./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 d29f12e66e15a9c752fce15327a254c30da4b28a ......................................................................................................................................................................................................................................................................................................................................................... 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_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 d29f12e66e15a9c752fce15327a254c30da4b28a .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:51:52,072 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:51:52,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:51:52,081 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:51:52,081 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:51:52,082 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:51:52,083 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:51:52,084 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:51:52,086 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:51:52,086 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:51:52,087 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:51:52,087 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:51:52,088 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:51:52,089 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:51:52,090 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:51:52,091 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:51:52,091 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:51:52,092 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:51:52,094 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:51:52,095 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:51:52,096 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:51:52,097 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:51:52,098 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:51:52,098 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:51:52,099 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:51:52,100 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:51:52,101 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:51:52,101 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:51:52,102 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:51:52,103 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:51:52,103 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:51:52,104 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:51:52,104 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:51:52,104 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:51:52,105 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:51:52,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:51:52,105 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:51:52,114 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:51:52,115 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:51:52,115 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:51:52,115 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:51:52,115 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:51:52,116 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:51:52,116 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:51:52,117 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:51:52,117 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:51:52,117 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:51:52,117 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:51:52,117 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:51:52,118 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:51:52,118 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:51:52,119 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:51:52,119 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:51:52,119 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:51:52,119 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:51:52,121 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:51:52,121 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:51:52,122 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:51:52,122 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:51:52,122 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:51:52,122 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:51:52,122 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:51:52,122 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_d617014f-b88c-4746-8f3b-13b715e87b4d/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 -> d29f12e66e15a9c752fce15327a254c30da4b28a [2018-11-18 12:51:52,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:51:52,155 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:51:52,157 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:51:52,158 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:51:52,158 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:51:52,159 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-11-18 12:51:52,195 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/b9e94f8b6/f5f7be18184145d585a218e2c367f2af/FLAGfa276d401 [2018-11-18 12:51:52,598 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:51:52,598 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-11-18 12:51:52,603 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/b9e94f8b6/f5f7be18184145d585a218e2c367f2af/FLAGfa276d401 [2018-11-18 12:51:52,610 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/b9e94f8b6/f5f7be18184145d585a218e2c367f2af [2018-11-18 12:51:52,612 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:51:52,613 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:51:52,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:51:52,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:51:52,616 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:51:52,616 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e18d399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52, skipping insertion in model container [2018-11-18 12:51:52,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,623 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:51:52,639 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:51:52,771 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:51:52,773 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:51:52,802 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:51:52,816 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:51:52,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52 WrapperNode [2018-11-18 12:51:52,817 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:51:52,817 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:51:52,817 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:51:52,818 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:51:52,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,871 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:51:52,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:51:52,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:51:52,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:51:52,882 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,899 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... [2018-11-18 12:51:52,913 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:51:52,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:51:52,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:51:52,914 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:51:52,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:51:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-18 12:51:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-18 12:51:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:51:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:51:52,956 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 12:51:52,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:51:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:51:52,957 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:51:52,957 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-18 12:51:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 12:51:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 12:51:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:51:52,958 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 12:51:52,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 12:51:53,355 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:51:53,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:53 BoogieIcfgContainer [2018-11-18 12:51:53,356 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:51:53,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:51:53,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:51:53,359 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:51:53,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:51:52" (1/3) ... [2018-11-18 12:51:53,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1946fb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:51:53, skipping insertion in model container [2018-11-18 12:51:53,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:52" (2/3) ... [2018-11-18 12:51:53,361 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1946fb6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:51:53, skipping insertion in model container [2018-11-18 12:51:53,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:53" (3/3) ... [2018-11-18 12:51:53,363 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b_true-unreach-call.c [2018-11-18 12:51:53,371 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:51:53,378 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:51:53,393 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:51:53,420 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:51:53,421 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:51:53,421 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:51:53,421 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:51:53,421 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:51:53,421 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:51:53,421 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:51:53,421 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:51:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2018-11-18 12:51:53,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-18 12:51:53,444 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:51:53,445 INFO L375 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] [2018-11-18 12:51:53,447 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:51:53,452 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:53,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1144088505, now seen corresponding path program 1 times [2018-11-18 12:51:53,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:51:53,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:53,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:53,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:53,495 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:51:53,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:53,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:51:53,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:51:53,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:51:53,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:51:53,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:51:53,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:51:53,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:51:53,590 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2018-11-18 12:51:53,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:51:53,617 INFO L93 Difference]: Finished difference Result 214 states and 333 transitions. [2018-11-18 12:51:53,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:51:53,618 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 34 [2018-11-18 12:51:53,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:51:53,626 INFO L225 Difference]: With dead ends: 214 [2018-11-18 12:51:53,627 INFO L226 Difference]: Without dead ends: 106 [2018-11-18 12:51:53,630 INFO L604 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 [2018-11-18 12:51:53,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-11-18 12:51:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-11-18 12:51:53,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-11-18 12:51:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2018-11-18 12:51:53,661 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 34 [2018-11-18 12:51:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:51:53,661 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2018-11-18 12:51:53,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:51:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2018-11-18 12:51:53,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-18 12:51:53,662 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:51:53,662 INFO L375 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] [2018-11-18 12:51:53,662 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:51:53,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:53,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1073549159, now seen corresponding path program 1 times [2018-11-18 12:51:53,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:51:53,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:53,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:53,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:51:53,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:51:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:51:53,773 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:51:53,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:51:53 BoogieIcfgContainer [2018-11-18 12:51:53,803 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:51:53,803 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:51:53,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:51:53,804 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:51:53,804 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:53" (3/4) ... [2018-11-18 12:51:53,807 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-18 12:51:53,807 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:51:53,808 INFO L168 Benchmark]: Toolchain (without parser) took 1195.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -108.3 MB). Peak memory consumption was 41.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:53,809 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:51:53,810 INFO L168 Benchmark]: CACSL2BoogieTranslator took 203.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 940.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:53,810 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -200.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:53,811 INFO L168 Benchmark]: Boogie Preprocessor took 37.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:51:53,811 INFO L168 Benchmark]: RCFGBuilder took 442.37 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: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:53,811 INFO L168 Benchmark]: TraceAbstraction took 446.66 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:51:53,812 INFO L168 Benchmark]: Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:51:53,815 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 977.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 203.62 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 940.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.4 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -200.1 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 442.37 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: 48.6 MB). Peak memory consumption was 48.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 446.66 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: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 239]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 211, overapproximation of someBinaryArithmeticFLOAToperation at line 118, overapproximation of bitwiseAnd at line 96. Possible FailurePath: [L12] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; VAL [\old(one_sqrt)=10737418247, \old(tiny_sqrt)=10737418253, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L232] float x = __VERIFIER_nondet_float(); [L233] float y = 0.0f / 0.0f; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L235] CALL isfinite_float(x) VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L215] __int32_t ix; VAL [\old(x)=10737418243, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L217] FCALL ieee_float_shape_type gf_u; [L218] FCALL gf_u.value = (x) [L219] EXPR, FCALL gf_u.word [L219] (ix) = gf_u.word [L220] COND FALSE !(0) VAL [\old(x)=10737418243, ix=2, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L221] ix &= 0x7fffffff [L222] RET return (((ix) < 0x7f800000L)); VAL [\old(x)=10737418243, \result=1, ix=2139095039, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L235] isfinite_float(x) VAL [isfinite_float(x)=1, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243] [L235] COND TRUE isfinite_float(x) [L236] CALL, EXPR __ieee754_hypotf(x, y) VAL [\old(x)=10737418243, \old(y)=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L82] float a = x, b = y, t1, t2, y1, y2, w; [L83] __int32_t j, k, ha, hb; VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418243, b=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L86] FCALL ieee_float_shape_type gf_u; [L87] FCALL gf_u.value = (x) [L88] EXPR, FCALL gf_u.word [L88] (ha) = gf_u.word [L89] COND FALSE !(0) VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418243, b=10737418254, ha=2147483647, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L90] ha &= 0x7fffffffL VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418243, b=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L92] FCALL ieee_float_shape_type gf_u; [L93] FCALL gf_u.value = (y) [L94] EXPR, FCALL gf_u.word [L94] (hb) = gf_u.word [L95] COND FALSE !(0) VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418243, b=10737418254, hb=-2147483648, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L96] hb &= 0x7fffffffL VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418243, b=10737418254, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L97] COND TRUE hb > ha [L98] a = y [L99] b = x [L100] j = ha [L101] ha = hb [L102] hb = j VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418254, b=10737418243, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L108] FCALL ieee_float_shape_type sf_u; [L109] FCALL sf_u.word = (ha) [L110] EXPR, FCALL sf_u.value [L110] (a) = sf_u.value [L111] COND FALSE !(0) VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418246, b=10737418243, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L113] FCALL ieee_float_shape_type sf_u; [L114] FCALL sf_u.word = (hb) [L115] EXPR, FCALL sf_u.value [L115] (b) = sf_u.value [L116] COND FALSE !(0) VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418246, b=10737418251, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L117] COND TRUE (ha - hb) > 0xf000000L [L118] RET return a + b; VAL [\old(x)=10737418243, \old(y)=10737418254, a=10737418246, b=10737418251, ha=251658241, hb=0, j=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L236] EXPR __ieee754_hypotf(x, y) VAL [__ieee754_hypotf(x, y)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L236] float res = __ieee754_hypotf(x, y); [L238] CALL, EXPR isnan_float(res) VAL [\old(x)=10737418256, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L211] RET return x != x; VAL [\old(x)=10737418256, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000, x=10737418256] [L238] EXPR isnan_float(res) VAL [isnan_float(res)=0, one_sqrt=1, res=10737418256, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] [L238] COND TRUE !isnan_float(res) [L239] __VERIFIER_error() VAL [one_sqrt=1, res=10737418256, tiny_sqrt=1/1000000000000000000000000000000, x=10737418243, y=10737418254] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 111 locations, 1 error locations. UNSAFE Result, 0.3s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 134 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=111occurred 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, 73 NumberOfCodeBlocks, 73 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 1089 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 0.1.23-5842f4b [2018-11-18 12:51:55,260 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:51:55,261 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:51:55,268 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:51:55,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:51:55,269 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:51:55,270 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:51:55,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:51:55,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:51:55,273 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:51:55,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:51:55,274 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:51:55,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:51:55,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:51:55,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:51:55,277 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:51:55,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:51:55,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:51:55,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:51:55,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:51:55,282 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:51:55,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:51:55,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:51:55,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:51:55,284 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:51:55,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:51:55,285 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:51:55,286 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:51:55,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:51:55,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:51:55,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:51:55,288 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:51:55,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:51:55,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:51:55,289 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:51:55,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:51:55,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-18 12:51:55,301 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:51:55,301 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:51:55,302 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:51:55,302 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:51:55,302 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:51:55,302 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:51:55,302 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:51:55,302 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:51:55,302 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:51:55,302 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:51:55,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:51:55,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:51:55,304 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:51:55,304 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:51:55,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:51:55,305 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:51:55,306 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:51:55,306 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:51:55,306 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:51:55,306 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:51:55,306 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:51:55,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:51:55,306 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:51:55,307 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:51:55,307 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:51:55,307 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-18 12:51:55,307 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:51:55,307 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-18 12:51:55,307 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-18 12:51:55,307 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_d617014f-b88c-4746-8f3b-13b715e87b4d/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 -> d29f12e66e15a9c752fce15327a254c30da4b28a [2018-11-18 12:51:55,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:51:55,349 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:51:55,352 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:51:55,353 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:51:55,354 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:51:55,354 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-11-18 12:51:55,397 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/5421a1b33/cf9dceb663974a388eeda5dd0faa2c5b/FLAG59bdadfb1 [2018-11-18 12:51:55,705 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:51:55,705 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/sv-benchmarks/c/float-newlib/float_req_bl_1271b_true-unreach-call.c [2018-11-18 12:51:55,710 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/5421a1b33/cf9dceb663974a388eeda5dd0faa2c5b/FLAG59bdadfb1 [2018-11-18 12:51:55,718 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/data/5421a1b33/cf9dceb663974a388eeda5dd0faa2c5b [2018-11-18 12:51:55,720 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:51:55,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:51:55,722 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:51:55,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:51:55,725 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:51:55,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:55,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c22ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55, skipping insertion in model container [2018-11-18 12:51:55,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:55,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:51:55,753 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:51:55,909 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:51:55,914 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:51:55,958 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:51:55,975 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:51:55,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55 WrapperNode [2018-11-18 12:51:55,976 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:51:55,976 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:51:55,976 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:51:55,976 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:51:55,982 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:55,992 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:55,999 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:51:55,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:51:56,000 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:51:56,000 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:51:56,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,053 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,075 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... [2018-11-18 12:51:56,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:51:56,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:51:56,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:51:56,081 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:51:56,082 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:51:56,116 INFO L130 BoogieDeclarations]: Found specification of procedure isfinite_float [2018-11-18 12:51:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isfinite_float [2018-11-18 12:51:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:51:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:51:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-11-18 12:51:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2018-11-18 12:51:56,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2018-11-18 12:51:56,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:51:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:51:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:51:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-11-18 12:51:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:51:56,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:51:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-11-18 12:51:56,118 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_hypotf [2018-11-18 12:51:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_hypotf [2018-11-18 12:51:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-11-18 12:51:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-18 12:51:56,119 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-11-18 12:51:56,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-11-18 12:51:56,227 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:51:56,538 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-18 12:51:57,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:51:57,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:57 BoogieIcfgContainer [2018-11-18 12:51:57,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:51:57,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:51:57,216 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:51:57,218 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:51:57,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:51:55" (1/3) ... [2018-11-18 12:51:57,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2327da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:51:57, skipping insertion in model container [2018-11-18 12:51:57,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:51:55" (2/3) ... [2018-11-18 12:51:57,219 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b2327da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:51:57, skipping insertion in model container [2018-11-18 12:51:57,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:51:57" (3/3) ... [2018-11-18 12:51:57,221 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271b_true-unreach-call.c [2018-11-18 12:51:57,227 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:51:57,232 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:51:57,241 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:51:57,262 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 12:51:57,262 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:51:57,262 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:51:57,263 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:51:57,263 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:51:57,263 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:51:57,263 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:51:57,263 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:51:57,263 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:51:57,276 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states. [2018-11-18 12:51:57,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-11-18 12:51:57,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:51:57,282 INFO L375 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] [2018-11-18 12:51:57,283 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:51:57,287 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:57,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1543648080, now seen corresponding path program 1 times [2018-11-18 12:51:57,290 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:51:57,290 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:51:57,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:57,365 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:51:57,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:51:57,384 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:51:57,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:51:57,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:51:57,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:51:57,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:51:57,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:51:57,407 INFO L87 Difference]: Start difference. First operand 109 states. Second operand 2 states. [2018-11-18 12:51:57,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:51:57,433 INFO L93 Difference]: Finished difference Result 210 states and 329 transitions. [2018-11-18 12:51:57,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:51:57,434 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 32 [2018-11-18 12:51:57,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:51:57,440 INFO L225 Difference]: With dead ends: 210 [2018-11-18 12:51:57,440 INFO L226 Difference]: Without dead ends: 104 [2018-11-18 12:51:57,443 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:51:57,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-18 12:51:57,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-18 12:51:57,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-18 12:51:57,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 126 transitions. [2018-11-18 12:51:57,477 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 126 transitions. Word has length 32 [2018-11-18 12:51:57,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:51:57,478 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 126 transitions. [2018-11-18 12:51:57,478 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:51:57,478 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2018-11-18 12:51:57,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:51:57,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:51:57,479 INFO L375 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] [2018-11-18 12:51:57,479 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:51:57,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:51:57,480 INFO L82 PathProgramCache]: Analyzing trace with hash 970822700, now seen corresponding path program 1 times [2018-11-18 12:51:57,480 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:51:57,480 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:51:57,483 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:51:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:51:57,571 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:51:59,795 WARN L180 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-11-18 12:52:02,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:52:02,868 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:52:02,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:52:02,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-18 12:52:02,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:52:02,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:52:02,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:52:02,877 INFO L87 Difference]: Start difference. First operand 104 states and 126 transitions. Second operand 13 states. [2018-11-18 12:52:13,516 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-11-18 12:52:40,169 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2018-11-18 12:53:22,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:22,724 INFO L93 Difference]: Finished difference Result 190 states and 234 transitions. [2018-11-18 12:53:22,765 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:53:22,766 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 37 [2018-11-18 12:53:22,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:22,768 INFO L225 Difference]: With dead ends: 190 [2018-11-18 12:53:22,768 INFO L226 Difference]: Without dead ends: 183 [2018-11-18 12:53:22,769 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=69, Invalid=392, Unknown=1, NotChecked=0, Total=462 [2018-11-18 12:53:22,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-18 12:53:22,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 109. [2018-11-18 12:53:22,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-11-18 12:53:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 131 transitions. [2018-11-18 12:53:22,784 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 131 transitions. Word has length 37 [2018-11-18 12:53:22,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:22,784 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 131 transitions. [2018-11-18 12:53:22,784 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:53:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 131 transitions. [2018-11-18 12:53:22,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-18 12:53:22,785 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:22,785 INFO L375 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] [2018-11-18 12:53:22,785 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:22,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:22,786 INFO L82 PathProgramCache]: Analyzing trace with hash -309040978, now seen corresponding path program 1 times [2018-11-18 12:53:22,786 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:53:22,786 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:53:22,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:22,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:23,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:53:23,069 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:53:23,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:23,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:53:23,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:53:23,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:53:23,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:23,078 INFO L87 Difference]: Start difference. First operand 109 states and 131 transitions. Second operand 8 states. [2018-11-18 12:53:57,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:57,788 INFO L93 Difference]: Finished difference Result 220 states and 267 transitions. [2018-11-18 12:53:57,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:53:57,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 37 [2018-11-18 12:53:57,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:57,830 INFO L225 Difference]: With dead ends: 220 [2018-11-18 12:53:57,830 INFO L226 Difference]: Without dead ends: 190 [2018-11-18 12:53:57,830 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:53:57,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-11-18 12:53:57,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 122. [2018-11-18 12:53:57,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 12:53:57,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 146 transitions. [2018-11-18 12:53:57,847 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 146 transitions. Word has length 37 [2018-11-18 12:53:57,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:57,847 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 146 transitions. [2018-11-18 12:53:57,847 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:53:57,847 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 146 transitions. [2018-11-18 12:53:57,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-18 12:53:57,848 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:57,848 INFO L375 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] [2018-11-18 12:53:57,848 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:57,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:57,849 INFO L82 PathProgramCache]: Analyzing trace with hash 1233967365, now seen corresponding path program 1 times [2018-11-18 12:53:57,849 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:53:57,849 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:53:57,852 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:57,908 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:53:58,059 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:53:58,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:58,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:53:58,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:53:58,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:53:58,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:58,072 INFO L87 Difference]: Start difference. First operand 122 states and 146 transitions. Second operand 8 states. [2018-11-18 12:54:32,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:32,822 INFO L93 Difference]: Finished difference Result 225 states and 268 transitions. [2018-11-18 12:54:32,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:54:32,870 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2018-11-18 12:54:32,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:32,871 INFO L225 Difference]: With dead ends: 225 [2018-11-18 12:54:32,871 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 12:54:32,872 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:54:32,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 12:54:32,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2018-11-18 12:54:32,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 12:54:32,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 132 transitions. [2018-11-18 12:54:32,886 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 132 transitions. Word has length 40 [2018-11-18 12:54:32,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:32,886 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 132 transitions. [2018-11-18 12:54:32,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:54:32,886 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 132 transitions. [2018-11-18 12:54:32,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:54:32,887 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:54:32,887 INFO L375 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] [2018-11-18 12:54:32,887 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:54:32,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:32,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1333316845, now seen corresponding path program 1 times [2018-11-18 12:54:32,888 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:54:32,888 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:54:32,894 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:32,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:32,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:54:33,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:54:33,062 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:54:33,075 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:54:33,075 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:54:33,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:54:33,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:54:33,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:54:33,076 INFO L87 Difference]: Start difference. First operand 111 states and 132 transitions. Second operand 8 states. [2018-11-18 12:54:57,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:57,540 INFO L93 Difference]: Finished difference Result 156 states and 184 transitions. [2018-11-18 12:54:57,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:54:57,586 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2018-11-18 12:54:57,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:57,587 INFO L225 Difference]: With dead ends: 156 [2018-11-18 12:54:57,588 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 12:54:57,588 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:54:57,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 12:54:57,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 114. [2018-11-18 12:54:57,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-18 12:54:57,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 136 transitions. [2018-11-18 12:54:57,599 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 136 transitions. Word has length 42 [2018-11-18 12:54:57,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:57,600 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 136 transitions. [2018-11-18 12:54:57,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:54:57,600 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 136 transitions. [2018-11-18 12:54:57,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:54:57,600 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:54:57,600 INFO L375 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] [2018-11-18 12:54:57,601 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:54:57,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:57,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1591482283, now seen corresponding path program 1 times [2018-11-18 12:54:57,601 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:54:57,601 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:54:57,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:57,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:57,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:54:57,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:54:57,957 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:54:57,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:54:57,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-11-18 12:54:57,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:54:57,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:54:57,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-11-18 12:54:57,965 INFO L87 Difference]: Start difference. First operand 114 states and 136 transitions. Second operand 12 states. [2018-11-18 12:55:22,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:55:22,893 INFO L93 Difference]: Finished difference Result 153 states and 178 transitions. [2018-11-18 12:55:22,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 12:55:22,939 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 42 [2018-11-18 12:55:22,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:55:22,940 INFO L225 Difference]: With dead ends: 153 [2018-11-18 12:55:22,940 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 12:55:22,940 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:55:22,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 12:55:22,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 111. [2018-11-18 12:55:22,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-11-18 12:55:22,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 130 transitions. [2018-11-18 12:55:22,952 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 130 transitions. Word has length 42 [2018-11-18 12:55:22,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:55:22,952 INFO L480 AbstractCegarLoop]: Abstraction has 111 states and 130 transitions. [2018-11-18 12:55:22,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:55:22,953 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 130 transitions. [2018-11-18 12:55:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-18 12:55:22,953 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:55:22,953 INFO L375 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] [2018-11-18 12:55:22,953 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:55:22,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:55:22,954 INFO L82 PathProgramCache]: Analyzing trace with hash -2002420435, now seen corresponding path program 1 times [2018-11-18 12:55:22,954 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:55:22,954 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/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 [2018-11-18 12:55:22,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:55:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:23,035 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:55:23,393 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 15 [2018-11-18 12:55:25,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:25,104 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:55:25,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:55:25,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-18 12:55:25,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 12:55:25,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 12:55:25,112 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:55:25,112 INFO L87 Difference]: Start difference. First operand 111 states and 130 transitions. Second operand 13 states. [2018-11-18 12:55:26,672 WARN L180 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 23 [2018-11-18 12:55:28,146 WARN L180 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 29 [2018-11-18 12:55:31,275 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-11-18 12:55:49,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:55:49,506 INFO L93 Difference]: Finished difference Result 166 states and 194 transitions. [2018-11-18 12:55:49,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:55:49,507 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 42 [2018-11-18 12:55:49,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:55:49,508 INFO L225 Difference]: With dead ends: 166 [2018-11-18 12:55:49,509 INFO L226 Difference]: Without dead ends: 156 [2018-11-18 12:55:49,509 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:55:49,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-18 12:55:49,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 108. [2018-11-18 12:55:49,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-18 12:55:49,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 126 transitions. [2018-11-18 12:55:49,527 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 126 transitions. Word has length 42 [2018-11-18 12:55:49,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:55:49,527 INFO L480 AbstractCegarLoop]: Abstraction has 108 states and 126 transitions. [2018-11-18 12:55:49,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 12:55:49,528 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 126 transitions. [2018-11-18 12:55:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 12:55:49,528 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:55:49,529 INFO L375 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] [2018-11-18 12:55:49,529 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:55:49,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:55:49,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1749801007, now seen corresponding path program 1 times [2018-11-18 12:55:49,529 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:55:49,529 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-11-18 12:55:49,533 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:55:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:49,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:55:49,793 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:49,794 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:55:49,801 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:55:49,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:55:49,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:55:49,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:55:49,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:55:49,802 INFO L87 Difference]: Start difference. First operand 108 states and 126 transitions. Second operand 7 states. [2018-11-18 12:55:56,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:55:56,821 INFO L93 Difference]: Finished difference Result 186 states and 221 transitions. [2018-11-18 12:55:56,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:55:56,864 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 45 [2018-11-18 12:55:56,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:55:56,865 INFO L225 Difference]: With dead ends: 186 [2018-11-18 12:55:56,865 INFO L226 Difference]: Without dead ends: 120 [2018-11-18 12:55:56,865 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 38 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:55:56,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-11-18 12:55:56,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 98. [2018-11-18 12:55:56,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-18 12:55:56,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 113 transitions. [2018-11-18 12:55:56,875 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 113 transitions. Word has length 45 [2018-11-18 12:55:56,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:55:56,876 INFO L480 AbstractCegarLoop]: Abstraction has 98 states and 113 transitions. [2018-11-18 12:55:56,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:55:56,876 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 113 transitions. [2018-11-18 12:55:56,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 12:55:56,877 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:55:56,877 INFO L375 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, 1, 1, 1, 1, 1, 1] [2018-11-18 12:55:56,877 INFO L423 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:55:56,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:55:56,877 INFO L82 PathProgramCache]: Analyzing trace with hash 308861868, now seen corresponding path program 1 times [2018-11-18 12:55:56,877 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:55:56,877 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-11-18 12:55:56,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:55:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:55:57,247 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:55:57,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:55:57,643 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:55:57,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:55:57,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:55:57,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:55:57,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:55:57,654 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:55:57,654 INFO L87 Difference]: Start difference. First operand 98 states and 113 transitions. Second operand 9 states. [2018-11-18 12:56:15,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:15,434 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2018-11-18 12:56:15,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:56:15,435 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 54 [2018-11-18 12:56:15,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:15,435 INFO L225 Difference]: With dead ends: 129 [2018-11-18 12:56:15,435 INFO L226 Difference]: Without dead ends: 99 [2018-11-18 12:56:15,436 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 46 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:56:15,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-11-18 12:56:15,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2018-11-18 12:56:15,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 12:56:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 106 transitions. [2018-11-18 12:56:15,446 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 106 transitions. Word has length 54 [2018-11-18 12:56:15,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:15,446 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 106 transitions. [2018-11-18 12:56:15,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:56:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 106 transitions. [2018-11-18 12:56:15,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:56:15,447 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:15,447 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:15,447 INFO L423 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:15,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash -920876648, now seen corresponding path program 1 times [2018-11-18 12:56:15,448 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:56:15,448 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-11-18 12:56:15,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:15,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:15,816 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:15,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:15,826 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:56:15,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:15,836 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:56:15,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:56:15,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:56:15,837 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:56:15,837 INFO L87 Difference]: Start difference. First operand 92 states and 106 transitions. Second operand 4 states. [2018-11-18 12:56:20,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:20,031 INFO L93 Difference]: Finished difference Result 102 states and 115 transitions. [2018-11-18 12:56:20,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:56:20,070 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-11-18 12:56:20,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:20,070 INFO L225 Difference]: With dead ends: 102 [2018-11-18 12:56:20,071 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 12:56:20,071 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:56:20,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 12:56:20,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 12:56:20,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 12:56:20,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 105 transitions. [2018-11-18 12:56:20,082 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 105 transitions. Word has length 59 [2018-11-18 12:56:20,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:20,082 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 105 transitions. [2018-11-18 12:56:20,082 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:56:20,082 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2018-11-18 12:56:20,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:56:20,083 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:20,083 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:20,083 INFO L423 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:20,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:20,083 INFO L82 PathProgramCache]: Analyzing trace with hash 38940339, now seen corresponding path program 1 times [2018-11-18 12:56:20,084 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:56:20,084 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/mathsat Starting monitored process 12 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with mathsat -unsat_core_generation=3 [2018-11-18 12:56:20,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:20,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:20,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:20,664 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:56:20,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:20,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:56:20,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:56:20,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:56:20,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:56:20,681 INFO L87 Difference]: Start difference. First operand 92 states and 105 transitions. Second operand 9 states. [2018-11-18 12:56:31,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:31,752 INFO L93 Difference]: Finished difference Result 133 states and 148 transitions. [2018-11-18 12:56:31,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:56:31,797 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-11-18 12:56:31,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:31,798 INFO L225 Difference]: With dead ends: 133 [2018-11-18 12:56:31,798 INFO L226 Difference]: Without dead ends: 92 [2018-11-18 12:56:31,798 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:56:31,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-11-18 12:56:31,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-11-18 12:56:31,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-11-18 12:56:31,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 104 transitions. [2018-11-18 12:56:31,808 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 104 transitions. Word has length 62 [2018-11-18 12:56:31,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:31,809 INFO L480 AbstractCegarLoop]: Abstraction has 92 states and 104 transitions. [2018-11-18 12:56:31,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:56:31,809 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 104 transitions. [2018-11-18 12:56:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 12:56:31,809 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:31,809 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:31,810 INFO L423 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:31,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:31,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1332866959, now seen corresponding path program 1 times [2018-11-18 12:56:31,810 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:56:31,810 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/mathsat Starting monitored process 13 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with mathsat -unsat_core_generation=3 [2018-11-18 12:56:31,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:32,259 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:32,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:32,599 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:56:32,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:32,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:56:32,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:56:32,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:56:32,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:56:32,612 INFO L87 Difference]: Start difference. First operand 92 states and 104 transitions. Second operand 9 states. [2018-11-18 12:56:42,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:42,021 INFO L93 Difference]: Finished difference Result 106 states and 117 transitions. [2018-11-18 12:56:42,022 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:56:42,022 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2018-11-18 12:56:42,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:42,023 INFO L225 Difference]: With dead ends: 106 [2018-11-18 12:56:42,023 INFO L226 Difference]: Without dead ends: 87 [2018-11-18 12:56:42,023 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:56:42,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-11-18 12:56:42,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-11-18 12:56:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-11-18 12:56:42,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 97 transitions. [2018-11-18 12:56:42,032 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 97 transitions. Word has length 62 [2018-11-18 12:56:42,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:42,033 INFO L480 AbstractCegarLoop]: Abstraction has 87 states and 97 transitions. [2018-11-18 12:56:42,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:56:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 97 transitions. [2018-11-18 12:56:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 12:56:42,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:56:42,034 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:56:42,034 INFO L423 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:56:42,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:56:42,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1162112627, now seen corresponding path program 1 times [2018-11-18 12:56:42,034 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-18 12:56:42,034 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d617014f-b88c-4746-8f3b-13b715e87b4d/bin-2019/utaipan/mathsat Starting monitored process 14 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with mathsat -unsat_core_generation=3 [2018-11-18 12:56:42,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:56:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:56:42,538 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:56:42,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:56:42,959 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-18 12:56:42,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:56:42,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:56:42,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:56:42,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:56:42,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:56:42,972 INFO L87 Difference]: Start difference. First operand 87 states and 97 transitions. Second operand 9 states. [2018-11-18 12:56:51,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:56:51,612 INFO L93 Difference]: Finished difference Result 87 states and 97 transitions. [2018-11-18 12:56:51,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:56:51,652 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2018-11-18 12:56:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:56:51,652 INFO L225 Difference]: With dead ends: 87 [2018-11-18 12:56:51,652 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:56:51,652 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:56:51,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:56:51,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:56:51,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:56:51,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:56:51,653 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-11-18 12:56:51,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:56:51,653 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:56:51,653 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:56:51,653 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:56:51,653 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:56:51,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:56:52,091 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-11-18 12:56:53,057 WARN L180 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2018-11-18 12:56:54,457 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 154 DAG size of output: 72 [2018-11-18 12:56:55,035 WARN L180 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 48 [2018-11-18 12:56:56,059 WARN L180 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 142 DAG size of output: 72 [2018-11-18 12:56:57,452 WARN L180 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 142 DAG size of output: 72 [2018-11-18 12:57:00,456 WARN L180 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2018-11-18 12:57:00,768 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 24 [2018-11-18 12:57:02,643 WARN L180 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 119 DAG size of output: 69 [2018-11-18 12:57:02,665 INFO L425 ceAbstractionStarter]: For program point isnan_floatFINAL(line 211) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L428 ceAbstractionStarter]: At program point isnan_floatENTRY(line 211) the Hoare annotation is: true [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point isnan_floatEXIT(line 211) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point L216-1(lines 216 220) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L421 ceAbstractionStarter]: At program point L216-3(lines 216 220) the Hoare annotation is: (= isfinite_float_~x |isfinite_float_#in~x|) [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point L216-4(lines 216 220) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point isfinite_floatFINAL(lines 214 223) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L428 ceAbstractionStarter]: At program point isfinite_floatENTRY(lines 214 223) the Hoare annotation is: true [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point isfinite_floatEXIT(lines 214 223) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:57:02,666 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 12:57:02,667 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:57:02,667 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 225 245) the Hoare annotation is: true [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 225 245) no Hoare annotation was computed. [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 239) no Hoare annotation was computed. [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point L239(line 239) no Hoare annotation was computed. [2018-11-18 12:57:02,667 INFO L421 ceAbstractionStarter]: At program point L238(line 238) the Hoare annotation is: (and (exists ((__ieee754_hypotf_~b~0 (_ FloatingPoint 8 24)) (v___ieee754_hypotf_~hb~0_25 (_ BitVec 32))) (and (= main_~res~0 (fp.add roundNearestTiesToEven (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_25))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) __ieee754_hypotf_~b~0)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_25) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_25) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_25)) (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))))) (= main_~y~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point L238-1(lines 238 241) no Hoare annotation was computed. [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 225 245) no Hoare annotation was computed. [2018-11-18 12:57:02,667 INFO L421 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (and (exists ((v_isfinite_float_~ix~1_5 (_ BitVec 32))) (and (= main_~x~0 (fp ((_ extract 31 31) v_isfinite_float_~ix~1_5) ((_ extract 30 23) v_isfinite_float_~ix~1_5) ((_ extract 22 0) v_isfinite_float_~ix~1_5))) (bvslt (bvand (_ bv2147483647 32) v_isfinite_float_~ix~1_5) (_ bv2139095040 32)))) (= main_~y~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) [2018-11-18 12:57:02,667 INFO L421 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: (= main_~y~0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24))) [2018-11-18 12:57:02,667 INFO L425 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L235-1(lines 235 242) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L235-3(lines 235 242) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L421 ceAbstractionStarter]: At program point L85-3(lines 85 89) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)) [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L85-4(lines 85 89) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L185-1(lines 185 189) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L421 ceAbstractionStarter]: At program point L185-3(lines 185 189) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34)))) (let ((.cse0 (and .cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32)))))) (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))))))) (and .cse2 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))))) [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L185-4(lines 185 189) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfFINAL(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point __ieee754_hypotfEXIT(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,668 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 144) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 129) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 143) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L139-2(lines 121 144) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L107-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 125) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L91-1(lines 91 95) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L124-2(lines 122 129) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L421 ceAbstractionStarter]: At program point L91-3(lines 91 95) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~ha~0_25 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~x| (fp ((_ extract 31 31) v___ieee754_hypotf_~ha~0_25) ((_ extract 30 23) v___ieee754_hypotf_~ha~0_25) ((_ extract 22 0) v___ieee754_hypotf_~ha~0_25))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_25))))) [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L91-4(lines 91 95) no Hoare annotation was computed. [2018-11-18 12:57:02,669 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 191 195) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L421 ceAbstractionStarter]: At program point L191-3(lines 191 195) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34)))) (let ((.cse0 (and .cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32)))))) (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))))))) (and .cse2 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))))) [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L191-4(lines 191 195) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 198) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L175-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 126 127) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L176-1(lines 176 180) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L421 ceAbstractionStarter]: At program point L176-3(lines 176 180) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) .cse1) (and .cse1 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32)))))))) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_40 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_40) v___ieee754_hypotf_~ha~0_32)) (bvslt v___ieee754_hypotf_~ha~0_32 (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_40) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_40) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_40)) |__ieee754_hypotf_#in~y|)))))) [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L176-4(lines 176 180) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L421 ceAbstractionStarter]: At program point L161-3(lines 161 165) the Hoare annotation is: (and (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))) [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L145(lines 145 172) no Hoare annotation was computed. [2018-11-18 12:57:02,670 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 116) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L425 ceAbstractionStarter]: For program point L112-2(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L425 ceAbstractionStarter]: For program point L112-3(lines 81 208) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L428 ceAbstractionStarter]: At program point __ieee754_hypotfENTRY(lines 81 208) the Hoare annotation is: true [2018-11-18 12:57:02,671 INFO L425 ceAbstractionStarter]: For program point L146(lines 146 171) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 106) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L421 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse2 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34)))) (let ((.cse0 (and .cse2 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse1 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse1 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse1 (_ bv1484783616 32)))))) (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse0 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))))))) (and .cse2 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32)))))))) [2018-11-18 12:57:02,671 INFO L425 ceAbstractionStarter]: For program point L197-1(line 197) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 171) no Hoare annotation was computed. [2018-11-18 12:57:02,671 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32))) .cse1) (and .cse1 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32)))))))) (exists ((v___ieee754_hypotf_~ha~0_32 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_40 (_ BitVec 32))) (and (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_40) v___ieee754_hypotf_~ha~0_32)) (bvslt v___ieee754_hypotf_~ha~0_32 (_ bv2139095040 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_40) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_40) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_40)) |__ieee754_hypotf_#in~y|)))))) [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L182-1(line 182) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L149-1(lines 149 153) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L421 ceAbstractionStarter]: At program point L149-3(lines 149 153) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y)) (.cse1 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28) (_ bv1484783616 32))))))) (or (and .cse0 .cse1 (exists ((v___ieee754_hypotf_~hb~0_28 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_28) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_28) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_28)) |__ieee754_hypotf_#in~y|) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_28))))) (and (exists ((v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) __ieee754_hypotf_~ha~0)) .cse0 .cse1 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32))) (and (= (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27) __ieee754_hypotf_~hb~0) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))))) [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L149-4(lines 149 153) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L166(lines 166 170) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L166-2(lines 157 171) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L200-1(lines 200 204) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L134-1(lines 134 138) no Hoare annotation was computed. [2018-11-18 12:57:02,672 INFO L421 ceAbstractionStarter]: At program point L200-3(lines 200 204) the Hoare annotation is: (let ((.cse0 (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y))) (or (and .cse0 (exists ((v___ieee754_hypotf_~hb~0_27 (_ BitVec 32)) (v___ieee754_hypotf_~ha~0_24 (_ BitVec 32))) (and (bvsgt (bvadd (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_24) (bvneg (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_27))) (_ bv251658240 32)) (= (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_27) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_27) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_27)) |__ieee754_hypotf_#in~y|)))) (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (let ((.cse1 (and .cse0 (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x)))) (or (and (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= __ieee754_hypotf_~hb~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) .cse1 (not (bvsgt (bvadd (bvneg __ieee754_hypotf_~hb~0) __ieee754_hypotf_~ha~0) (_ bv251658240 32)))) (and .cse1 (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse2 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse2 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse2 (_ bv1484783616 32)))))))) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34))))))) [2018-11-18 12:57:02,672 INFO L425 ceAbstractionStarter]: For program point L200-4(lines 200 204) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L421 ceAbstractionStarter]: At program point L134-3(lines 134 138) the Hoare annotation is: (and (= (_ bv68 32) __ieee754_hypotf_~k~0) (= |__ieee754_hypotf_#in~y| __ieee754_hypotf_~y) (= |__ieee754_hypotf_#in~x| __ieee754_hypotf_~x) (exists ((v___ieee754_hypotf_~hb~0_32 (_ BitVec 32))) (= __ieee754_hypotf_~ha~0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_32))) (exists ((v___ieee754_hypotf_~hb~0_34 (_ BitVec 32))) (= (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)) (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_34))) (exists ((v___ieee754_hypotf_~ha~0_34 (_ BitVec 32)) (v___ieee754_hypotf_~hb~0_41 (_ BitVec 32))) (and (= |__ieee754_hypotf_#in~y| (fp ((_ extract 31 31) v___ieee754_hypotf_~hb~0_41) ((_ extract 30 23) v___ieee754_hypotf_~hb~0_41) ((_ extract 22 0) v___ieee754_hypotf_~hb~0_41))) (bvslt v___ieee754_hypotf_~ha~0_34 (_ bv2139095040 32)) (not (bvsgt (bvand (_ bv2147483647 32) v___ieee754_hypotf_~hb~0_41) v___ieee754_hypotf_~ha~0_34)))) (exists ((v___ieee754_hypotf_~ha~0_27 (_ BitVec 32))) (let ((.cse0 (bvand (_ bv2147483647 32) v___ieee754_hypotf_~ha~0_27))) (and (not (bvsgt (bvadd .cse0 (bvneg (bvadd __ieee754_hypotf_~hb~0 (_ bv570425344 32)))) (_ bv251658240 32))) (bvsgt .cse0 (_ bv1484783616 32)))))) [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L35-2(lines 35 39) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L52(lines 52 56) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L19-1(lines 19 23) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L52-2(lines 52 56) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L428 ceAbstractionStarter]: At program point L19-3(lines 19 23) the Hoare annotation is: true [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L19-4(lines 19 23) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L73-1(lines 73 77) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L428 ceAbstractionStarter]: At program point L73-3(lines 73 77) the Hoare annotation is: true [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L73-4(lines 73 77) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 37) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L36-3(lines 36 37) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 68) no Hoare annotation was computed. [2018-11-18 12:57:02,673 INFO L428 ceAbstractionStarter]: At program point L36-4(lines 36 37) the Hoare annotation is: true [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L36-5(lines 36 37) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L428 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 14 79) the Hoare annotation is: true [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 14 79) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L29(lines 29 30) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 14 79) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L50-1(lines 50 59) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L428 ceAbstractionStarter]: At program point L50-3(lines 50 59) the Hoare annotation is: true [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L50-4(lines 14 79) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L42-2(lines 42 43) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L26(lines 26 27) no Hoare annotation was computed. [2018-11-18 12:57:02,674 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 39) no Hoare annotation was computed. [2018-11-18 12:57:02,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,685 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,686 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_24,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,689 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_24,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,690 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,691 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,691 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,692 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:446) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:135) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:373) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:108) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:92) at de.uni_freiburg.informatik.ultimate.core.lib.results.InvariantResult.getLongDescription(InvariantResult.java:65) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:537) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createInvariantResults(TraceAbstractionStarter.java:237) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:194) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-11-18 12:57:02,694 INFO L168 Benchmark]: Toolchain (without parser) took 306973.63 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 237.5 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -161.5 MB). Peak memory consumption was 351.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:02,695 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:57:02,695 INFO L168 Benchmark]: CACSL2BoogieTranslator took 253.94 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:02,696 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.02 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:57:02,696 INFO L168 Benchmark]: Boogie Preprocessor took 81.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:02,696 INFO L168 Benchmark]: RCFGBuilder took 1134.68 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:02,697 INFO L168 Benchmark]: TraceAbstraction took 305477.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.6 MB). Peak memory consumption was 342.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:57:02,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 253.94 ms. Allocated memory is still 1.0 GB. Free memory was 949.7 MB in the beginning and 928.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.02 ms. Allocated memory is still 1.0 GB. Free memory is still 928.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 81.18 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 928.3 MB in the beginning and 1.1 GB in the end (delta: -205.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1134.68 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: 46.5 MB). Peak memory consumption was 46.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 305477.74 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -24.6 MB). Peak memory consumption was 342.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_24,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 239]: 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: 85]: Loop Invariant Derived loop invariant: \old(y) == y && \old(x) == x - InvariantResult [Line: 149]: Loop Invariant [2018-11-18 12:57:02,704 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,704 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,704 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,704 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,704 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,704 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_24,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,705 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,706 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,706 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,706 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,706 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,706 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,706 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~ha~0_24,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,707 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_28,QUANTIFIED] [2018-11-18 12:57:02,708 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,708 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,708 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] [2018-11-18 12:57:02,708 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v___ieee754_hypotf_~hb~0_27,QUANTIFIED] Derived loop invariant: ((\old(y) == y && (\exists v___ieee754_hypotf_~hb~0_28 : bv32 :: ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_28[31:31], v___ieee754_hypotf_~hb~0_28[30:23], v___ieee754_hypotf_~hb~0_28[22:0]) == \old(y) && !~bvsgt32(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_28), 1484783616bv32))) && (\exists v___ieee754_hypotf_~hb~0_28 : bv32 :: ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_28[31:31], v___ieee754_hypotf_~hb~0_28[30:23], v___ieee754_hypotf_~hb~0_28[22:0]) == \old(y) && ha == ~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_28))) || ((((\exists v___ieee754_hypotf_~ha~0_24 : bv32 :: ~bvand32(2147483647bv32, v___ieee754_hypotf_~ha~0_24) == ha) && \old(y) == y) && (\exists v___ieee754_hypotf_~hb~0_28 : bv32 :: ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_28[31:31], v___ieee754_hypotf_~hb~0_28[30:23], v___ieee754_hypotf_~hb~0_28[22:0]) == \old(y) && !~bvsgt32(~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_28), 1484783616bv32))) && (\exists v___ieee754_hypotf_~hb~0_27 : bv32 :: ~bvand32(2147483647bv32, v___ieee754_hypotf_~hb~0_27) == hb && ~fp~LONGDOUBLE(v___ieee754_hypotf_~hb~0_27[31:31], v___ieee754_hypotf_~hb~0_27[30:23], v___ieee754_hypotf_~hb~0_27[22:0]) == \old(y))) - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - ExceptionOrErrorResult: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: translation of (bvneg (_ BitVec 32) (_ BitVec 32)) not yet implemented, please contact Matthias: de.uni_freiburg.informatik.ultimate.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:209) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...