./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_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_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/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 e244339627025cb250c22854e0eaa32467bc4188 .................................................................................................................................................................................................................................................................................................................................. 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_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/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 e244339627025cb250c22854e0eaa32467bc4188 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:11:46,921 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:11:46,922 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:11:46,929 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:11:46,930 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:11:46,930 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:11:46,931 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:11:46,932 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:11:46,933 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:11:46,933 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:11:46,934 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:11:46,934 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:11:46,934 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:11:46,935 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:11:46,935 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:11:46,936 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:11:46,936 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:11:46,937 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:11:46,938 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:11:46,939 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:11:46,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:11:46,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:11:46,941 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:11:46,941 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:11:46,941 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:11:46,942 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:11:46,942 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:11:46,942 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:11:46,943 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:11:46,943 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:11:46,943 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:11:46,944 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:11:46,944 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:11:46,944 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:11:46,945 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:11:46,945 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:11:46,945 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:11:46,953 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:11:46,953 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:11:46,954 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:11:46,954 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:11:46,954 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:11:46,955 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:11:46,955 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:11:46,956 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:11:46,956 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:11:46,956 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:11:46,957 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:11:46,957 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:11:46,957 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_347afd36-5e20-4594-a323-7f5ca2d28d37/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-12-02 17:11:46,975 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:11:46,984 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:11:46,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:11:46,988 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:11:46,988 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:11:46,989 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-02 17:11:47,029 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/cdc1f487f/d417d48c1ba348cb9d8cccdbf9bdedad/FLAG7dc95922d [2018-12-02 17:11:47,336 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:11:47,337 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-02 17:11:47,342 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/cdc1f487f/d417d48c1ba348cb9d8cccdbf9bdedad/FLAG7dc95922d [2018-12-02 17:11:47,772 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/cdc1f487f/d417d48c1ba348cb9d8cccdbf9bdedad [2018-12-02 17:11:47,775 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:11:47,776 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:11:47,777 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:11:47,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:11:47,779 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:11:47,780 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:47,782 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28bd7f12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47, skipping insertion in model container [2018-12-02 17:11:47,782 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:47,789 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:11:47,804 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:11:47,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:11:47,919 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:11:47,947 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:11:47,993 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:11:47,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47 WrapperNode [2018-12-02 17:11:47,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:11:47,994 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:11:47,994 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:11:47,994 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:11:47,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,006 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,011 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:11:48,011 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:11:48,011 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:11:48,011 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:11:48,017 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,030 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... [2018-12-02 17:11:48,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:11:48,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:11:48,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:11:48,042 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:11:48,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:11:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:11:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:11:48,100 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 17:11:48,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:11:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 17:11:48,101 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:11:48,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:11:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:11:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 17:11:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 17:11:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 17:11:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:11:48,102 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-02 17:11:48,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-02 17:11:48,382 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:11:48,383 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-02 17:11:48,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:11:48 BoogieIcfgContainer [2018-12-02 17:11:48,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:11:48,383 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:11:48,384 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:11:48,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:11:48,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:11:47" (1/3) ... [2018-12-02 17:11:48,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767eadbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:11:48, skipping insertion in model container [2018-12-02 17:11:48,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:47" (2/3) ... [2018-12-02 17:11:48,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@767eadbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:11:48, skipping insertion in model container [2018-12-02 17:11:48,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:11:48" (3/3) ... [2018-12-02 17:11:48,389 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-12-02 17:11:48,398 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:11:48,403 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:11:48,417 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:11:48,438 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:11:48,438 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:11:48,438 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:11:48,439 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:11:48,439 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:11:48,439 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:11:48,439 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:11:48,439 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:11:48,452 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-02 17:11:48,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 17:11:48,456 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:11:48,457 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:11:48,458 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:11:48,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:11:48,461 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-02 17:11:48,463 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:11:48,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:11:48,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:11:48,497 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:11:48,497 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:11:48,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:48,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:11:48,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:11:48,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:11:48,556 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:11:48,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:11:48,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:11:48,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:11:48,569 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-02 17:11:48,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:11:48,589 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-02 17:11:48,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:11:48,590 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-02 17:11:48,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:11:48,597 INFO L225 Difference]: With dead ends: 152 [2018-12-02 17:11:48,597 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 17:11:48,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:11:48,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 17:11:48,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-02 17:11:48,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-02 17:11:48,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-02 17:11:48,631 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-02 17:11:48,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:11:48,631 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-02 17:11:48,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:11:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-02 17:11:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 17:11:48,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:11:48,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:11:48,632 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:11:48,632 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:11:48,632 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-02 17:11:48,632 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:11:48,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:11:48,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:11:48,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:11:48,633 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:11:48,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:11:48,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:11:48,679 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:11:48,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:11:48 BoogieIcfgContainer [2018-12-02 17:11:48,700 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:11:48,700 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:11:48,700 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:11:48,701 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:11:48,701 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:11:48" (3/4) ... [2018-12-02 17:11:48,703 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 17:11:48,703 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:11:48,703 INFO L168 Benchmark]: Toolchain (without parser) took 928.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -85.2 MB). Peak memory consumption was 23.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,704 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:11:48,704 INFO L168 Benchmark]: CACSL2BoogieTranslator took 217.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,705 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,705 INFO L168 Benchmark]: Boogie Preprocessor took 31.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,705 INFO L168 Benchmark]: RCFGBuilder took 340.93 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,706 INFO L168 Benchmark]: TraceAbstraction took 316.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,706 INFO L168 Benchmark]: Witness Printer took 2.60 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:11:48,708 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 217.14 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 109.1 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -159.7 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.00 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 340.93 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: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 316.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.60 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: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=6442450964, \old(one_asin)=6442450951, \old(one_sqrt)=6442450949, \old(pio2_hi_asin)=6442450950, \old(pio2_lo_asin)=6442450959, \old(pio4_hi_asin)=6442450952, \old(pS0_asin)=6442450957, \old(pS1_asin)=6442450953, \old(pS2_asin)=6442450947, \old(pS3_asin)=6442450956, \old(pS4_asin)=6442450962, \old(pS5_asin)=6442450954, \old(qS1_asin)=6442450966, \old(qS2_asin)=6442450963, \old(qS3_asin)=6442450945, \old(qS4_asin)=6442450960, \old(tiny_sqrt)=6442450961, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = 0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=0, huge_asin=1000000000000000000000000000000, hx=-2147483648, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=6442450965, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450965, res == 0.0f && __signbit_float(res) == 0=0, tiny_sqrt=1/1000000000000000000000000000000, x=0] [L197] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=6442450965, tiny_sqrt=1/1000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 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=80occurred 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, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:11:50,015 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:11:50,016 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:11:50,022 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:11:50,023 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:11:50,023 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:11:50,024 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:11:50,026 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:11:50,027 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:11:50,027 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:11:50,028 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:11:50,028 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:11:50,028 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:11:50,029 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:11:50,029 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:11:50,030 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:11:50,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:11:50,031 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:11:50,032 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:11:50,033 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:11:50,034 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:11:50,034 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:11:50,035 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:11:50,036 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:11:50,036 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:11:50,036 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:11:50,037 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:11:50,037 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:11:50,037 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:11:50,038 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:11:50,038 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:11:50,038 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:11:50,038 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:11:50,039 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:11:50,039 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:11:50,040 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:11:50,040 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 17:11:50,050 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:11:50,050 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:11:50,051 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:11:50,051 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:11:50,051 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:11:50,052 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:11:50,052 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:11:50,052 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:11:50,052 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:11:50,052 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:11:50,053 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:11:50,053 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:11:50,053 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:11:50,053 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:11:50,053 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:11:50,053 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:11:50,054 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:11:50,055 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:11:50,055 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:11:50,055 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:11:50,055 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:11:50,055 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:11:50,055 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:11:50,055 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:11:50,055 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:11:50,056 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 17:11:50,056 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:11:50,056 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 17:11:50,056 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 17:11:50,056 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_347afd36-5e20-4594-a323-7f5ca2d28d37/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 -> e244339627025cb250c22854e0eaa32467bc4188 [2018-12-02 17:11:50,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:11:50,087 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:11:50,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:11:50,090 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:11:50,090 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:11:50,091 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-02 17:11:50,126 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/bcb1ce661/157e274f80c64f0487c81ab8776979fe/FLAG4e79e5da2 [2018-12-02 17:11:50,569 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:11:50,569 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/sv-benchmarks/c/float-newlib/float_req_bl_0270b_true-unreach-call.c [2018-12-02 17:11:50,573 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/bcb1ce661/157e274f80c64f0487c81ab8776979fe/FLAG4e79e5da2 [2018-12-02 17:11:50,582 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/data/bcb1ce661/157e274f80c64f0487c81ab8776979fe [2018-12-02 17:11:50,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:11:50,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:11:50,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:11:50,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:11:50,587 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:11:50,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,589 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@736e3ff3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50, skipping insertion in model container [2018-12-02 17:11:50,589 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:11:50,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:11:50,722 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:11:50,726 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:11:50,757 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:11:50,772 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:11:50,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50 WrapperNode [2018-12-02 17:11:50,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:11:50,773 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:11:50,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:11:50,774 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:11:50,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,787 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:11:50,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:11:50,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:11:50,821 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:11:50,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,830 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,846 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... [2018-12-02 17:11:50,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:11:50,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:11:50,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:11:50,850 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:11:50,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:11:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:11:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:11:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-02 17:11:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-02 17:11:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 17:11:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:11:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:11:50,880 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-02 17:11:50,880 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:11:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-02 17:11:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:11:50,881 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-02 17:11:50,881 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-02 17:11:50,991 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:11:51,012 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:11:59,646 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:11:59,671 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:00,141 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:12:00,144 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:12:00,144 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-02 17:12:00,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:00 BoogieIcfgContainer [2018-12-02 17:12:00,144 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:12:00,145 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:12:00,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:12:00,146 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:12:00,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:11:50" (1/3) ... [2018-12-02 17:12:00,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6198e358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:12:00, skipping insertion in model container [2018-12-02 17:12:00,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:11:50" (2/3) ... [2018-12-02 17:12:00,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6198e358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:12:00, skipping insertion in model container [2018-12-02 17:12:00,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:00" (3/3) ... [2018-12-02 17:12:00,148 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270b_true-unreach-call.c [2018-12-02 17:12:00,153 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:12:00,158 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:12:00,166 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:12:00,183 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:12:00,183 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:12:00,183 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:12:00,183 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:12:00,184 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:12:00,184 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:12:00,184 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:12:00,184 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:12:00,184 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:12:00,194 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-02 17:12:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-02 17:12:00,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:00,198 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:00,199 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:00,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:00,202 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-02 17:12:00,204 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:00,205 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:00,212 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:00,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:00,419 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:00,429 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:00,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:12:00,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:12:00,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:12:00,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:12:00,440 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-02 17:12:00,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:00,457 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-02 17:12:00,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:12:00,459 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-02 17:12:00,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:00,467 INFO L225 Difference]: With dead ends: 152 [2018-12-02 17:12:00,467 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 17:12:00,470 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:12:00,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 17:12:00,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-02 17:12:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-02 17:12:00,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-02 17:12:00,498 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-02 17:12:00,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:00,498 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-02 17:12:00,498 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:12:00,498 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-02 17:12:00,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 17:12:00,499 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:00,499 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:00,499 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:00,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:00,500 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-02 17:12:00,500 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:00,500 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:00,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:00,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:00,669 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:00,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:00,755 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:00,765 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:00,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:12:00,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:12:00,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:12:00,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:12:00,766 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-12-02 17:12:06,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:06,900 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-12-02 17:12:06,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:12:06,901 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-12-02 17:12:06,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:06,903 INFO L225 Difference]: With dead ends: 94 [2018-12-02 17:12:06,903 INFO L226 Difference]: Without dead ends: 79 [2018-12-02 17:12:06,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:12:06,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-02 17:12:06,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-02 17:12:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-02 17:12:06,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-12-02 17:12:06,910 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-12-02 17:12:06,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:06,911 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-12-02 17:12:06,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:12:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-02 17:12:06,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 17:12:06,911 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:06,911 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:06,911 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:06,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:06,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-12-02 17:12:06,912 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:06,912 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:06,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:07,125 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:07,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:07,181 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:07,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:07,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:12:07,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:12:07,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:12:07,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:12:07,192 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-12-02 17:12:12,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:12,653 INFO L93 Difference]: Finished difference Result 94 states and 112 transitions. [2018-12-02 17:12:12,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:12:12,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 17:12:12,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:12,655 INFO L225 Difference]: With dead ends: 94 [2018-12-02 17:12:12,655 INFO L226 Difference]: Without dead ends: 79 [2018-12-02 17:12:12,655 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:12:12,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-02 17:12:12,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-02 17:12:12,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-02 17:12:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-12-02 17:12:12,660 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-12-02 17:12:12,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:12,660 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-12-02 17:12:12,660 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:12:12,660 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-12-02 17:12:12,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 17:12:12,661 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:12,661 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:12,661 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:12,661 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:12,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-12-02 17:12:12,662 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:12,662 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:12,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:13,612 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:13,685 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:13,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:13,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:12:13,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:12:13,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:12:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:12:13,704 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-12-02 17:12:18,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:18,257 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2018-12-02 17:12:18,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:12:18,257 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-02 17:12:18,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:18,258 INFO L225 Difference]: With dead ends: 104 [2018-12-02 17:12:18,258 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 17:12:18,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:12:18,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 17:12:18,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-02 17:12:18,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-02 17:12:18,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-12-02 17:12:18,266 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 21 [2018-12-02 17:12:18,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:18,266 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-12-02 17:12:18,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:12:18,266 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-12-02 17:12:18,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 17:12:18,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:18,267 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:18,267 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:18,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:18,267 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-12-02 17:12:18,267 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:18,267 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:18,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:18,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:18,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:18,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:18,379 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:18,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:18,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:12:18,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:12:18,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:12:18,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:12:18,387 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 7 states. [2018-12-02 17:12:18,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:18,610 INFO L93 Difference]: Finished difference Result 83 states and 96 transitions. [2018-12-02 17:12:18,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:12:18,611 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-02 17:12:18,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:18,611 INFO L225 Difference]: With dead ends: 83 [2018-12-02 17:12:18,611 INFO L226 Difference]: Without dead ends: 80 [2018-12-02 17:12:18,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:12:18,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-12-02 17:12:18,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-12-02 17:12:18,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-12-02 17:12:18,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 93 transitions. [2018-12-02 17:12:18,616 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 93 transitions. Word has length 22 [2018-12-02 17:12:18,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:18,617 INFO L480 AbstractCegarLoop]: Abstraction has 80 states and 93 transitions. [2018-12-02 17:12:18,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:12:18,617 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 93 transitions. [2018-12-02 17:12:18,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-02 17:12:18,617 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:18,617 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:18,617 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:18,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:18,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-12-02 17:12:18,618 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:18,618 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:18,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:18,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:18,696 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:18,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:18,842 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:18,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:18,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 17:12:18,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 17:12:18,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 17:12:18,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:12:18,851 INFO L87 Difference]: Start difference. First operand 80 states and 93 transitions. Second operand 12 states. [2018-12-02 17:12:19,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:19,460 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2018-12-02 17:12:19,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:12:19,461 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-12-02 17:12:19,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:19,461 INFO L225 Difference]: With dead ends: 85 [2018-12-02 17:12:19,461 INFO L226 Difference]: Without dead ends: 76 [2018-12-02 17:12:19,462 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:12:19,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-02 17:12:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-02 17:12:19,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-02 17:12:19,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2018-12-02 17:12:19,468 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 30 [2018-12-02 17:12:19,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:19,468 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2018-12-02 17:12:19,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 17:12:19,468 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2018-12-02 17:12:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-02 17:12:19,469 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:12:19,469 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:12:19,470 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:12:19,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:12:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash -1646459894, now seen corresponding path program 1 times [2018-12-02 17:12:19,470 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:12:19,470 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-02 17:12:19,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:12:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:12:20,906 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:12:21,689 WARN L180 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-02 17:12:21,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:12:21,977 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:12:22,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:12:22,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 17:12:22,002 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 17:12:22,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 17:12:22,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 17:12:22,003 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 6 states. [2018-12-02 17:12:23,105 WARN L180 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-02 17:12:26,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:12:26,013 INFO L93 Difference]: Finished difference Result 76 states and 88 transitions. [2018-12-02 17:12:26,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 17:12:26,017 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2018-12-02 17:12:26,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:12:26,017 INFO L225 Difference]: With dead ends: 76 [2018-12-02 17:12:26,017 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:12:26,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 40 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:12:26,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:12:26,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:12:26,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:12:26,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:12:26,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 48 [2018-12-02 17:12:26,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:12:26,018 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:12:26,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 17:12:26,018 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:12:26,018 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:12:26,021 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:12:26,680 WARN L180 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 17:12:27,103 WARN L180 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 17:12:27,523 WARN L180 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:12:27,552 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-12-02 17:12:27,552 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-12-02 17:12:27,552 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-12-02 17:12:27,552 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-12-02 17:12:27,553 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (and (= (_ +zero 8 24) main_~x~0) (= (_ +zero 8 24) main_~res~0) |main_#t~short21|) (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-02 17:12:27,553 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-12-02 17:12:27,553 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= (_ +zero 8 24) main_~x~0) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-02 17:12:27,554 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-12-02 17:12:27,554 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-02 17:12:27,554 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-02 17:12:27,554 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-12-02 17:12:27,555 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-12-02 17:12:27,555 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-02 17:12:27,556 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-12-02 17:12:27,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,564 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,565 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,566 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,567 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,568 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,569 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:12:27 BoogieIcfgContainer [2018-12-02 17:12:27,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:12:27,571 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:12:27,571 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:12:27,571 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:12:27,572 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:12:00" (3/4) ... [2018-12-02 17:12:27,574 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:12:27,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:12:27,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-02 17:12:27,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:12:27,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-02 17:12:27,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-02 17:12:27,579 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-02 17:12:27,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 17:12:27,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-02 17:12:27,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-02 17:12:27,583 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:12:27,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-12-02 17:12:27,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 17:12:27,604 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-12-02 17:12:27,630 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_347afd36-5e20-4594-a323-7f5ca2d28d37/bin-2019/utaipan/witness.graphml [2018-12-02 17:12:27,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:12:27,631 INFO L168 Benchmark]: Toolchain (without parser) took 37047.08 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:27,631 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. [2018-12-02 17:12:27,631 INFO L168 Benchmark]: CACSL2BoogieTranslator took 188.40 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:27,631 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:27,632 INFO L168 Benchmark]: Boogie Preprocessor took 28.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:27,632 INFO L168 Benchmark]: RCFGBuilder took 9294.71 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:27,632 INFO L168 Benchmark]: TraceAbstraction took 27426.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:12:27,632 INFO L168 Benchmark]: Witness Printer took 59.27 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:12:27,633 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 188.40 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 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 47.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.9 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.18 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9294.71 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: 46.9 MB). Peak memory consumption was 46.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27426.04 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -67.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 59.27 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: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: 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: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,636 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,637 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,638 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 17:12:27,639 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. SAFE Result, 27.3s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 21.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 569 SDtfs, 354 SDslu, 2332 SDs, 0 SdLazy, 346 SolverSat, 44 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 18.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 188 GetRequests, 131 SyntacticMatches, 3 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred 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, 7 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 44 PreInvPairs, 63 NumberOfFragments, 284 HoareAnnotationTreeSize, 44 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 459 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 2.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 168 ConstructedInterpolants, 15 QuantifiedInterpolants, 47185 SizeOfPredicates, 25 NumberOfNonLiveVariables, 821 ConjunctsInSsa, 54 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...