287.39 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 123]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 108, overapproximation of someUnaryDOUBLEoperation at line 14, overapproximation of bitwiseAnd at line 30, overapproximation of someBinaryArithmeticFLOAToperation at line 35, overapproximation of bitwiseXor at line 31. Possible FailurePath: [L12-L15] static const float one_fmod = 1.0, Zero_fmod[] = { 0.0, -0.0, }; VAL [\old(one_fmod)=10737418253, \old(Zero_fmod)=10737418250, \old(Zero_fmod)=10737418247, one_fmod=1, Zero_fmod={10737418249:0}] [L117] float x = 1.0f / 0.0f; [L118] float y = __VERIFIER_nondet_float(); [L119] CALL, EXPR fmod_float(x, y) VAL [\old(x)=10737418244, \old(y)=10737418251, one_fmod=1, Zero_fmod={10737418249:0}] [L18] __int32_t n, hx, hy, hz, ix, iy, sx, i; VAL [\old(x)=10737418244, \old(y)=10737418251, one_fmod=1, x=10737418244, y=10737418251, Zero_fmod={10737418249:0}] [L21] ieee_float_shape_type gf_u; [L22] gf_u.value = (x) [L23] EXPR gf_u.word [L23] (hx) = gf_u.word [L26] ieee_float_shape_type gf_u; [L27] gf_u.value = (y) [L28] EXPR gf_u.word [L28] (hy) = gf_u.word [L30] sx = hx & 0x80000000 [L31] hx ^= sx [L32] hy &= 0x7fffffff VAL [\old(x)=10737418244, \old(y)=10737418251, one_fmod=1, sx=-1, x=10737418244, y=10737418251, Zero_fmod={10737418249:0}] [L34] COND TRUE ((hy) == 0) || !((hx) < 0x7f800000L) || ((hy) > 0x7f800000L) [L35] return (x * y) / (x * y); VAL [\old(x)=10737418244, \old(y)=10737418251, hx=2139095040, hy=2139095041, one_fmod=1, sx=-1, x=10737418244, y=10737418251, Zero_fmod={10737418249:0}] [L119] RET, EXPR fmod_float(x, y) VAL [fmod_float(x, y)=10737418243, one_fmod=1, x=10737418244, y=10737418251, Zero_fmod={10737418249:0}] [L119] float res = fmod_float(x, y); [L122] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418243, one_fmod=1, Zero_fmod={10737418249:0}] [L108] return x != x; VAL [\old(x)=10737418243, \result=0, one_fmod=1, x=10737418243, Zero_fmod={10737418249:0}] [L122] RET, EXPR isnan_float(res) VAL [isnan_float(res)=0, one_fmod=1, res=10737418243, x=10737418244, y=10737418251, Zero_fmod={10737418249:0}] [L122] COND TRUE !isnan_float(res) [L123] __VERIFIER_error() VAL [one_fmod=1, res=10737418243, x=10737418244, y=10737418251, Zero_fmod={10737418249:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 55 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 70 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=55occurred 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, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 441 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 [2018-12-08 22:11:10,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 22:11:10,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 22:11:10,951 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 22:11:10,952 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 22:11:10,952 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 22:11:10,953 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 22:11:10,955 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 22:11:10,956 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 22:11:10,956 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 22:11:10,957 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 22:11:10,957 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 22:11:10,957 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 22:11:10,958 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 22:11:10,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 22:11:10,959 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 22:11:10,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 22:11:10,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 22:11:10,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 22:11:10,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 22:11:10,963 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 22:11:10,964 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 22:11:10,966 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 22:11:10,966 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 22:11:10,966 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 22:11:10,967 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 22:11:10,967 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 22:11:10,968 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 22:11:10,969 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 22:11:10,969 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 22:11:10,970 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 22:11:10,970 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 22:11:10,970 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 22:11:10,970 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 22:11:10,971 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 22:11:10,972 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 22:11:10,972 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-08 22:11:10,982 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 22:11:10,982 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 22:11:10,982 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 22:11:10,983 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 22:11:10,983 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 22:11:10,983 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 22:11:10,983 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 22:11:10,983 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 22:11:10,983 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 22:11:10,984 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 22:11:10,984 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 22:11:10,984 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 22:11:10,984 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-08 22:11:10,985 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 22:11:10,986 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 22:11:10,986 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 22:11:10,986 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 22:11:10,986 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 22:11:10,986 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 22:11:10,986 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 22:11:10,987 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 22:11:10,987 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 22:11:10,987 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 22:11:10,987 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 22:11:10,987 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 22:11:10,987 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-08 22:11:10,987 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 22:11:10,988 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-08 22:11:10,988 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-08 22:11:10,988 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_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 -> 5cd93119259b478e9ace2ae93fde799beac44478 [2018-12-08 22:11:11,011 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 22:11:11,018 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 22:11:11,020 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 22:11:11,021 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 22:11:11,022 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 22:11:11,022 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2018-12-08 22:11:11,057 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/dde5cabfe/29f10fa22d0643f2b20f29e0742b4111/FLAGf4d5e0c0c [2018-12-08 22:11:11,492 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 22:11:11,493 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/sv-benchmarks/c/float-newlib/float_req_bl_1122a_true-unreach-call.c [2018-12-08 22:11:11,497 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/dde5cabfe/29f10fa22d0643f2b20f29e0742b4111/FLAGf4d5e0c0c [2018-12-08 22:11:11,505 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/data/dde5cabfe/29f10fa22d0643f2b20f29e0742b4111 [2018-12-08 22:11:11,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 22:11:11,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 22:11:11,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 22:11:11,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 22:11:11,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 22:11:11,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eeab9cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11, skipping insertion in model container [2018-12-08 22:11:11,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 22:11:11,529 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 22:11:11,635 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:11:11,639 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 22:11:11,662 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 22:11:11,677 INFO L195 MainTranslator]: Completed translation [2018-12-08 22:11:11,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11 WrapperNode [2018-12-08 22:11:11,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 22:11:11,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 22:11:11,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 22:11:11,678 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 22:11:11,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,690 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 22:11:11,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 22:11:11,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 22:11:11,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 22:11:11,728 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,739 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,745 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... [2018-12-08 22:11:11,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 22:11:11,747 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 22:11:11,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 22:11:11,747 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 22:11:11,747 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 [2018-12-08 22:11:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-08 22:11:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 22:11:11,777 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 22:11:11,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-08 22:11:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-12-08 22:11:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-12-08 22:11:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 22:11:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 22:11:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 22:11:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-08 22:11:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 22:11:11,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 22:11:11,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-08 22:11:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure fmod_float [2018-12-08 22:11:11,779 INFO L138 BoogieDeclarations]: Found implementation of procedure fmod_float [2018-12-08 22:11:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-08 22:11:11,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-08 22:11:11,874 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:11:11,928 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:11:11,950 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-08 22:11:12,274 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 22:11:12,274 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-08 22:11:12,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:11:12 BoogieIcfgContainer [2018-12-08 22:11:12,274 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 22:11:12,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 22:11:12,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 22:11:12,276 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 22:11:12,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 10:11:11" (1/3) ... [2018-12-08 22:11:12,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626449f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:11:12, skipping insertion in model container [2018-12-08 22:11:12,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 10:11:11" (2/3) ... [2018-12-08 22:11:12,277 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@626449f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 10:11:12, skipping insertion in model container [2018-12-08 22:11:12,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:11:12" (3/3) ... [2018-12-08 22:11:12,278 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1122a_true-unreach-call.c [2018-12-08 22:11:12,284 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 22:11:12,288 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 22:11:12,297 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 22:11:12,314 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 22:11:12,314 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 22:11:12,314 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 22:11:12,314 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 22:11:12,314 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 22:11:12,314 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 22:11:12,315 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 22:11:12,315 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 22:11:12,315 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 22:11:12,324 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states. [2018-12-08 22:11:12,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 22:11:12,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:11:12,328 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 22:11:12,329 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:11:12,332 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:11:12,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1582823124, now seen corresponding path program 1 times [2018-12-08 22:11:12,335 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:11:12,335 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 [2018-12-08 22:11:12,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:11:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:11:12,569 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:11:12,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:11:12,580 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:11:12,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:11:12,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 22:11:12,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 22:11:12,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 22:11:12,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:11:12,603 INFO L87 Difference]: Start difference. First operand 54 states. Second operand 2 states. [2018-12-08 22:11:12,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:11:12,617 INFO L93 Difference]: Finished difference Result 100 states and 156 transitions. [2018-12-08 22:11:12,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 22:11:12,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 21 [2018-12-08 22:11:12,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:11:12,624 INFO L225 Difference]: With dead ends: 100 [2018-12-08 22:11:12,624 INFO L226 Difference]: Without dead ends: 50 [2018-12-08 22:11:12,626 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 22:11:12,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-12-08 22:11:12,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-12-08 22:11:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-08 22:11:12,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 65 transitions. [2018-12-08 22:11:12,649 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 65 transitions. Word has length 21 [2018-12-08 22:11:12,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:11:12,649 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 65 transitions. [2018-12-08 22:11:12,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 22:11:12,649 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 65 transitions. [2018-12-08 22:11:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-08 22:11:12,650 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:11:12,650 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] [2018-12-08 22:11:12,650 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:11:12,650 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:11:12,650 INFO L82 PathProgramCache]: Analyzing trace with hash -853861129, now seen corresponding path program 1 times [2018-12-08 22:11:12,651 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:11:12,651 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 [2018-12-08 22:11:12,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:11:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:11:12,859 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:11:15,663 WARN L180 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-08 22:11:18,393 WARN L180 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-08 22:11:21,072 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-08 22:11:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:11:23,876 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:11:23,885 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:11:23,885 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 22:11:23,886 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 22:11:23,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 22:11:23,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 22:11:23,886 INFO L87 Difference]: Start difference. First operand 50 states and 65 transitions. Second operand 9 states. [2018-12-08 22:11:31,835 WARN L180 SmtUtils]: Spent 3.11 s on a formula simplification that was a NOOP. DAG size: 11 [2018-12-08 22:11:34,967 WARN L180 SmtUtils]: Spent 523.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-08 22:11:38,012 WARN L180 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-08 22:11:41,029 WARN L180 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-12-08 22:11:42,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:11:42,855 INFO L93 Difference]: Finished difference Result 59 states and 74 transitions. [2018-12-08 22:11:42,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 22:11:42,855 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-08 22:11:42,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:11:42,857 INFO L225 Difference]: With dead ends: 59 [2018-12-08 22:11:42,858 INFO L226 Difference]: Without dead ends: 52 [2018-12-08 22:11:42,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 22.7s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 22:11:42,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-08 22:11:42,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 50. [2018-12-08 22:11:42,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-12-08 22:11:42,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 64 transitions. [2018-12-08 22:11:42,864 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 64 transitions. Word has length 23 [2018-12-08 22:11:42,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:11:42,865 INFO L480 AbstractCegarLoop]: Abstraction has 50 states and 64 transitions. [2018-12-08 22:11:42,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 22:11:42,865 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 64 transitions. [2018-12-08 22:11:42,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-08 22:11:42,865 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 22:11:42,866 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] [2018-12-08 22:11:42,866 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 22:11:42,866 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 22:11:42,866 INFO L82 PathProgramCache]: Analyzing trace with hash 988405985, now seen corresponding path program 1 times [2018-12-08 22:11:42,866 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-08 22:11:42,867 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/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 [2018-12-08 22:11:42,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 22:11:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:11:42,910 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 22:11:42,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 22:11:42,994 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-08 22:11:43,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 22:11:43,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 22:11:43,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 22:11:43,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 22:11:43,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-08 22:11:43,004 INFO L87 Difference]: Start difference. First operand 50 states and 64 transitions. Second operand 7 states. [2018-12-08 22:11:43,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 22:11:43,449 INFO L93 Difference]: Finished difference Result 54 states and 68 transitions. [2018-12-08 22:11:43,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 22:11:43,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-08 22:11:43,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 22:11:43,450 INFO L225 Difference]: With dead ends: 54 [2018-12-08 22:11:43,450 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 22:11:43,451 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-12-08 22:11:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 22:11:43,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 22:11:43,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 22:11:43,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 22:11:43,451 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-08 22:11:43,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 22:11:43,451 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 22:11:43,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 22:11:43,451 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 22:11:43,451 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:11:43,454 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 22:11:44,110 WARN L180 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-12-08 22:11:44,157 INFO L448 ceAbstractionStarter]: For program point isnan_floatFINAL(line 108) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L451 ceAbstractionStarter]: At program point isnan_floatENTRY(line 108) the Hoare annotation is: true [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point isnan_floatEXIT(line 108) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-08 22:11:44,158 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 110 128) the Hoare annotation is: true [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 110 128) no Hoare annotation was computed. [2018-12-08 22:11:44,158 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (and (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) (exists ((fmod_float_~y (_ FloatingPoint 8 24))) (= (let ((.cse0 (fp.mul roundNearestTiesToEven (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)) fmod_float_~y))) (fp.div roundNearestTiesToEven .cse0 .cse0)) main_~res~0))) [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 122 125) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 110 128) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point fmod_floatEXIT(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 37) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L86(lines 86 103) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L20-1(lines 20 24) no Hoare annotation was computed. [2018-12-08 22:11:44,159 INFO L444 ceAbstractionStarter]: At program point L20-2(lines 20 24) the Hoare annotation is: (= fmod_float_~x |fmod_float_#in~x|) [2018-12-08 22:11:44,159 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 71) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L46(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point fmod_floatFINAL(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L451 ceAbstractionStarter]: At program point fmod_floatENTRY(lines 17 105) the Hoare annotation is: true [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L444 ceAbstractionStarter]: At program point L88-2(lines 88 92) the Hoare annotation is: (and (= fmod_float_~x |fmod_float_#in~x|) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|) (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34)) (_ bv2139095040 32))))) [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 48) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L444 ceAbstractionStarter]: At program point L47-3(lines 47 48) the Hoare annotation is: (and (= fmod_float_~x |fmod_float_#in~x|) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= fmod_float_~hx~0 (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34))) (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|))) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|) (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34)) (_ bv2139095040 32))))) [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (and (= fmod_float_~x |fmod_float_#in~x|) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|) (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34)) (_ bv2139095040 32))))) [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L97-3(lines 97 101) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L40(lines 40 44) no Hoare annotation was computed. [2018-12-08 22:11:44,160 INFO L448 ceAbstractionStarter]: For program point L40-1(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 65 74) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L65-3(lines 65 74) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 85) the Hoare annotation is: (and (= fmod_float_~x |fmod_float_#in~x|) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|) (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34)) (_ bv2139095040 32))))) [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L41-2(lines 41 42) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L444 ceAbstractionStarter]: At program point L41-3(lines 41 42) the Hoare annotation is: (and (= fmod_float_~x |fmod_float_#in~x|) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= fmod_float_~hx~0 (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34))) (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|))) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|) (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34)) (_ bv2139095040 32))))) [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 29) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 58 63) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L25-2(lines 25 29) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 73) no Hoare annotation was computed. [2018-12-08 22:11:44,161 INFO L448 ceAbstractionStarter]: For program point L34(lines 34 35) no Hoare annotation was computed. [2018-12-08 22:11:44,162 INFO L444 ceAbstractionStarter]: At program point L67-2(lines 65 74) the Hoare annotation is: (and (= fmod_float_~x |fmod_float_#in~x|) (exists ((v_fmod_float_~hx~0_34 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v_fmod_float_~hx~0_34) ((_ extract 30 23) v_fmod_float_~hx~0_34) ((_ extract 22 0) v_fmod_float_~hx~0_34)) |fmod_float_#in~x|) (bvslt (bvxor v_fmod_float_~hx~0_34 (bvand (_ bv2147483648 32) v_fmod_float_~hx~0_34)) (_ bv2139095040 32))))) [2018-12-08 22:11:44,162 INFO L448 ceAbstractionStarter]: For program point L76(lines 76 78) no Hoare annotation was computed. [2018-12-08 22:11:44,162 INFO L448 ceAbstractionStarter]: For program point L76-2(lines 17 105) no Hoare annotation was computed. [2018-12-08 22:11:44,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,165 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,166 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,170 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,171 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,172 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,173 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,174 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,175 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,176 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,177 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,178 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,179 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,180 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,181 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,182 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,183 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 10:11:44 BoogieIcfgContainer [2018-12-08 22:11:44,184 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 22:11:44,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:11:44,185 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:11:44,185 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:11:44,185 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 10:11:12" (3/4) ... [2018-12-08 22:11:44,187 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:11:44,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_float [2018-12-08 22:11:44,192 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 22:11:44,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 22:11:44,193 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fmod_float [2018-12-08 22:11:44,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 22:11:44,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-08 22:11:44,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 22:11:44,196 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:11:44,216 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-08 22:11:44,225 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6988a28f-f85c-467d-a7c0-f8af5771f68e/bin-2019/utaipan/witness.graphml [2018-12-08 22:11:44,225 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:11:44,225 INFO L168 Benchmark]: Toolchain (without parser) took 32718.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 943.4 MB in the beginning and 944.9 MB in the end (delta: -1.5 MB). Peak memory consumption was 121.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:44,226 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:11:44,226 INFO L168 Benchmark]: CACSL2BoogieTranslator took 168.96 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:44,226 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.29 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:11:44,227 INFO L168 Benchmark]: Boogie Preprocessor took 52.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:44,227 INFO L168 Benchmark]: RCFGBuilder took 527.35 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:44,227 INFO L168 Benchmark]: TraceAbstraction took 31909.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.7 MB in the end (delta: 132.6 MB). Peak memory consumption was 132.6 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:44,228 INFO L168 Benchmark]: Witness Printer took 40.44 ms. Allocated memory is still 1.2 GB. Free memory was 951.7 MB in the beginning and 944.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:11:44,229 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 168.96 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.29 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -183.8 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 527.35 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: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 31909.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 951.7 MB in the end (delta: 132.6 MB). Peak memory consumption was 132.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.44 ms. Allocated memory is still 1.2 GB. Free memory was 951.7 MB in the beginning and 944.9 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 97]: Loop Invariant [2018-12-08 22:11:44,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,234 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,235 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_fmod_float_~hx~0_34 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x) && ~bvslt32(~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)), 2139095040bv32)) - InvariantResult [Line: 82]: Loop Invariant [2018-12-08 22:11:44,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,236 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,237 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_fmod_float_~hx~0_34 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x) && ~bvslt32(~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)), 2139095040bv32)) - InvariantResult [Line: 41]: Loop Invariant [2018-12-08 22:11:44,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,238 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,239 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,240 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_fmod_float_~hx~0_34 : bv32 :: hx == ~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)) && ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x))) && (\exists v_fmod_float_~hx~0_34 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x) && ~bvslt32(~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)), 2139095040bv32)) - InvariantResult [Line: 88]: Loop Invariant [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,241 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_fmod_float_~hx~0_34 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x) && ~bvslt32(~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)), 2139095040bv32)) - InvariantResult [Line: 47]: Loop Invariant [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,242 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,243 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,244 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] Derived loop invariant: (x == \old(x) && (\exists v_fmod_float_~hx~0_34 : bv32 :: hx == ~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)) && ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x))) && (\exists v_fmod_float_~hx~0_34 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x) && ~bvslt32(~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)), 2139095040bv32)) - InvariantResult [Line: 65]: Loop Invariant [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,245 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] [2018-12-08 22:11:44,246 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_fmod_float_~hx~0_34,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_fmod_float_~hx~0_34 : bv32 :: ~fp~LONGDOUBLE(v_fmod_float_~hx~0_34[31:31], v_fmod_float_~hx~0_34[30:23], v_fmod_float_~hx~0_34[22:0]) == \old(x) && ~bvslt32(~bvxor32(v_fmod_float_~hx~0_34, ~bvand32(2147483648bv32, v_fmod_float_~hx~0_34)), 2139095040bv32)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 54 locations, 1 error locations. SAFE Result, 31.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 19.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 173 SDtfs, 136 SDslu, 466 SDs, 0 SdLazy, 133 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 22.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred 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, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 17 PreInvPairs, 25 NumberOfFragments, 217 HoareAnnotationTreeSize, 17 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 6670 SizeOfPredicates, 9 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 21 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...