./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:58:18,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:58:18,062 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:58:18,071 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:58:18,072 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:58:18,072 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:58:18,074 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:58:18,075 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:58:18,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:58:18,078 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:58:18,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:58:18,079 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:58:18,079 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:58:18,081 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:58:18,082 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:58:18,082 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:58:18,083 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:58:18,084 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:58:18,086 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:58:18,087 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:58:18,088 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:58:18,089 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:58:18,091 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:58:18,091 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:58:18,092 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:58:18,092 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:58:18,097 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:58:18,098 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:58:18,098 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:58:18,099 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:58:18,099 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:58:18,100 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:58:18,100 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:58:18,100 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:58:18,104 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:58:18,105 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:58:18,105 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:58:18,119 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:58:18,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:58:18,120 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:58:18,120 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:58:18,121 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:58:18,121 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:58:18,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:58:18,121 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:58:18,121 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:58:18,121 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:58:18,121 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:58:18,122 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:58:18,122 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:58:18,122 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:58:18,122 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:58:18,123 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:58:18,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:58:18,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:58:18,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:58:18,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:58:18,124 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:58:18,124 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:58:18,124 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:58:18,126 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:58:18,126 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:58:18,126 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:58:18,126 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:58:18,126 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:58:18,126 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_00ded251-2263-4721-b2f3-7676e257969b/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 -> 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 [2018-10-26 19:58:18,162 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:58:18,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:58:18,176 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:58:18,177 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:58:18,178 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:58:18,178 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-10-26 19:58:18,230 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/33c50b833/69b8f26d0ac846dcb74c0e2175f2a2d5/FLAGa4cc694f0 [2018-10-26 19:58:18,590 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:58:18,590 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-10-26 19:58:18,598 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/33c50b833/69b8f26d0ac846dcb74c0e2175f2a2d5/FLAGa4cc694f0 [2018-10-26 19:58:18,615 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/33c50b833/69b8f26d0ac846dcb74c0e2175f2a2d5 [2018-10-26 19:58:18,618 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:58:18,620 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:58:18,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:18,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:58:18,624 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:58:18,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,627 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c875d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18, skipping insertion in model container [2018-10-26 19:58:18,627 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:58:18,650 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:58:18,790 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:18,805 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:58:18,834 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:18,851 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:58:18,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18 WrapperNode [2018-10-26 19:58:18,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:18,852 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:18,852 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:58:18,852 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:58:18,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:18,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:58:18,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:58:18,912 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:58:18,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,939 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,949 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:18,971 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:19,104 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:19,106 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... [2018-10-26 19:58:19,110 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:58:19,110 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:58:19,111 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:58:19,111 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:58:19,111 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:58:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:58:19,173 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-10-26 19:58:19,173 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-10-26 19:58:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:58:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:58:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 19:58:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 19:58:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:58:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:58:19,174 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-26 19:58:19,174 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-26 19:58:19,956 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:58:19,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:19 BoogieIcfgContainer [2018-10-26 19:58:19,957 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:58:19,957 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:58:19,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:58:19,960 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:58:19,960 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:58:18" (1/3) ... [2018-10-26 19:58:19,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e8f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:58:19, skipping insertion in model container [2018-10-26 19:58:19,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:18" (2/3) ... [2018-10-26 19:58:19,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@344e8f1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:58:19, skipping insertion in model container [2018-10-26 19:58:19,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:19" (3/3) ... [2018-10-26 19:58:19,964 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a_true-unreach-call.c [2018-10-26 19:58:19,973 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:58:19,980 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:58:19,993 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:58:20,020 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:58:20,020 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:58:20,020 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:58:20,020 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:58:20,020 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:58:20,021 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:58:20,021 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:58:20,021 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:58:20,037 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-26 19:58:20,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:58:20,042 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:20,043 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] [2018-10-26 19:58:20,046 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:20,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:20,051 INFO L82 PathProgramCache]: Analyzing trace with hash -817183572, now seen corresponding path program 1 times [2018-10-26 19:58:20,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:20,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:20,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:20,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:20,091 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:20,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:20,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:20,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:58:20,178 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:20,183 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:58:20,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:58:20,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:58:20,197 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-10-26 19:58:20,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:20,221 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-10-26 19:58:20,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:58:20,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 19:58:20,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:20,232 INFO L225 Difference]: With dead ends: 110 [2018-10-26 19:58:20,232 INFO L226 Difference]: Without dead ends: 55 [2018-10-26 19:58:20,235 INFO L605 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 [2018-10-26 19:58:20,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-26 19:58:20,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-26 19:58:20,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-26 19:58:20,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-10-26 19:58:20,276 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-10-26 19:58:20,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:20,277 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-10-26 19:58:20,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:58:20,277 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-10-26 19:58:20,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 19:58:20,278 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:20,278 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] [2018-10-26 19:58:20,279 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:20,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:20,279 INFO L82 PathProgramCache]: Analyzing trace with hash 1306683301, now seen corresponding path program 1 times [2018-10-26 19:58:20,280 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:20,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:20,281 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:20,281 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:20,281 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:20,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:20,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:58:20,473 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:58:20,474 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:58:20,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:58:20,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:20,475 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 3 states. [2018-10-26 19:58:20,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:20,543 INFO L93 Difference]: Finished difference Result 58 states and 61 transitions. [2018-10-26 19:58:20,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:58:20,544 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 30 [2018-10-26 19:58:20,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:20,546 INFO L225 Difference]: With dead ends: 58 [2018-10-26 19:58:20,546 INFO L226 Difference]: Without dead ends: 55 [2018-10-26 19:58:20,547 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:20,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-26 19:58:20,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-26 19:58:20,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-26 19:58:20,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 58 transitions. [2018-10-26 19:58:20,554 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 58 transitions. Word has length 30 [2018-10-26 19:58:20,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:20,554 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 58 transitions. [2018-10-26 19:58:20,554 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:58:20,554 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 58 transitions. [2018-10-26 19:58:20,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 19:58:20,555 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:20,555 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] [2018-10-26 19:58:20,555 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:20,556 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:20,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1581799420, now seen corresponding path program 1 times [2018-10-26 19:58:20,556 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:58:20,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:20,558 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:20,558 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:58:20,559 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:58:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:58:20,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 19:58:20,704 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 19:58:20,720 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,721 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,722 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,722 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,722 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,723 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,723 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,723 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,723 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,723 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,724 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,724 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,724 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,724 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,725 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,725 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,725 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,725 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,726 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,727 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,728 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,729 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,730 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,730 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,730 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,730 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,731 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,731 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,731 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,732 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,732 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,732 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,732 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,733 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,734 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 19:58:20,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,735 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,736 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,737 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,738 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,739 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,739 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 19:58:20,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:58:20 BoogieIcfgContainer [2018-10-26 19:58:20,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:58:20,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:58:20,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:58:20,758 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:58:20,759 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:19" (3/4) ... [2018-10-26 19:58:20,762 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 19:58:20,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:58:20,763 INFO L168 Benchmark]: Toolchain (without parser) took 2144.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 960.7 MB in the beginning and 1.1 GB in the end (delta: -100.3 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:20,765 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:58:20,765 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 947.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:20,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.48 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:20,767 INFO L168 Benchmark]: Boogie Preprocessor took 198.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.6 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:20,768 INFO L168 Benchmark]: RCFGBuilder took 846.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:20,768 INFO L168 Benchmark]: TraceAbstraction took 800.22 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:20,769 INFO L168 Benchmark]: Witness Printer took 4.47 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. [2018-10-26 19:58:20,773 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 230.88 ms. Allocated memory is still 1.0 GB. Free memory was 960.7 MB in the beginning and 947.3 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.48 ms. Allocated memory is still 1.0 GB. Free memory was 947.3 MB in the beginning and 944.6 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 198.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 944.6 MB in the beginning and 1.2 GB in the end (delta: -209.7 MB). Peak memory consumption was 20.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 846.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 42.3 MB). Peak memory consumption was 42.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 800.22 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: 51.0 MB). Peak memory consumption was 51.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.47 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 110]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someBinaryArithmeticFLOAToperation at line 104, overapproximation of bitwiseAnd at line 93. Possible FailurePath: [L12] static const float one_modf = 1.0; VAL [\old(one_modf)=6442450952, one_modf=1] [L104] float x = 1.0f / 0.0f; [L105] CALL float iptr = __VERIFIER_nondet_float(); [L105] RET float iptr = __VERIFIER_nondet_float(); [L105] RET float iptr = __VERIFIER_nondet_float(); [L106] CALL, EXPR modf_float(x, &iptr) VAL [one_modf=1] [L15] __int32_t i0, j0; [L16] __uint32_t i; VAL [one_modf=1] [L18] CALL ieee_float_shape_type gf_u; [L18] RET ieee_float_shape_type gf_u; [L19] CALL gf_u.value = (x) [L19] RET gf_u.value = (x) [L20] CALL, EXPR gf_u.word [L20] RET, EXPR gf_u.word [L20] (i0) = gf_u.word [L20] RET (i0) = gf_u.word [L21] COND FALSE !(0) VAL [one_modf=1] [L22] j0 = ((i0 >> 23) & 0xff) - 0x7f VAL [one_modf=1] [L23] COND TRUE j0 < 23 VAL [one_modf=1] [L24] COND TRUE j0 < 0 VAL [one_modf=1] [L26] CALL ieee_float_shape_type sf_u; [L26] RET ieee_float_shape_type sf_u; [L27] CALL sf_u.word = (i0 & 0x80000000) [L27] RET sf_u.word = (i0 & 0x80000000) [L28] CALL, EXPR sf_u.value [L28] RET, EXPR sf_u.value [L28] CALL (*iptr) = sf_u.value [L28] RET (*iptr) = sf_u.value [L29] COND FALSE !(0) VAL [one_modf=1] [L30] RET return x; VAL [one_modf=1] [L106] EXPR modf_float(x, &iptr) VAL [one_modf=1] [L106] float res = modf_float(x, &iptr); [L109] CALL, EXPR \read(iptr) [L109] RET, EXPR \read(iptr) [L109] CALL, EXPR isinf_float(iptr) VAL [one_modf=1] [L87] __int32_t ix; VAL [one_modf=1] [L89] CALL ieee_float_shape_type gf_u; [L89] RET ieee_float_shape_type gf_u; [L90] CALL gf_u.value = (x) [L90] RET gf_u.value = (x) [L91] CALL, EXPR gf_u.word [L91] RET, EXPR gf_u.word [L91] (ix) = gf_u.word [L91] RET (ix) = gf_u.word [L92] COND FALSE !(0) VAL [one_modf=1] [L93] ix &= 0x7fffffff [L94] RET return ((ix) == 0x7f800000L); VAL [one_modf=1] [L109] EXPR isinf_float(iptr) VAL [one_modf=1] [L109] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L109] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [one_modf=1] [L109] isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) VAL [one_modf=1] [L109] COND TRUE isinf_float(iptr) && !(res == 0.0f && __signbit_float(res) == 0) [L110] __VERIFIER_error() VAL [one_modf=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. UNSAFE Result, 0.7s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 122 SDtfs, 0 SDslu, 54 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 1546 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 0.1.23-1dbac8b [2018-10-26 19:58:22,730 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:58:22,732 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:58:22,743 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:58:22,743 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:58:22,744 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:58:22,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:58:22,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:58:22,748 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:58:22,748 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:58:22,749 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:58:22,749 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:58:22,750 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:58:22,751 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:58:22,752 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:58:22,752 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:58:22,753 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:58:22,754 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:58:22,756 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:58:22,757 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:58:22,758 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:58:22,759 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:58:22,760 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:58:22,760 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:58:22,761 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:58:22,761 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:58:22,762 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:58:22,763 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:58:22,763 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:58:22,764 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:58:22,764 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:58:22,765 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:58:22,765 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:58:22,765 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:58:22,766 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:58:22,766 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:58:22,767 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 19:58:22,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:58:22,785 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:58:22,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:58:22,786 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:58:22,786 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:58:22,786 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:58:22,786 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:58:22,786 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:58:22,787 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:58:22,787 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:58:22,787 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:58:22,787 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:58:22,787 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:58:22,787 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:58:22,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:58:22,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:58:22,789 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:58:22,789 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:58:22,789 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:58:22,789 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:58:22,789 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:58:22,789 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:58:22,789 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 19:58:22,790 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:58:22,790 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 19:58:22,790 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 19:58:22,790 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_00ded251-2263-4721-b2f3-7676e257969b/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 -> 0186804fc9e8cef09b3a1cefd7c260de08abc9c3 [2018-10-26 19:58:22,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:58:22,838 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:58:22,841 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:58:22,842 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:58:22,842 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:58:22,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-10-26 19:58:22,891 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/5e0900a96/402b020fd91c4ad5b1d5a42369da3729/FLAG86acac855 [2018-10-26 19:58:23,347 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:58:23,348 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/sv-benchmarks/c/float-newlib/float_req_bl_1211a_true-unreach-call.c [2018-10-26 19:58:23,355 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/5e0900a96/402b020fd91c4ad5b1d5a42369da3729/FLAG86acac855 [2018-10-26 19:58:23,368 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/data/5e0900a96/402b020fd91c4ad5b1d5a42369da3729 [2018-10-26 19:58:23,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:58:23,373 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:58:23,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:23,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:58:23,379 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:58:23,380 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,382 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770feb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23, skipping insertion in model container [2018-10-26 19:58:23,383 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,397 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:58:23,420 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:58:23,628 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:23,641 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:58:23,672 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:58:23,688 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:58:23,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23 WrapperNode [2018-10-26 19:58:23,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:58:23,690 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:23,690 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:58:23,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:58:23,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,751 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:58:23,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:58:23,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:58:23,752 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:58:23,770 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,779 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,780 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,815 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... [2018-10-26 19:58:23,824 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:58:23,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:58:23,825 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:58:23,825 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:58:23,826 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:58:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:58:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure modf_float [2018-10-26 19:58:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure modf_float [2018-10-26 19:58:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:58:23,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:58:23,962 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-10-26 19:58:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-10-26 19:58:23,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:58:23,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:58:23,964 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-10-26 19:58:23,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-10-26 19:58:24,261 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,379 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,488 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,516 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,550 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,641 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,661 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,721 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,742 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,810 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 19:58:24,832 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:58:24,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:24 BoogieIcfgContainer [2018-10-26 19:58:24,833 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:58:24,834 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:58:24,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:58:24,837 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:58:24,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:58:23" (1/3) ... [2018-10-26 19:58:24,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28388340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:58:24, skipping insertion in model container [2018-10-26 19:58:24,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:58:23" (2/3) ... [2018-10-26 19:58:24,839 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28388340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:58:24, skipping insertion in model container [2018-10-26 19:58:24,839 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:24" (3/3) ... [2018-10-26 19:58:24,840 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_1211a_true-unreach-call.c [2018-10-26 19:58:24,848 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:58:24,854 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:58:24,863 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:58:24,885 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 19:58:24,885 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:58:24,885 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:58:24,886 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:58:24,886 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:58:24,886 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:58:24,886 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:58:24,886 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:58:24,886 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:58:24,900 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states. [2018-10-26 19:58:24,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:58:24,906 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:24,907 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] [2018-10-26 19:58:24,909 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:24,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:24,914 INFO L82 PathProgramCache]: Analyzing trace with hash -817183572, now seen corresponding path program 1 times [2018-10-26 19:58:24,919 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:58:24,919 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:24,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:25,060 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:25,079 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:58:25,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:25,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 19:58:25,102 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 19:58:25,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 19:58:25,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:58:25,119 INFO L87 Difference]: Start difference. First operand 59 states. Second operand 2 states. [2018-10-26 19:58:25,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:25,147 INFO L93 Difference]: Finished difference Result 110 states and 158 transitions. [2018-10-26 19:58:25,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 19:58:25,148 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 27 [2018-10-26 19:58:25,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:25,158 INFO L225 Difference]: With dead ends: 110 [2018-10-26 19:58:25,158 INFO L226 Difference]: Without dead ends: 55 [2018-10-26 19:58:25,162 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 19:58:25,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-10-26 19:58:25,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-10-26 19:58:25,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-10-26 19:58:25,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 59 transitions. [2018-10-26 19:58:25,201 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 59 transitions. Word has length 27 [2018-10-26 19:58:25,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:25,201 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 59 transitions. [2018-10-26 19:58:25,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 19:58:25,202 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 59 transitions. [2018-10-26 19:58:25,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 19:58:25,203 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:25,203 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] [2018-10-26 19:58:25,204 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:25,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:25,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1306683301, now seen corresponding path program 1 times [2018-10-26 19:58:25,206 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:58:25,206 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:25,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:25,328 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:25,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:25,870 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:58:25,882 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:25,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 19:58:25,884 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 19:58:25,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 19:58:25,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 19:58:25,885 INFO L87 Difference]: Start difference. First operand 55 states and 59 transitions. Second operand 7 states. [2018-10-26 19:58:26,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:26,720 INFO L93 Difference]: Finished difference Result 82 states and 87 transitions. [2018-10-26 19:58:26,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 19:58:26,723 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 30 [2018-10-26 19:58:26,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:26,724 INFO L225 Difference]: With dead ends: 82 [2018-10-26 19:58:26,725 INFO L226 Difference]: Without dead ends: 42 [2018-10-26 19:58:26,726 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2018-10-26 19:58:26,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-10-26 19:58:26,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-10-26 19:58:26,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-26 19:58:26,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2018-10-26 19:58:26,733 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 30 [2018-10-26 19:58:26,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:26,734 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2018-10-26 19:58:26,734 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 19:58:26,735 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2018-10-26 19:58:26,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 19:58:26,735 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:26,735 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] [2018-10-26 19:58:26,736 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:26,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:26,736 INFO L82 PathProgramCache]: Analyzing trace with hash 758791120, now seen corresponding path program 1 times [2018-10-26 19:58:26,737 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:58:26,737 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:26,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:26,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:26,940 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:27,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:27,012 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:58:27,029 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:27,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 19:58:27,030 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 19:58:27,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 19:58:27,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:27,030 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 3 states. [2018-10-26 19:58:27,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:27,068 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-10-26 19:58:27,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 19:58:27,069 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2018-10-26 19:58:27,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:27,070 INFO L225 Difference]: With dead ends: 45 [2018-10-26 19:58:27,070 INFO L226 Difference]: Without dead ends: 42 [2018-10-26 19:58:27,071 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 19:58:27,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-10-26 19:58:27,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-10-26 19:58:27,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-26 19:58:27,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-10-26 19:58:27,076 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 31 [2018-10-26 19:58:27,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:27,076 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-10-26 19:58:27,076 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 19:58:27,077 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-10-26 19:58:27,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-10-26 19:58:27,078 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:27,078 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] [2018-10-26 19:58:27,079 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:27,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:27,080 INFO L82 PathProgramCache]: Analyzing trace with hash -956576409, now seen corresponding path program 1 times [2018-10-26 19:58:27,080 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:58:27,080 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:27,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:27,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:27,227 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:27,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:27,482 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:58:27,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:27,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 19:58:27,496 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 19:58:27,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 19:58:27,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:58:27,497 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 10 states. [2018-10-26 19:58:28,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:28,060 INFO L93 Difference]: Finished difference Result 46 states and 45 transitions. [2018-10-26 19:58:28,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-10-26 19:58:28,060 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 33 [2018-10-26 19:58:28,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:28,061 INFO L225 Difference]: With dead ends: 46 [2018-10-26 19:58:28,061 INFO L226 Difference]: Without dead ends: 42 [2018-10-26 19:58:28,062 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2018-10-26 19:58:28,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-10-26 19:58:28,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-10-26 19:58:28,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-10-26 19:58:28,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 41 transitions. [2018-10-26 19:58:28,067 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 41 transitions. Word has length 33 [2018-10-26 19:58:28,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:28,068 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 41 transitions. [2018-10-26 19:58:28,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 19:58:28,069 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 41 transitions. [2018-10-26 19:58:28,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-10-26 19:58:28,070 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:58:28,070 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] [2018-10-26 19:58:28,070 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:58:28,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:58:28,071 INFO L82 PathProgramCache]: Analyzing trace with hash -70979886, now seen corresponding path program 1 times [2018-10-26 19:58:28,071 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 19:58:28,071 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/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 [2018-10-26 19:58:28,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:58:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:58:28,254 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 19:58:28,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:58:28,853 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 19:58:28,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:58:28,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2018-10-26 19:58:28,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-10-26 19:58:28,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-10-26 19:58:28,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-10-26 19:58:28,864 INFO L87 Difference]: Start difference. First operand 42 states and 41 transitions. Second operand 15 states. [2018-10-26 19:58:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:58:29,967 INFO L93 Difference]: Finished difference Result 42 states and 41 transitions. [2018-10-26 19:58:29,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-10-26 19:58:29,967 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 41 [2018-10-26 19:58:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:58:29,968 INFO L225 Difference]: With dead ends: 42 [2018-10-26 19:58:29,968 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:58:29,969 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=83, Invalid=517, Unknown=0, NotChecked=0, Total=600 [2018-10-26 19:58:29,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:58:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:58:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:58:29,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:58:29,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 41 [2018-10-26 19:58:29,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:58:29,970 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:58:29,970 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-10-26 19:58:29,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:58:29,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:58:29,976 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:58:30,250 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:58:30,250 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:58:30,250 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:58:30,250 INFO L425 ceAbstractionStarter]: For program point L88-1(lines 88 92) no Hoare annotation was computed. [2018-10-26 19:58:30,251 INFO L428 ceAbstractionStarter]: At program point L88-3(lines 88 92) the Hoare annotation is: true [2018-10-26 19:58:30,251 INFO L425 ceAbstractionStarter]: For program point L88-4(lines 88 92) no Hoare annotation was computed. [2018-10-26 19:58:30,251 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 86 95) the Hoare annotation is: true [2018-10-26 19:58:30,251 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 86 95) no Hoare annotation was computed. [2018-10-26 19:58:30,251 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 86 95) no Hoare annotation was computed. [2018-10-26 19:58:30,251 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:58:30,251 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 19:58:30,251 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:58:30,252 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:58:30,252 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 97 115) no Hoare annotation was computed. [2018-10-26 19:58:30,252 INFO L425 ceAbstractionStarter]: For program point L110(line 110) no Hoare annotation was computed. [2018-10-26 19:58:30,252 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 97 115) no Hoare annotation was computed. [2018-10-26 19:58:30,252 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-10-26 19:58:30,252 INFO L425 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-10-26 19:58:30,252 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 97 115) the Hoare annotation is: true [2018-10-26 19:58:30,252 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2018-10-26 19:58:30,253 INFO L421 ceAbstractionStarter]: At program point L109(line 109) the Hoare annotation is: (and (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand modf_float_~ix~1 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0)))) [2018-10-26 19:58:30,253 INFO L425 ceAbstractionStarter]: For program point L109-1(line 109) no Hoare annotation was computed. [2018-10-26 19:58:30,253 INFO L425 ceAbstractionStarter]: For program point L109-2(line 109) no Hoare annotation was computed. [2018-10-26 19:58:30,253 INFO L425 ceAbstractionStarter]: For program point L109-3(line 109) no Hoare annotation was computed. [2018-10-26 19:58:30,253 INFO L421 ceAbstractionStarter]: At program point L109-4(line 109) the Hoare annotation is: (and (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) (exists ((modf_float_~ix~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~ix~1) ((_ extract 30 23) modf_float_~ix~1) ((_ extract 22 0) modf_float_~ix~1)) (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24))) (= (let ((.cse0 (bvand modf_float_~ix~1 (_ bv2147483648 32)))) (fp ((_ extract 31 31) .cse0) ((_ extract 30 23) .cse0) ((_ extract 22 0) .cse0))) main_~res~0))) |main_#t~short22|) [2018-10-26 19:58:30,254 INFO L425 ceAbstractionStarter]: For program point L109-5(line 109) no Hoare annotation was computed. [2018-10-26 19:58:30,254 INFO L425 ceAbstractionStarter]: For program point L109-7(line 109) no Hoare annotation was computed. [2018-10-26 19:58:30,254 INFO L425 ceAbstractionStarter]: For program point L109-9(lines 109 112) no Hoare annotation was computed. [2018-10-26 19:58:30,254 INFO L425 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-10-26 19:58:30,254 INFO L425 ceAbstractionStarter]: For program point L64-2(lines 56 70) no Hoare annotation was computed. [2018-10-26 19:58:30,254 INFO L425 ceAbstractionStarter]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2018-10-26 19:58:30,255 INFO L425 ceAbstractionStarter]: For program point L23(lines 23 70) no Hoare annotation was computed. [2018-10-26 19:58:30,255 INFO L425 ceAbstractionStarter]: For program point modf_floatEXIT(lines 14 71) no Hoare annotation was computed. [2018-10-26 19:58:30,255 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 48 52) no Hoare annotation was computed. [2018-10-26 19:58:30,255 INFO L421 ceAbstractionStarter]: At program point L48-3(lines 48 52) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-10-26 19:58:30,255 INFO L425 ceAbstractionStarter]: For program point L48-4(lines 48 52) no Hoare annotation was computed. [2018-10-26 19:58:30,255 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 36 40) no Hoare annotation was computed. [2018-10-26 19:58:30,256 INFO L421 ceAbstractionStarter]: At program point L36-3(lines 36 40) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-10-26 19:58:30,256 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 55) no Hoare annotation was computed. [2018-10-26 19:58:30,256 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 45) no Hoare annotation was computed. [2018-10-26 19:58:30,256 INFO L425 ceAbstractionStarter]: For program point L41-2(lines 33 47) no Hoare annotation was computed. [2018-10-26 19:58:30,256 INFO L425 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-10-26 19:58:30,256 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 54) no Hoare annotation was computed. [2018-10-26 19:58:30,256 INFO L425 ceAbstractionStarter]: For program point L25-1(lines 25 29) no Hoare annotation was computed. [2018-10-26 19:58:30,261 INFO L421 ceAbstractionStarter]: At program point L25-3(lines 25 29) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (bvslt (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) (_ bv23 32)))) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-10-26 19:58:30,262 INFO L425 ceAbstractionStarter]: For program point L25-4(lines 25 29) no Hoare annotation was computed. [2018-10-26 19:58:30,262 INFO L425 ceAbstractionStarter]: For program point L17-1(lines 17 21) no Hoare annotation was computed. [2018-10-26 19:58:30,262 INFO L421 ceAbstractionStarter]: At program point L17-3(lines 17 21) the Hoare annotation is: (= modf_float_~x |modf_float_#in~x|) [2018-10-26 19:58:30,262 INFO L425 ceAbstractionStarter]: For program point L17-4(lines 17 21) no Hoare annotation was computed. [2018-10-26 19:58:30,262 INFO L425 ceAbstractionStarter]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2018-10-26 19:58:30,262 INFO L421 ceAbstractionStarter]: At program point L59-3(lines 59 63) the Hoare annotation is: (and (= modf_float_~x |modf_float_#in~x|) (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (exists ((modf_float_~i0~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) modf_float_~i0~0) ((_ extract 30 23) modf_float_~i0~0) ((_ extract 22 0) modf_float_~i0~0)) |modf_float_#in~x|) (= (bvadd (bvand (bvashr modf_float_~i0~0 (_ bv23 32)) (_ bv255 32)) (_ bv4294967169 32)) modf_float_~j0~0)))) [2018-10-26 19:58:30,262 INFO L428 ceAbstractionStarter]: At program point modf_floatENTRY(lines 14 71) the Hoare annotation is: true [2018-10-26 19:58:30,263 INFO L425 ceAbstractionStarter]: For program point modf_floatFINAL(lines 14 71) no Hoare annotation was computed. [2018-10-26 19:58:30,263 INFO L425 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 73 83) no Hoare annotation was computed. [2018-10-26 19:58:30,263 INFO L428 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 73 83) the Hoare annotation is: true [2018-10-26 19:58:30,263 INFO L425 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 73 83) no Hoare annotation was computed. [2018-10-26 19:58:30,263 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 76 80) no Hoare annotation was computed. [2018-10-26 19:58:30,263 INFO L421 ceAbstractionStarter]: At program point L76-3(lines 76 80) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-10-26 19:58:30,263 INFO L425 ceAbstractionStarter]: For program point L76-4(lines 76 80) no Hoare annotation was computed. [2018-10-26 19:58:30,278 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,279 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,279 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,280 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,282 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,283 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,284 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,285 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,286 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,287 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,288 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,294 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,295 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,296 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,299 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,299 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,299 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,300 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,300 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,300 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,300 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,301 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,302 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,306 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,307 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,308 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,309 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:58:30 BoogieIcfgContainer [2018-10-26 19:58:30,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:58:30,312 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:58:30,312 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:58:30,312 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:58:30,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:58:24" (3/4) ... [2018-10-26 19:58:30,320 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:58:30,328 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:58:30,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-10-26 19:58:30,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:58:30,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure modf_float [2018-10-26 19:58:30,329 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-10-26 19:58:30,342 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 155 nodes and edges [2018-10-26 19:58:30,342 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 85 nodes and edges [2018-10-26 19:58:30,343 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-26 19:58:30,343 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-26 19:58:30,374 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-10-26 19:58:30,375 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-10-26 19:58:30,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-10-26 19:58:30,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-10-26 19:58:30,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-10-26 19:58:30,376 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) [2018-10-26 19:58:30,461 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_00ded251-2263-4721-b2f3-7676e257969b/bin-2019/utaipan/witness.graphml [2018-10-26 19:58:30,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:58:30,462 INFO L168 Benchmark]: Toolchain (without parser) took 7089.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 187.7 MB). Free memory was 951.9 MB in the beginning and 1.2 GB in the end (delta: -225.2 MB). Peak memory consumption was 299.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:30,463 INFO L168 Benchmark]: CDTParser took 0.16 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. [2018-10-26 19:58:30,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 314.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:30,464 INFO L168 Benchmark]: Boogie Procedure Inliner took 62.00 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:58:30,464 INFO L168 Benchmark]: Boogie Preprocessor took 72.73 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:30,464 INFO L168 Benchmark]: RCFGBuilder took 1008.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:30,464 INFO L168 Benchmark]: TraceAbstraction took 5477.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 786.1 MB in the end (delta: 274.0 MB). Peak memory consumption was 274.0 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:30,469 INFO L168 Benchmark]: Witness Printer took 149.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 786.1 MB in the beginning and 1.2 GB in the end (delta: -391.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:58:30,470 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 314.87 ms. Allocated memory is still 1.0 GB. Free memory was 951.9 MB in the beginning and 935.8 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 62.00 ms. Allocated memory is still 1.0 GB. Free memory is still 935.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 72.73 ms. Allocated memory is still 1.0 GB. Free memory was 935.8 MB in the beginning and 930.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1008.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 930.4 MB in the beginning and 1.1 GB in the end (delta: -129.7 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5477.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 786.1 MB in the end (delta: 274.0 MB). Peak memory consumption was 274.0 MB. Max. memory is 11.5 GB. * Witness Printer took 149.82 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 69.2 MB). Free memory was 786.1 MB in the beginning and 1.2 GB in the end (delta: -391.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 110]: 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: 17]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 76]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 59]: Loop Invariant [2018-10-26 19:58:30,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,489 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: (x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 48]: Loop Invariant [2018-10-26 19:58:30,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,490 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,491 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,492 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 25]: Loop Invariant [2018-10-26 19:58:30,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,493 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,494 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - InvariantResult [Line: 36]: Loop Invariant [2018-10-26 19:58:30,495 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,496 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] [2018-10-26 19:58:30,497 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[modf_float_~i0~0,QUANTIFIED] Derived loop invariant: ((x == \old(x) && ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]) == \old(x)) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvslt32(~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32), 23bv32))) && (\exists modf_float_~i0~0 : bv32 :: ~fp~LONGDOUBLE(modf_float_~i0~0[31:31], modf_float_~i0~0[30:23], modf_float_~i0~0[22:0]) == \old(x) && ~bvadd64(~bvand32(~bvashr32(modf_float_~i0~0, 23bv32), 255bv32), 4294967169bv32) == j0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 6 procedures, 59 locations, 1 error locations. SAFE Result, 5.3s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 207 SDtfs, 132 SDslu, 711 SDs, 0 SdLazy, 297 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 178 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred 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, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 25 PreInvPairs, 34 NumberOfFragments, 295 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 157 ConstructedInterpolants, 27 QuantifiedInterpolants, 34549 SizeOfPredicates, 44 NumberOfNonLiveVariables, 853 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...