./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................... 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_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/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 80f5f1ccd9454019e5b231b920d368e18867583c ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:33:55,104 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:33:55,105 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:33:55,111 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:33:55,111 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:33:55,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:33:55,113 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:33:55,114 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:33:55,114 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:33:55,115 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:33:55,115 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:33:55,115 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:33:55,116 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:33:55,116 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:33:55,117 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:33:55,117 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:33:55,118 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:33:55,118 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:33:55,119 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:33:55,120 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:33:55,121 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:33:55,121 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:33:55,122 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:33:55,122 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:33:55,122 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:33:55,123 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:33:55,123 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:33:55,124 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:33:55,124 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:33:55,125 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:33:55,125 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:33:55,125 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:33:55,125 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:33:55,125 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:33:55,126 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:33:55,126 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:33:55,126 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:33:55,134 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:33:55,134 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:33:55,134 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:33:55,134 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:33:55,135 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:33:55,135 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:33:55,136 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:33:55,136 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:33:55,136 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:33:55,137 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:33:55,137 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:33:55,137 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_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-12-03 02:33:55,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:33:55,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:33:55,168 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:33:55,169 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:33:55,169 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:33:55,170 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-03 02:33:55,214 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/7dc212dda/7230e08356ee4cf1b8098e839a4cee44/FLAG905e755aa [2018-12-03 02:33:55,635 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:33:55,635 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-03 02:33:55,639 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/7dc212dda/7230e08356ee4cf1b8098e839a4cee44/FLAG905e755aa [2018-12-03 02:33:55,647 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/7dc212dda/7230e08356ee4cf1b8098e839a4cee44 [2018-12-03 02:33:55,649 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:33:55,650 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:33:55,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:33:55,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:33:55,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:33:55,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,654 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@325efab2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55, skipping insertion in model container [2018-12-03 02:33:55,654 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:33:55,672 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:33:55,786 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:33:55,788 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:33:55,816 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:33:55,860 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:33:55,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55 WrapperNode [2018-12-03 02:33:55,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:33:55,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:33:55,861 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:33:55,861 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:33:55,866 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,878 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:33:55,878 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:33:55,878 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:33:55,878 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:33:55,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,886 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,886 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,902 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... [2018-12-03 02:33:55,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:33:55,906 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:33:55,906 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:33:55,906 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:33:55,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:33:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:33:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:33:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-03 02:33:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-03 02:33:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-03 02:33:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-03 02:33:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:33:55,937 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:33:55,937 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-03 02:33:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:33:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-03 02:33:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:33:55,938 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-03 02:33:55,938 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-03 02:33:56,166 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:33:56,167 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-03 02:33:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:56 BoogieIcfgContainer [2018-12-03 02:33:56,167 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:33:56,167 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:33:56,168 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:33:56,170 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:33:56,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:33:55" (1/3) ... [2018-12-03 02:33:56,170 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132216bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:33:56, skipping insertion in model container [2018-12-03 02:33:56,170 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:55" (2/3) ... [2018-12-03 02:33:56,171 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@132216bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:33:56, skipping insertion in model container [2018-12-03 02:33:56,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:56" (3/3) ... [2018-12-03 02:33:56,172 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-12-03 02:33:56,177 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:33:56,182 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:33:56,192 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:33:56,210 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:33:56,211 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:33:56,211 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:33:56,211 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:33:56,211 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:33:56,211 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:33:56,211 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:33:56,211 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:33:56,222 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-03 02:33:56,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 02:33:56,225 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:33:56,226 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:33:56,227 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:33:56,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:33:56,231 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-03 02:33:56,232 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:33:56,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:33:56,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:33:56,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:33:56,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:33:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:33:56,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:33:56,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:33:56,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:33:56,338 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:33:56,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:33:56,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:33:56,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:33:56,353 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-03 02:33:56,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:33:56,370 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-03 02:33:56,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:33:56,371 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-03 02:33:56,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:33:56,377 INFO L225 Difference]: With dead ends: 152 [2018-12-03 02:33:56,377 INFO L226 Difference]: Without dead ends: 76 [2018-12-03 02:33:56,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:33:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-03 02:33:56,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-03 02:33:56,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 02:33:56,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-03 02:33:56,403 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-03 02:33:56,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:33:56,403 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-03 02:33:56,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:33:56,404 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-03 02:33:56,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-03 02:33:56,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:33:56,404 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:33:56,404 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:33:56,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:33:56,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-03 02:33:56,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:33:56,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:33:56,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:33:56,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:33:56,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:33:56,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:33:56,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-03 02:33:56,452 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-03 02:33:56,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:33:56 BoogieIcfgContainer [2018-12-03 02:33:56,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:33:56,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:33:56,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:33:56,473 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:33:56,473 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:33:56" (3/4) ... [2018-12-03 02:33:56,475 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-03 02:33:56,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:33:56,476 INFO L168 Benchmark]: Toolchain (without parser) took 826.78 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 960.2 MB in the beginning and 1.0 GB in the end (delta: -63.0 MB). Peak memory consumption was 36.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:33:56,477 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:33:56,477 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:33:56,477 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:33:56,478 INFO L168 Benchmark]: Boogie Preprocessor took 27.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:33:56,478 INFO L168 Benchmark]: RCFGBuilder took 261.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-03 02:33:56,478 INFO L168 Benchmark]: TraceAbstraction took 305.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:33:56,478 INFO L168 Benchmark]: Witness Printer took 2.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:33:56,480 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 210.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -136.4 MB). Peak memory consumption was 30.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.56 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 261.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 35.8 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 305.07 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Witness Printer took 2.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 198]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 197, overapproximation of someUnaryDOUBLEoperation at line 111, overapproximation of bitwiseAnd at line 125, overapproximation of someUnaryFLOAToperation at line 193, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L24] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L107-L115] static const float one_asin = 1.0000000000e+00, huge_asin = 1.000e+30, pio2_hi_asin = 1.57079637050628662109375f, pio2_lo_asin = -4.37113900018624283e-8f, pio4_hi_asin = 0.785398185253143310546875f, pS0_asin = 1.6666667163e-01, pS1_asin = -3.2556581497e-01, pS2_asin = 2.0121252537e-01, pS3_asin = -4.0055535734e-02, pS4_asin = 7.9153501429e-04, pS5_asin = 3.4793309169e-05, qS1_asin = -2.4033949375e+00, qS2_asin = 2.0209457874e+00, qS3_asin = -6.8828397989e-01, qS4_asin = 7.7038154006e-02; VAL [\old(huge_asin)=25, \old(one_asin)=11, \old(one_sqrt)=9, \old(pio2_hi_asin)=10, \old(pio2_lo_asin)=20, \old(pio4_hi_asin)=12, \old(pS0_asin)=18, \old(pS1_asin)=13, \old(pS2_asin)=7, \old(pS3_asin)=17, \old(pS4_asin)=23, \old(pS5_asin)=15, \old(qS1_asin)=27, \old(qS2_asin)=24, \old(qS3_asin)=5, \old(qS4_asin)=21, \old(tiny_sqrt)=22, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L193] float x = -0.0f; VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L194] CALL, EXPR __ieee754_asinf(x) VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000] [L118] float t, w, p, q, c, r, s; [L119] __int32_t hx, ix; VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L121] ieee_float_shape_type gf_u; [L122] gf_u.value = (x) [L123] EXPR gf_u.word [L123] (hx) = gf_u.word [L125] ix = hx & 0x7fffffff VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L126] COND TRUE ix == 0x3f800000 [L128] return x * pio2_hi_asin + x * pio2_lo_asin; VAL [\old(x)=14, huge_asin=1000000000000000000000000000000, hx=2, ix=1065353216, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L194] RET, EXPR __ieee754_asinf(x) VAL [__ieee754_asinf(x)=26, huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L194] float res = __ieee754_asinf(x); [L197] EXPR res == -0.0f && __signbit_float(res) == 1 VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, res == -0.0f && __signbit_float(res) == 1=0, tiny_sqrt=1/1000000000000000000000000000000, x=14] [L197] COND TRUE !(res == -0.0f && __signbit_float(res) == 1) [L198] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=13176795/8388608, pio4_hi_asin=13176795/16777216, pS0_asin=16666667163/100000000000, pS2_asin=20121252537/100000000000, pS4_asin=79153501429/100000000000000, pS5_asin=34793309169/1000000000000000, qS2_asin=10104728937/5000000000, qS4_asin=38519077003/500000000000, res=26, tiny_sqrt=1/1000000000000000000000000000000, x=14] - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 256 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:33:57,868 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:33:57,869 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:33:57,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:33:57,876 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:33:57,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:33:57,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:33:57,878 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:33:57,879 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:33:57,880 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:33:57,881 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:33:57,881 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:33:57,882 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:33:57,882 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:33:57,883 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:33:57,883 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:33:57,884 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:33:57,885 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:33:57,887 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:33:57,888 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:33:57,888 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:33:57,889 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:33:57,891 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:33:57,891 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:33:57,891 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:33:57,892 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:33:57,892 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:33:57,893 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:33:57,893 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:33:57,894 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:33:57,894 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:33:57,895 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:33:57,895 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:33:57,895 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:33:57,896 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:33:57,896 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:33:57,896 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-03 02:33:57,907 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:33:57,907 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:33:57,908 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:33:57,908 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:33:57,908 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:33:57,908 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:33:57,908 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:33:57,908 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:33:57,909 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:33:57,909 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:33:57,909 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:33:57,909 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:33:57,909 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:33:57,910 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:33:57,911 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:33:57,911 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:33:57,911 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:33:57,912 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-03 02:33:57,912 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:33:57,912 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-03 02:33:57,912 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-03 02:33:57,912 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_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/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 -> 80f5f1ccd9454019e5b231b920d368e18867583c [2018-12-03 02:33:57,933 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:33:57,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:33:57,942 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:33:57,943 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:33:57,943 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:33:57,944 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-03 02:33:57,979 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/b10e513b3/9ac80bb7f7d942928d187c545dbbab2f/FLAG89fcce1db [2018-12-03 02:33:58,309 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:33:58,309 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/sv-benchmarks/c/float-newlib/float_req_bl_0270a_true-unreach-call.c [2018-12-03 02:33:58,314 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/b10e513b3/9ac80bb7f7d942928d187c545dbbab2f/FLAG89fcce1db [2018-12-03 02:33:58,708 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/data/b10e513b3/9ac80bb7f7d942928d187c545dbbab2f [2018-12-03 02:33:58,709 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:33:58,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:33:58,711 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:33:58,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:33:58,713 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:33:58,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,715 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c435b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58, skipping insertion in model container [2018-12-03 02:33:58,715 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,720 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:33:58,733 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:33:58,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:33:58,850 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:33:58,879 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:33:58,894 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:33:58,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58 WrapperNode [2018-12-03 02:33:58,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:33:58,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:33:58,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:33:58,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:33:58,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,943 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:33:58,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:33:58,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:33:58,943 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:33:58,949 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,953 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,968 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... [2018-12-03 02:33:58,977 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:33:58,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:33:58,978 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:33:58,978 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:33:58,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:33:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:33:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:33:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_asinf [2018-12-03 02:33:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_asinf [2018-12-03 02:33:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-03 02:33:59,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:33:59,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2018-12-03 02:33:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:33:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2018-12-03 02:33:59,008 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2018-12-03 02:33:59,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-03 02:33:59,009 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_float [2018-12-03 02:33:59,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_float [2018-12-03 02:33:59,121 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:33:59,146 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:34:07,490 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:34:07,510 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:34:08,177 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-03 02:34:08,180 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:34:08,180 INFO L280 CfgBuilder]: Removed 18 assue(true) statements. [2018-12-03 02:34:08,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:08 BoogieIcfgContainer [2018-12-03 02:34:08,180 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:34:08,181 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:34:08,181 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:34:08,183 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:34:08,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:33:58" (1/3) ... [2018-12-03 02:34:08,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f396781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:34:08, skipping insertion in model container [2018-12-03 02:34:08,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:33:58" (2/3) ... [2018-12-03 02:34:08,183 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f396781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:34:08, skipping insertion in model container [2018-12-03 02:34:08,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:08" (3/3) ... [2018-12-03 02:34:08,184 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0270a_true-unreach-call.c [2018-12-03 02:34:08,190 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:34:08,194 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:34:08,202 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:34:08,219 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-03 02:34:08,219 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:34:08,220 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:34:08,220 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:34:08,220 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:34:08,220 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:34:08,220 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:34:08,220 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:34:08,220 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:34:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states. [2018-12-03 02:34:08,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-03 02:34:08,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:08,233 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:08,235 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:08,238 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:08,238 INFO L82 PathProgramCache]: Analyzing trace with hash -874682043, now seen corresponding path program 1 times [2018-12-03 02:34:08,240 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:08,240 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:08,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:08,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:08,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:08,444 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:08,454 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:08,454 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 02:34:08,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 02:34:08,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 02:34:08,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:34:08,465 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 2 states. [2018-12-03 02:34:08,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:08,482 INFO L93 Difference]: Finished difference Result 152 states and 229 transitions. [2018-12-03 02:34:08,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 02:34:08,483 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 17 [2018-12-03 02:34:08,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:08,489 INFO L225 Difference]: With dead ends: 152 [2018-12-03 02:34:08,489 INFO L226 Difference]: Without dead ends: 76 [2018-12-03 02:34:08,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 02:34:08,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-03 02:34:08,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-12-03 02:34:08,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 02:34:08,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 94 transitions. [2018-12-03 02:34:08,516 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 94 transitions. Word has length 17 [2018-12-03 02:34:08,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:08,517 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 94 transitions. [2018-12-03 02:34:08,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 02:34:08,517 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 94 transitions. [2018-12-03 02:34:08,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-03 02:34:08,517 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:08,517 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:08,518 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:08,518 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:08,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1166852346, now seen corresponding path program 1 times [2018-12-03 02:34:08,518 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:08,519 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:08,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:08,687 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:08,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:08,762 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:08,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:08,771 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:34:08,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:34:08,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:34:08,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:34:08,772 INFO L87 Difference]: Start difference. First operand 76 states and 94 transitions. Second operand 7 states. [2018-12-03 02:34:14,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:14,692 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2018-12-03 02:34:14,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:34:14,693 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-12-03 02:34:14,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:14,695 INFO L225 Difference]: With dead ends: 94 [2018-12-03 02:34:14,695 INFO L226 Difference]: Without dead ends: 79 [2018-12-03 02:34:14,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:34:14,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-03 02:34:14,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-03 02:34:14,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 02:34:14,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 93 transitions. [2018-12-03 02:34:14,702 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 93 transitions. Word has length 18 [2018-12-03 02:34:14,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:14,702 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 93 transitions. [2018-12-03 02:34:14,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:34:14,702 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2018-12-03 02:34:14,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-03 02:34:14,702 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:14,703 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:14,703 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:14,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:14,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1525807933, now seen corresponding path program 1 times [2018-12-03 02:34:14,703 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:14,703 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:14,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:14,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:14,974 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:14,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:14,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:34:14,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:34:14,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:34:14,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:34:14,985 INFO L87 Difference]: Start difference. First operand 76 states and 93 transitions. Second operand 7 states. [2018-12-03 02:34:19,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:19,886 INFO L93 Difference]: Finished difference Result 93 states and 110 transitions. [2018-12-03 02:34:19,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:34:19,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-03 02:34:19,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:19,888 INFO L225 Difference]: With dead ends: 93 [2018-12-03 02:34:19,888 INFO L226 Difference]: Without dead ends: 78 [2018-12-03 02:34:19,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:34:19,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-12-03 02:34:19,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 76. [2018-12-03 02:34:19,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 02:34:19,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 92 transitions. [2018-12-03 02:34:19,893 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 92 transitions. Word has length 19 [2018-12-03 02:34:19,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:19,893 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 92 transitions. [2018-12-03 02:34:19,893 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:34:19,893 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 92 transitions. [2018-12-03 02:34:19,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-03 02:34:19,894 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:19,894 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:19,894 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:19,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:19,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1541354995, now seen corresponding path program 1 times [2018-12-03 02:34:19,895 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:19,895 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:19,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:20,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:20,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:20,915 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:20,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:20,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:34:20,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:34:20,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:34:20,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:34:20,933 INFO L87 Difference]: Start difference. First operand 76 states and 92 transitions. Second operand 7 states. [2018-12-03 02:34:25,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:25,984 INFO L93 Difference]: Finished difference Result 107 states and 128 transitions. [2018-12-03 02:34:25,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:34:25,985 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2018-12-03 02:34:25,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:25,986 INFO L225 Difference]: With dead ends: 107 [2018-12-03 02:34:25,986 INFO L226 Difference]: Without dead ends: 84 [2018-12-03 02:34:25,986 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:34:25,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-12-03 02:34:25,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 81. [2018-12-03 02:34:25,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-03 02:34:25,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2018-12-03 02:34:25,994 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 21 [2018-12-03 02:34:25,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:25,995 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2018-12-03 02:34:25,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:34:25,995 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2018-12-03 02:34:25,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-03 02:34:25,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:25,996 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:25,996 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:25,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:25,996 INFO L82 PathProgramCache]: Analyzing trace with hash 719843597, now seen corresponding path program 1 times [2018-12-03 02:34:25,996 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:25,996 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:25,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:26,068 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:26,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:26,109 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:26,117 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:26,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:34:26,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:34:26,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:34:26,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:34:26,118 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand 7 states. [2018-12-03 02:34:26,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:26,424 INFO L93 Difference]: Finished difference Result 88 states and 105 transitions. [2018-12-03 02:34:26,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:34:26,424 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-12-03 02:34:26,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:26,425 INFO L225 Difference]: With dead ends: 88 [2018-12-03 02:34:26,425 INFO L226 Difference]: Without dead ends: 85 [2018-12-03 02:34:26,425 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:34:26,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-12-03 02:34:26,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-12-03 02:34:26,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-12-03 02:34:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 102 transitions. [2018-12-03 02:34:26,431 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 102 transitions. Word has length 22 [2018-12-03 02:34:26,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:26,431 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 102 transitions. [2018-12-03 02:34:26,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:34:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 102 transitions. [2018-12-03 02:34:26,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-03 02:34:26,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:26,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:26,432 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:26,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:26,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1319927051, now seen corresponding path program 1 times [2018-12-03 02:34:26,432 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:26,432 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:26,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:26,512 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:26,649 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:26,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:26,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-03 02:34:26,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 02:34:26,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 02:34:26,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-03 02:34:26,658 INFO L87 Difference]: Start difference. First operand 85 states and 102 transitions. Second operand 12 states. [2018-12-03 02:34:27,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:27,190 INFO L93 Difference]: Finished difference Result 90 states and 107 transitions. [2018-12-03 02:34:27,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:34:27,191 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2018-12-03 02:34:27,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:27,192 INFO L225 Difference]: With dead ends: 90 [2018-12-03 02:34:27,192 INFO L226 Difference]: Without dead ends: 81 [2018-12-03 02:34:27,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=57, Invalid=285, Unknown=0, NotChecked=0, Total=342 [2018-12-03 02:34:27,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-12-03 02:34:27,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-12-03 02:34:27,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-12-03 02:34:27,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 97 transitions. [2018-12-03 02:34:27,198 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 97 transitions. Word has length 30 [2018-12-03 02:34:27,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:27,198 INFO L480 AbstractCegarLoop]: Abstraction has 81 states and 97 transitions. [2018-12-03 02:34:27,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 02:34:27,198 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 97 transitions. [2018-12-03 02:34:27,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-12-03 02:34:27,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:27,199 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:27,199 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:27,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:27,199 INFO L82 PathProgramCache]: Analyzing trace with hash -1745980452, now seen corresponding path program 1 times [2018-12-03 02:34:27,200 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:27,200 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:27,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:28,307 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:28,374 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:28,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:28,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 02:34:28,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 02:34:28,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 02:34:28,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:34:28,394 INFO L87 Difference]: Start difference. First operand 81 states and 97 transitions. Second operand 7 states. [2018-12-03 02:34:30,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:30,911 INFO L93 Difference]: Finished difference Result 100 states and 118 transitions. [2018-12-03 02:34:30,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 02:34:30,912 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2018-12-03 02:34:30,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:30,913 INFO L225 Difference]: With dead ends: 100 [2018-12-03 02:34:30,913 INFO L226 Difference]: Without dead ends: 79 [2018-12-03 02:34:30,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:34:30,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-12-03 02:34:30,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 76. [2018-12-03 02:34:30,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-12-03 02:34:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 89 transitions. [2018-12-03 02:34:30,917 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 89 transitions. Word has length 41 [2018-12-03 02:34:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:30,917 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 89 transitions. [2018-12-03 02:34:30,917 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 02:34:30,917 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 89 transitions. [2018-12-03 02:34:30,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-03 02:34:30,917 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:34:30,917 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:34:30,918 INFO L423 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:34:30,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:34:30,918 INFO L82 PathProgramCache]: Analyzing trace with hash -699242333, now seen corresponding path program 1 times [2018-12-03 02:34:30,918 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-03 02:34:30,918 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-12-03 02:34:30,921 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:34:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:34:32,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:34:32,751 WARN L180 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-12-03 02:34:33,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:34:33,121 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-03 02:34:33,140 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:34:33,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:34:33,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:34:33,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:34:33,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:34:33,141 INFO L87 Difference]: Start difference. First operand 76 states and 89 transitions. Second operand 6 states. [2018-12-03 02:34:34,152 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-12-03 02:34:36,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:34:36,929 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2018-12-03 02:34:36,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:34:36,934 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 43 [2018-12-03 02:34:36,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:34:36,935 INFO L225 Difference]: With dead ends: 76 [2018-12-03 02:34:36,935 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:34:36,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 35 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:34:36,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:34:36,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:34:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:34:36,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:34:36,936 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2018-12-03 02:34:36,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:34:36,936 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:34:36,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:34:36,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:34:36,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:34:36,939 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:34:37,654 WARN L180 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-12-03 02:34:38,190 WARN L180 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 35 [2018-12-03 02:34:38,645 WARN L180 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point L99-2(lines 99 103) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point fabs_floatFINAL(lines 92 105) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point L94-1(lines 94 98) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L451 ceAbstractionStarter]: At program point L94-2(lines 94 98) the Hoare annotation is: true [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point fabs_floatEXIT(lines 92 105) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L451 ceAbstractionStarter]: At program point fabs_floatENTRY(lines 92 105) the Hoare annotation is: true [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 103) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 92 105) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:34:38,674 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) [2018-12-03 02:34:38,675 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point L194-1(line 194) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point L197-4(lines 197 200) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 185 203) the Hoare annotation is: true [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 185 203) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 198) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 185 203) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point L197(line 197) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L444 ceAbstractionStarter]: At program point L197-1(line 197) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (let ((.cse0 (fp.neg (_ +zero 8 24)))) (and (= main_~res~0 .cse0) (= main_~x~0 .cse0) |main_#t~short21|)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-03 02:34:38,675 INFO L448 ceAbstractionStarter]: For program point L197-2(line 197) no Hoare annotation was computed. [2018-12-03 02:34:38,675 INFO L444 ceAbstractionStarter]: At program point L194(line 194) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= main_~x~0 (fp.neg (_ +zero 8 24))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-03 02:34:38,676 INFO L444 ceAbstractionStarter]: At program point L163-2(lines 163 167) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0)))) (and (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv838860800 32))))) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2))))) [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 146) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L168(lines 168 172) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 160 178) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L168-2(lines 168 172) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 146) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L444 ceAbstractionStarter]: At program point L131-1(lines 131 146) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-03 02:34:38,676 INFO L444 ceAbstractionStarter]: At program point L156(line 156) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (and (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (not (bvslt (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) (_ bv1056964608 32))))) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (exists ((__ieee754_asinf_~hx~1 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_asinf_~hx~1) ((_ extract 30 23) __ieee754_asinf_~hx~1) ((_ extract 22 0) __ieee754_asinf_~hx~1)) |__ieee754_asinf_#in~x|) (= (bvand (_ bv2147483647 32) __ieee754_asinf_~hx~1) __ieee754_asinf_~ix~2)))) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L156-1(line 156) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 02:34:38,676 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 178) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L157-2(lines 117 183) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 124) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 124) the Hoare annotation is: (or (not (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000.0)) ~huge_asin~0)) (= |__ieee754_asinf_#in~x| __ieee754_asinf_~x) (not (= ~one_asin~0 ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven 1.0))))) [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 124) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L451 ceAbstractionStarter]: At program point __ieee754_asinfENTRY(lines 117 183) the Hoare annotation is: true [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L133(lines 133 134) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfFINAL(lines 117 183) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 146) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point __ieee754_asinfEXIT(lines 117 183) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L64(lines 64 68) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L31-1(lines 31 35) no Hoare annotation was computed. [2018-12-03 02:34:38,677 INFO L448 ceAbstractionStarter]: For program point L64-2(lines 64 68) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L451 ceAbstractionStarter]: At program point L31-2(lines 31 35) the Hoare annotation is: true [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L31-3(lines 31 35) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L85-1(lines 85 89) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L451 ceAbstractionStarter]: At program point L85-2(lines 85 89) the Hoare annotation is: true [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L85-3(lines 85 89) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L451 ceAbstractionStarter]: At program point L48-3(lines 48 49) the Hoare annotation is: true [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L77(lines 77 80) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 82) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtfENTRY(lines 26 91) the Hoare annotation is: true [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L41(lines 41 42) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfFINAL(lines 26 91) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L451 ceAbstractionStarter]: At program point L62-2(lines 62 71) the Hoare annotation is: true [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L62-3(lines 26 91) no Hoare annotation was computed. [2018-12-03 02:34:38,678 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 55) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L54-2(lines 54 55) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtfEXIT(lines 26 91) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 39) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 51) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L47-2(lines 47 51) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 44) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point __signbit_floatFINAL(lines 12 22) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L451 ceAbstractionStarter]: At program point __signbit_floatENTRY(lines 12 22) the Hoare annotation is: true [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L15-1(lines 15 19) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L444 ceAbstractionStarter]: At program point L15-2(lines 15 19) the Hoare annotation is: (= |__signbit_float_#in~x| __signbit_float_~x) [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point L15-3(lines 15 19) no Hoare annotation was computed. [2018-12-03 02:34:38,679 INFO L448 ceAbstractionStarter]: For program point __signbit_floatEXIT(lines 12 22) no Hoare annotation was computed. [2018-12-03 02:34:38,686 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,687 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,687 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,687 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,687 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,687 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,688 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,688 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,688 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,688 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,688 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,688 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,689 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,690 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,691 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,691 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,691 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,691 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:34:38 BoogieIcfgContainer [2018-12-03 02:34:38,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:34:38,692 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:34:38,692 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:34:38,692 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:34:38,693 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:08" (3/4) ... [2018-12-03 02:34:38,695 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:34:38,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:34:38,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2018-12-03 02:34:38,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:34:38,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_asinf [2018-12-03 02:34:38,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2018-12-03 02:34:38,699 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __signbit_float [2018-12-03 02:34:38,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-03 02:34:38,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-12-03 02:34:38,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-03 02:34:38,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 02:34:38,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) [2018-12-03 02:34:38,718 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-03 02:34:38,719 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) [2018-12-03 02:34:38,736 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3567a21d-a7e4-4453-841d-dbd6a64ba2d9/bin-2019/utaipan/witness.graphml [2018-12-03 02:34:38,736 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:34:38,736 INFO L168 Benchmark]: Toolchain (without parser) took 40026.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.3 MB). Free memory was 943.4 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,737 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:34:38,737 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.18 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,737 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,737 INFO L168 Benchmark]: Boogie Preprocessor took 34.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,737 INFO L168 Benchmark]: RCFGBuilder took 9203.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,737 INFO L168 Benchmark]: TraceAbstraction took 30511.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,738 INFO L168 Benchmark]: Witness Printer took 43.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:34:38,739 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.18 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 47.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -191.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 9203.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.7 MB). Peak memory consumption was 45.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30511.13 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 65.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -11.8 MB). Peak memory consumption was 53.7 MB. Max. memory is 11.5 GB. * Witness Printer took 43.62 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 198]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 85]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 163]: Loop Invariant [2018-12-03 02:34:38,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,741 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,742 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] [2018-12-03 02:34:38,743 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_asinf_~hx~1,QUANTIFIED] Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)))) || (((\old(x) == x && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && !~bvslt32(~bvand32(2147483647bv32, __ieee754_asinf_~hx~1), 838860800bv32))) && ~fp~LONGDOUBLE(hx[31:31], hx[30:23], hx[22:0]) == \old(x)) && (\exists __ieee754_asinf_~hx~1 : bv32 :: ~fp~LONGDOUBLE(__ieee754_asinf_~hx~1[31:31], __ieee754_asinf_~hx~1[30:23], __ieee754_asinf_~hx~1[22:0]) == \old(x) && ~bvand32(2147483647bv32, __ieee754_asinf_~hx~1) == ix)) - InvariantResult [Line: 120]: Loop Invariant [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-03 02:34:38,744 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (!(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E30)) == huge_asin) || \old(x) == x) || !(one_asin == ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, ~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0))) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 80 locations, 1 error locations. SAFE Result, 30.4s OverallTime, 8 OverallIterations, 1 TraceHistogramMax, 23.0s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 657 SDtfs, 420 SDslu, 2716 SDs, 0 SdLazy, 396 SolverSat, 55 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 20.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 161 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=5, 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, 8 MinimizatonAttempts, 11 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 20 LocationsWithAnnotation, 46 PreInvPairs, 65 NumberOfFragments, 287 HoareAnnotationTreeSize, 46 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 20 FomulaSimplificationsInter, 493 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 211 NumberOfCodeBlocks, 211 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 203 ConstructedInterpolants, 26 QuantifiedInterpolants, 48415 SizeOfPredicates, 29 NumberOfNonLiveVariables, 963 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...