./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_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_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/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 77a01f137667344720fd98189387bfe86c106b2a ................................................................................................................................................................................................................................................................................................................. 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_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/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 77a01f137667344720fd98189387bfe86c106b2a .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:17:20,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:17:20,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:17:20,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:17:20,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:17:20,069 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:17:20,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:17:20,071 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:17:20,072 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:17:20,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:17:20,073 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:17:20,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:17:20,074 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:17:20,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:17:20,075 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:17:20,076 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:17:20,076 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:17:20,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:17:20,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:17:20,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:17:20,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:17:20,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:17:20,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:17:20,082 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:17:20,082 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:17:20,083 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:17:20,083 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:17:20,084 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:17:20,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:17:20,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:17:20,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:17:20,086 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:17:20,086 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:17:20,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:17:20,086 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:17:20,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:17:20,087 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 07:17:20,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:17:20,095 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:17:20,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:17:20,096 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:17:20,096 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:17:20,096 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:17:20,096 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:17:20,097 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 07:17:20,097 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:17:20,097 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:17:20,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 07:17:20,097 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 07:17:20,097 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:17:20,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:17:20,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:17:20,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 07:17:20,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:17:20,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:17:20,099 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:17:20,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:17:20,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:17:20,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:17:20,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:17:20,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:17:20,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:17:20,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:17:20,100 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 07:17:20,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:17:20,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 07:17:20,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 07:17:20,101 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_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-12-02 07:17:20,119 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:17:20,126 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:17:20,128 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:17:20,129 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:17:20,130 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:17:20,130 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-02 07:17:20,169 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/751d2bfe7/c3917ef242d04038806ef2fb434b88e6/FLAGd884b5286 [2018-12-02 07:17:20,653 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:17:20,653 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-02 07:17:20,657 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/751d2bfe7/c3917ef242d04038806ef2fb434b88e6/FLAGd884b5286 [2018-12-02 07:17:20,665 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/751d2bfe7/c3917ef242d04038806ef2fb434b88e6 [2018-12-02 07:17:20,667 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:17:20,668 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:17:20,668 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:17:20,668 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:17:20,670 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:17:20,671 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ccca87c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20, skipping insertion in model container [2018-12-02 07:17:20,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,676 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:17:20,687 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:17:20,791 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:17:20,793 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:17:20,815 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:17:20,859 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:17:20,859 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20 WrapperNode [2018-12-02 07:17:20,859 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:17:20,859 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:17:20,860 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:17:20,860 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:17:20,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,872 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:17:20,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:17:20,876 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:17:20,876 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:17:20,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,885 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,885 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... [2018-12-02 07:17:20,899 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:17:20,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:17:20,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:17:20,900 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:17:20,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:17:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 07:17:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 07:17:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:17:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:17:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 07:17:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 07:17:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 07:17:20,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 07:17:20,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:17:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:17:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 07:17:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:17:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:17:20,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:17:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 07:17:20,933 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:17:21,131 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:17:21,132 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 07:17:21,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:21 BoogieIcfgContainer [2018-12-02 07:17:21,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:17:21,132 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:17:21,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:17:21,134 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:17:21,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:17:20" (1/3) ... [2018-12-02 07:17:21,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529837bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:17:21, skipping insertion in model container [2018-12-02 07:17:21,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:20" (2/3) ... [2018-12-02 07:17:21,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@529837bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:17:21, skipping insertion in model container [2018-12-02 07:17:21,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:21" (3/3) ... [2018-12-02 07:17:21,138 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-12-02 07:17:21,144 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:17:21,149 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:17:21,159 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:17:21,178 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:17:21,178 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:17:21,178 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:17:21,178 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:17:21,179 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:17:21,179 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:17:21,179 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:17:21,179 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:17:21,190 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2018-12-02 07:17:21,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 07:17:21,194 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:17:21,194 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] [2018-12-02 07:17:21,196 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:17:21,199 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:17:21,199 INFO L82 PathProgramCache]: Analyzing trace with hash -429811670, now seen corresponding path program 1 times [2018-12-02 07:17:21,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:17:21,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:17:21,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:17:21,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:17:21,229 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:17:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:17:21,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:17:21,280 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:17:21,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:17:21,280 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 07:17:21,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:17:21,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:17:21,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:17:21,293 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 2 states. [2018-12-02 07:17:21,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:17:21,308 INFO L93 Difference]: Finished difference Result 116 states and 172 transitions. [2018-12-02 07:17:21,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:17:21,309 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 20 [2018-12-02 07:17:21,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:17:21,316 INFO L225 Difference]: With dead ends: 116 [2018-12-02 07:17:21,316 INFO L226 Difference]: Without dead ends: 58 [2018-12-02 07:17:21,318 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:17:21,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-12-02 07:17:21,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-12-02 07:17:21,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-12-02 07:17:21,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 77 transitions. [2018-12-02 07:17:21,341 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 77 transitions. Word has length 20 [2018-12-02 07:17:21,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:17:21,341 INFO L480 AbstractCegarLoop]: Abstraction has 58 states and 77 transitions. [2018-12-02 07:17:21,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:17:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 77 transitions. [2018-12-02 07:17:21,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 07:17:21,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:17:21,342 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:17:21,342 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:17:21,342 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:17:21,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1876471549, now seen corresponding path program 1 times [2018-12-02 07:17:21,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 07:17:21,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:17:21,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:17:21,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 07:17:21,343 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 07:17:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:17:21,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 07:17:21,388 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 07:17:21,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:17:21 BoogieIcfgContainer [2018-12-02 07:17:21,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:17:21,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:17:21,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:17:21,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:17:21,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:21" (3/4) ... [2018-12-02 07:17:21,409 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 07:17:21,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:17:21,409 INFO L168 Benchmark]: Toolchain (without parser) took 742.09 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 957.8 MB in the beginning and 1.0 GB in the end (delta: -77.4 MB). Peak memory consumption was 35.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:17:21,410 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:17:21,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 190.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:17:21,411 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.74 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. [2018-12-02 07:17:21,411 INFO L168 Benchmark]: Boogie Preprocessor took 22.86 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. [2018-12-02 07:17:21,411 INFO L168 Benchmark]: RCFGBuilder took 232.67 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-12-02 07:17:21,412 INFO L168 Benchmark]: TraceAbstraction took 273.44 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:17:21,412 INFO L168 Benchmark]: Witness Printer took 2.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:17:21,414 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 190.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 957.8 MB in the beginning and 1.1 GB in the end (delta: -146.9 MB). Peak memory consumption was 29.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.74 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. * Boogie Preprocessor took 22.86 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 232.67 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: 31.9 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 273.44 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: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 144]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 130, overapproximation of someBinaryArithmeticDOUBLEoperation at line 33, overapproximation of bitwiseAnd at line 32. Possible FailurePath: [L17] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; VAL [\old(one_sqrt)=6442450952, \old(tiny_sqrt)=6442450946, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L139] double x = -1.0 / 0.0; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L140] CALL, EXPR __ieee754_sqrt(x) VAL [\old(x)=6442450953, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] double z; [L21] __int32_t sign = 0x80000000; [L22] __uint32_t r, t1, s1, ix1, q1; [L23] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=6442450953, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L26] ieee_double_shape_type ew_u; [L27] ew_u.value = (x) [L28] EXPR ew_u.parts.msw [L28] (ix0) = ew_u.parts.msw [L29] EXPR ew_u.parts.lsw [L29] (ix1) = ew_u.parts.lsw [L32] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L33] return x * x + x; VAL [\old(x)=6442450953, ix0=-2147483648, ix1=6442450949, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L140] RET, EXPR __ieee754_sqrt(x) VAL [__ieee754_sqrt(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L140] double res = __ieee754_sqrt(x); [L143] CALL, EXPR isnan_double(res) VAL [\old(x)=6442450951, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L130] return x != x; VAL [\old(x)=6442450951, \result=0, one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450951] [L143] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] [L143] COND TRUE !isnan_double(res) [L144] __VERIFIER_error() VAL [one_sqrt=1, res=6442450951, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=6442450953] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 62 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 81 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=62occurred 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, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 07:17:22,779 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 07:17:22,780 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 07:17:22,786 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 07:17:22,786 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 07:17:22,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 07:17:22,787 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 07:17:22,788 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 07:17:22,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 07:17:22,789 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 07:17:22,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 07:17:22,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 07:17:22,790 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 07:17:22,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 07:17:22,791 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 07:17:22,791 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 07:17:22,792 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 07:17:22,793 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 07:17:22,793 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 07:17:22,794 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 07:17:22,795 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 07:17:22,795 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 07:17:22,796 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 07:17:22,796 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 07:17:22,796 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 07:17:22,797 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 07:17:22,798 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 07:17:22,798 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 07:17:22,798 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 07:17:22,799 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 07:17:22,799 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 07:17:22,799 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 07:17:22,799 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 07:17:22,799 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 07:17:22,800 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 07:17:22,800 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 07:17:22,800 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 07:17:22,807 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 07:17:22,808 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 07:17:22,808 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 07:17:22,808 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 07:17:22,808 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 07:17:22,808 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 07:17:22,808 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 07:17:22,809 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 07:17:22,809 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 07:17:22,809 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 07:17:22,809 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 07:17:22,809 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 07:17:22,809 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 07:17:22,809 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 07:17:22,810 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 07:17:22,810 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:17:22,811 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 07:17:22,811 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 07:17:22,812 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_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/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 -> 77a01f137667344720fd98189387bfe86c106b2a [2018-12-02 07:17:22,828 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 07:17:22,836 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 07:17:22,838 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 07:17:22,839 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 07:17:22,839 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 07:17:22,839 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-02 07:17:22,875 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/8571301d1/ca84899aeeef4dbd994d45ab7bbc6ced/FLAGe28708522 [2018-12-02 07:17:23,255 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 07:17:23,255 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/sv-benchmarks/c/float-newlib/double_req_bl_0740_true-unreach-call.c [2018-12-02 07:17:23,259 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/8571301d1/ca84899aeeef4dbd994d45ab7bbc6ced/FLAGe28708522 [2018-12-02 07:17:23,634 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/data/8571301d1/ca84899aeeef4dbd994d45ab7bbc6ced [2018-12-02 07:17:23,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 07:17:23,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 07:17:23,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 07:17:23,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 07:17:23,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 07:17:23,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cdf94f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23, skipping insertion in model container [2018-12-02 07:17:23,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 07:17:23,669 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 07:17:23,775 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:17:23,778 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 07:17:23,803 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 07:17:23,819 INFO L195 MainTranslator]: Completed translation [2018-12-02 07:17:23,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23 WrapperNode [2018-12-02 07:17:23,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 07:17:23,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 07:17:23,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 07:17:23,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 07:17:23,825 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,836 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 07:17:23,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 07:17:23,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 07:17:23,836 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 07:17:23,873 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,873 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,885 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,890 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,892 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... [2018-12-02 07:17:23,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 07:17:23,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 07:17:23,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 07:17:23,895 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 07:17:23,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 07:17:23,934 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 07:17:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 07:17:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 07:17:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 07:17:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 07:17:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 07:17:23,935 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2018-12-02 07:17:23,935 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2018-12-02 07:17:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 07:17:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 07:17:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 07:17:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 07:17:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 07:17:23,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 07:17:23,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 07:17:23,937 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 07:17:24,345 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 07:17:25,894 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 07:17:25,894 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 07:17:25,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:25 BoogieIcfgContainer [2018-12-02 07:17:25,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 07:17:25,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 07:17:25,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 07:17:25,897 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 07:17:25,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:17:23" (1/3) ... [2018-12-02 07:17:25,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf93ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:17:25, skipping insertion in model container [2018-12-02 07:17:25,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:17:23" (2/3) ... [2018-12-02 07:17:25,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bf93ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:17:25, skipping insertion in model container [2018-12-02 07:17:25,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:25" (3/3) ... [2018-12-02 07:17:25,899 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_0740_true-unreach-call.c [2018-12-02 07:17:25,904 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 07:17:25,908 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 07:17:25,917 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 07:17:25,933 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 07:17:25,933 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 07:17:25,934 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 07:17:25,934 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 07:17:25,934 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 07:17:25,934 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 07:17:25,934 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 07:17:25,934 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 07:17:25,934 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 07:17:25,943 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states. [2018-12-02 07:17:25,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 07:17:25,947 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:17:25,947 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:17:25,949 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:17:25,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:17:25,952 INFO L82 PathProgramCache]: Analyzing trace with hash 295214612, now seen corresponding path program 1 times [2018-12-02 07:17:25,954 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:17:25,954 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 07:17:25,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:17:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:17:26,244 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:17:26,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:17:26,256 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:17:26,268 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:17:26,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 07:17:26,270 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 07:17:26,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 07:17:26,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:17:26,279 INFO L87 Difference]: Start difference. First operand 61 states. Second operand 2 states. [2018-12-02 07:17:26,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:17:26,293 INFO L93 Difference]: Finished difference Result 114 states and 170 transitions. [2018-12-02 07:17:26,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 07:17:26,294 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 19 [2018-12-02 07:17:26,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:17:26,300 INFO L225 Difference]: With dead ends: 114 [2018-12-02 07:17:26,301 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 07:17:26,302 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 07:17:26,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 07:17:26,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 07:17:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 07:17:26,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 76 transitions. [2018-12-02 07:17:26,326 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 76 transitions. Word has length 19 [2018-12-02 07:17:26,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:17:26,326 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 76 transitions. [2018-12-02 07:17:26,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 07:17:26,326 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 76 transitions. [2018-12-02 07:17:26,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-02 07:17:26,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:17:26,327 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] [2018-12-02 07:17:26,327 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:17:26,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:17:26,327 INFO L82 PathProgramCache]: Analyzing trace with hash 438908261, now seen corresponding path program 1 times [2018-12-02 07:17:26,327 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:17:26,328 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 07:17:26,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:17:26,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:17:26,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:17:33,550 WARN L180 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 07:17:40,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:17:40,243 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:17:40,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:17:40,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 07:17:40,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 07:17:40,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 07:17:40,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=56, Unknown=1, NotChecked=0, Total=72 [2018-12-02 07:17:40,255 INFO L87 Difference]: Start difference. First operand 57 states and 76 transitions. Second operand 9 states. [2018-12-02 07:17:54,677 WARN L180 SmtUtils]: Spent 4.31 s on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 07:18:11,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:18:11,146 INFO L93 Difference]: Finished difference Result 64 states and 83 transitions. [2018-12-02 07:18:11,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 07:18:11,147 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 20 [2018-12-02 07:18:11,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:18:11,148 INFO L225 Difference]: With dead ends: 64 [2018-12-02 07:18:11,148 INFO L226 Difference]: Without dead ends: 57 [2018-12-02 07:18:11,149 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 27.7s TimeCoverageRelationStatistics Valid=33, Invalid=121, Unknown=2, NotChecked=0, Total=156 [2018-12-02 07:18:11,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-12-02 07:18:11,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-12-02 07:18:11,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-12-02 07:18:11,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2018-12-02 07:18:11,157 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 20 [2018-12-02 07:18:11,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:18:11,157 INFO L480 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2018-12-02 07:18:11,157 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 07:18:11,157 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2018-12-02 07:18:11,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 07:18:11,158 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 07:18:11,158 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 07:18:11,158 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 07:18:11,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 07:18:11,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1464284033, now seen corresponding path program 1 times [2018-12-02 07:18:11,159 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 07:18:11,159 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 07:18:11,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 07:18:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 07:18:11,208 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 07:18:11,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 07:18:11,286 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 07:18:11,294 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 07:18:11,294 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 07:18:11,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 07:18:11,294 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 07:18:11,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 07:18:11,295 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand 6 states. [2018-12-02 07:18:14,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 07:18:14,086 INFO L93 Difference]: Finished difference Result 64 states and 84 transitions. [2018-12-02 07:18:14,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 07:18:14,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 07:18:14,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 07:18:14,088 INFO L225 Difference]: With dead ends: 64 [2018-12-02 07:18:14,088 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 07:18:14,088 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2018-12-02 07:18:14,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 07:18:14,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 07:18:14,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 07:18:14,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 07:18:14,089 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2018-12-02 07:18:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 07:18:14,089 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 07:18:14,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 07:18:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 07:18:14,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 07:18:14,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 07:18:14,311 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 07:18:14,593 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 20 [2018-12-02 07:18:14,594 INFO L451 ceAbstractionStarter]: At program point __ieee754_sqrtENTRY(lines 19 127) the Hoare annotation is: true [2018-12-02 07:18:14,594 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtFINAL(lines 19 127) no Hoare annotation was computed. [2018-12-02 07:18:14,594 INFO L448 ceAbstractionStarter]: For program point L85(lines 85 94) no Hoare annotation was computed. [2018-12-02 07:18:14,594 INFO L448 ceAbstractionStarter]: For program point L85-2(lines 85 94) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 55) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L44-2(lines 44 55) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 113) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L36(lines 36 41) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L444 ceAbstractionStarter]: At program point L69-2(lines 69 79) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L36-2(lines 36 41) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L69-3(lines 69 79) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L444 ceAbstractionStarter]: At program point L45-2(lines 45 49) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L45-3(lines 45 49) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L37(lines 37 40) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L87(lines 87 88) no Hoare annotation was computed. [2018-12-02 07:18:14,595 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 120 125) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L444 ceAbstractionStarter]: At program point L120-2(lines 120 125) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L87-2(lines 87 88) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L120-3(lines 120 125) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 75) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L71-2(lines 71 75) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L39(lines 39 40) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point __ieee754_sqrtEXIT(lines 19 127) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 91) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L90-2(lines 90 91) no Hoare annotation was computed. [2018-12-02 07:18:14,596 INFO L444 ceAbstractionStarter]: At program point L82-2(lines 82 98) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-02 07:18:14,596 INFO L448 ceAbstractionStarter]: For program point L82-3(lines 19 127) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L107(lines 107 112) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 61) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L25-1(lines 25 30) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L58-2(lines 58 61) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L444 ceAbstractionStarter]: At program point L25-2(lines 25 30) the Hoare annotation is: (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L25-3(lines 19 127) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L50-2(lines 50 51) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L444 ceAbstractionStarter]: At program point L50-3(lines 50 51) the Hoare annotation is: (and (= __ieee754_sqrt_~x |__ieee754_sqrt_#in~x|) (exists ((|v_q#valueAsBitvector_2| (_ BitVec 64))) (and (= (fp ((_ extract 63 63) |v_q#valueAsBitvector_2|) ((_ extract 62 52) |v_q#valueAsBitvector_2|) ((_ extract 51 0) |v_q#valueAsBitvector_2|)) |__ieee754_sqrt_#in~x|) (not (= (bvadd (bvand (_ bv2146435072 32) ((_ extract 63 32) |v_q#valueAsBitvector_2|)) (_ bv2148532224 32)) (_ bv0 32)))))) [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L50-4(lines 50 51) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 109) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L108-2(lines 108 109) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L100(lines 100 114) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 118) no Hoare annotation was computed. [2018-12-02 07:18:14,597 INFO L448 ceAbstractionStarter]: For program point L117-2(lines 117 118) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 130) the Hoare annotation is: true [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 130) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 130) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 07:18:14,598 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 144) no Hoare annotation was computed. [2018-12-02 07:18:14,598 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-02 07:18:14,599 INFO L444 ceAbstractionStarter]: At program point L143(line 143) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)))) (and (= .cse0 main_~x~0) (= (fp.add roundNearestTiesToEven (fp.mul roundNearestTiesToEven .cse0 .cse0) .cse0) main_~res~0))) [2018-12-02 07:18:14,599 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 143 146) no Hoare annotation was computed. [2018-12-02 07:18:14,599 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 132 149) the Hoare annotation is: true [2018-12-02 07:18:14,599 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 132 149) no Hoare annotation was computed. [2018-12-02 07:18:14,599 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (= (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 11 53) roundNearestTiesToEven 1.0)) (_ +zero 11 53)) main_~x~0) [2018-12-02 07:18:14,599 INFO L448 ceAbstractionStarter]: For program point L140-1(line 140) no Hoare annotation was computed. [2018-12-02 07:18:14,599 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 132 149) no Hoare annotation was computed. [2018-12-02 07:18:14,602 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,603 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,607 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,608 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,609 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,610 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,611 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,612 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,612 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,612 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,612 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,612 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,613 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:18:14 BoogieIcfgContainer [2018-12-02 07:18:14,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 07:18:14,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 07:18:14,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 07:18:14,615 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 07:18:14,615 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:17:25" (3/4) ... [2018-12-02 07:18:14,617 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 07:18:14,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2018-12-02 07:18:14,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 07:18:14,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 07:18:14,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 07:18:14,625 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2018-12-02 07:18:14,625 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 07:18:14,625 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 07:18:14,642 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 07:18:14,642 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-02 07:18:14,642 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-02 07:18:14,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-02 07:18:14,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-02 07:18:14,643 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) [2018-12-02 07:18:14,659 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_85bd9eb4-ee94-4d1f-a293-2fbbff8ddb9f/bin-2019/utaipan/witness.graphml [2018-12-02 07:18:14,659 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 07:18:14,660 INFO L168 Benchmark]: Toolchain (without parser) took 51019.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 943.4 MB in the beginning and 966.3 MB in the end (delta: -22.9 MB). Peak memory consumption was 119.2 MB. Max. memory is 11.5 GB. [2018-12-02 07:18:14,660 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:18:14,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.09 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. [2018-12-02 07:18:14,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.45 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 07:18:14,661 INFO L168 Benchmark]: Boogie Preprocessor took 58.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. [2018-12-02 07:18:14,661 INFO L168 Benchmark]: RCFGBuilder took 2000.02 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. [2018-12-02 07:18:14,661 INFO L168 Benchmark]: TraceAbstraction took 48719.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.8 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. [2018-12-02 07:18:14,662 INFO L168 Benchmark]: Witness Printer took 45.03 ms. Allocated memory is still 1.2 GB. Free memory was 972.8 MB in the beginning and 966.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-12-02 07:18:14,663 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 175.09 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.45 ms. Allocated memory is still 1.0 GB. Free memory is still 927.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -202.2 MB). Peak memory consumption was 13.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2000.02 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: 30.4 MB). Peak memory consumption was 30.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 48719.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 972.8 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. * Witness Printer took 45.03 ms. Allocated memory is still 1.2 GB. Free memory was 972.8 MB in the beginning and 966.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 144]: 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: 82]: Loop Invariant [2018-12-02 07:18:14,665 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,666 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 50]: Loop Invariant [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,667 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 120]: Loop Invariant [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,668 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 45]: Loop Invariant [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,669 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 69]: Loop Invariant [2018-12-02 07:18:14,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,670 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] [2018-12-02 07:18:14,671 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_q#valueAsBitvector_2,QUANTIFIED] Derived loop invariant: x == \old(x) && (\exists v_q#valueAsBitvector_2 : bv64 :: ~fp~LONGDOUBLE(v_q#valueAsBitvector_2[63:63], v_q#valueAsBitvector_2[62:52], v_q#valueAsBitvector_2[51:0]) == \old(x) && !(~bvadd64(~bvand32(2146435072bv32, v_q#valueAsBitvector_2[63:32]), 2148532224bv32) == 0bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 61 locations, 1 error locations. SAFE Result, 48.6s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 33.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 201 SDtfs, 195 SDslu, 512 SDs, 0 SdLazy, 112 SolverSat, 11 SolverUnsat, 4 SolverUnknown, 0 SolverNotchecked, 18.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 27.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 16 PreInvPairs, 25 NumberOfFragments, 175 HoareAnnotationTreeSize, 16 FomulaSimplifications, 80 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 58 ConstructedInterpolants, 6 QuantifiedInterpolants, 5800 SizeOfPredicates, 7 NumberOfNonLiveVariables, 188 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...