./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1071_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_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/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 922786d1b563f399f230d6bc6e72c1342da4d1a5 ........................................................................................................................................................................................................................................................................................................................ 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_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/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 922786d1b563f399f230d6bc6e72c1342da4d1a5 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:38:07,373 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:38:07,374 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:38:07,380 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:38:07,380 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:38:07,381 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:38:07,381 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:38:07,382 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:38:07,383 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:38:07,383 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:38:07,384 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:38:07,384 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:38:07,384 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:38:07,385 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:38:07,385 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:38:07,386 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:38:07,386 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:38:07,387 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:38:07,388 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:38:07,389 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:38:07,390 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:38:07,390 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:38:07,391 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:38:07,391 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:38:07,392 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:38:07,392 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:38:07,393 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:38:07,393 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:38:07,393 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:38:07,394 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:38:07,394 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:38:07,395 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:38:07,395 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:38:07,395 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:38:07,395 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:38:07,396 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:38:07,396 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:38:07,403 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:38:07,403 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:38:07,404 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:38:07,404 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:38:07,404 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:38:07,404 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:38:07,404 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:38:07,405 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:38:07,405 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:38:07,405 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:38:07,405 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:38:07,405 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:38:07,405 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:38:07,406 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:38:07,406 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:38:07,407 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:38:07,407 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:38:07,407 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:38:07,408 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:38:07,408 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_2addb54b-4e2e-4131-8ff5-f0bae776ea34/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 -> 922786d1b563f399f230d6bc6e72c1342da4d1a5 [2018-12-02 17:38:07,426 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:38:07,435 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:38:07,438 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:38:07,439 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:38:07,439 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:38:07,440 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-02 17:38:07,477 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/d964bf5e6/bb89c9da1c0f44fe89fa12e67d9722d6/FLAGe8db92c61 [2018-12-02 17:38:07,914 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:38:07,915 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-02 17:38:07,918 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/d964bf5e6/bb89c9da1c0f44fe89fa12e67d9722d6/FLAGe8db92c61 [2018-12-02 17:38:07,926 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/d964bf5e6/bb89c9da1c0f44fe89fa12e67d9722d6 [2018-12-02 17:38:07,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:38:07,929 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:38:07,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:38:07,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:38:07,932 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:38:07,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:38:07" (1/1) ... [2018-12-02 17:38:07,934 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70b0ea2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:07, skipping insertion in model container [2018-12-02 17:38:07,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:38:07" (1/1) ... [2018-12-02 17:38:07,938 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:38:07,948 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:38:08,042 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:38:08,044 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:38:08,060 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:38:08,072 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:38:08,072 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08 WrapperNode [2018-12-02 17:38:08,072 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:38:08,073 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:38:08,073 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:38:08,073 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:38:08,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,083 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,087 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:38:08,087 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:38:08,087 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:38:08,087 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:38:08,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,124 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,124 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,135 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... [2018-12-02 17:38:08,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:38:08,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:38:08,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:38:08,138 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:38:08,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:38:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 17:38:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:38:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 17:38:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 17:38:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:38:08,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:38:08,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 17:38:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:38:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:38:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:38:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 17:38:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:38:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:38:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-12-02 17:38:08,171 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-12-02 17:38:08,171 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:38:08,350 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:38:08,350 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 17:38:08,351 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:08 BoogieIcfgContainer [2018-12-02 17:38:08,351 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:38:08,352 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:38:08,352 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:38:08,354 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:38:08,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:38:07" (1/3) ... [2018-12-02 17:38:08,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab18d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:38:08, skipping insertion in model container [2018-12-02 17:38:08,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:08" (2/3) ... [2018-12-02 17:38:08,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ab18d00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:38:08, skipping insertion in model container [2018-12-02 17:38:08,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:08" (3/3) ... [2018-12-02 17:38:08,357 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071_true-unreach-call.c [2018-12-02 17:38:08,363 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:38:08,367 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:38:08,376 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:38:08,394 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:38:08,394 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:38:08,394 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:38:08,394 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:38:08,394 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:38:08,394 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:38:08,394 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:38:08,394 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:38:08,404 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states. [2018-12-02 17:38:08,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:38:08,407 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:08,407 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:08,409 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:08,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:08,412 INFO L82 PathProgramCache]: Analyzing trace with hash -452059413, now seen corresponding path program 1 times [2018-12-02 17:38:08,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:38:08,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:38:08,441 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:08,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:38:08,441 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:38:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:38:08,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:38:08,484 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:38:08,484 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:38:08,484 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:38:08,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:38:08,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:38:08,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:38:08,496 INFO L87 Difference]: Start difference. First operand 37 states. Second operand 2 states. [2018-12-02 17:38:08,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:38:08,508 INFO L93 Difference]: Finished difference Result 66 states and 90 transitions. [2018-12-02 17:38:08,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:38:08,509 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 17:38:08,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:38:08,515 INFO L225 Difference]: With dead ends: 66 [2018-12-02 17:38:08,516 INFO L226 Difference]: Without dead ends: 33 [2018-12-02 17:38:08,518 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:38:08,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-12-02 17:38:08,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-12-02 17:38:08,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-12-02 17:38:08,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2018-12-02 17:38:08,539 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 23 [2018-12-02 17:38:08,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:38:08,539 INFO L480 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2018-12-02 17:38:08,539 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:38:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2018-12-02 17:38:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:38:08,540 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:08,540 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:08,540 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:08,541 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:08,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1570049965, now seen corresponding path program 1 times [2018-12-02 17:38:08,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:38:08,541 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:38:08,542 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:08,542 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:38:08,542 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:38:08,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:38:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:38:08,596 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:38:08,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:38:08 BoogieIcfgContainer [2018-12-02 17:38:08,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:38:08,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:38:08,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:38:08,614 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:38:08,614 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:08" (3/4) ... [2018-12-02 17:38:08,617 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 17:38:08,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:38:08,617 INFO L168 Benchmark]: Toolchain (without parser) took 688.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 957.7 MB in the beginning and 999.3 MB in the end (delta: -41.6 MB). Peak memory consumption was 25.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:08,618 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:38:08,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.83 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:08,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.35 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:08,619 INFO L168 Benchmark]: Boogie Preprocessor took 50.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:08,619 INFO L168 Benchmark]: RCFGBuilder took 213.49 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:08,620 INFO L168 Benchmark]: TraceAbstraction took 261.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:08,620 INFO L168 Benchmark]: Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 999.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:38:08,622 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 142.83 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 947.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 14.35 ms. Allocated memory is still 1.0 GB. Free memory was 947.0 MB in the beginning and 941.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.1 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -115.6 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 213.49 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 261.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 999.3 MB in the end (delta: 38.3 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.84 ms. Allocated memory is still 1.1 GB. Free memory is still 999.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 74]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 15, overapproximation of someBinaryArithmeticDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 28. Possible FailurePath: [L68] double x = 0.0 / 0.0; [L70] CALL, EXPR trunc_double(x) VAL [\old(x)=9] [L18] int signbit; [L19] int msw; [L20] unsigned int lsw; [L21] int exponent_less_1023; VAL [\old(x)=9, x=9] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (msw) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (lsw) = ew_u.parts.lsw [L28] signbit = msw & 0x80000000 [L29] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L30] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L47] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L48] COND TRUE exponent_less_1023 == 1024 [L49] return x + x; VAL [\old(x)=9, exponent_less_1023=1024, lsw=13, msw=3, signbit=-1, x=9] [L70] RET, EXPR trunc_double(x) VAL [trunc_double(x)=16, x=9] [L70] double res = trunc_double(x); [L73] CALL, EXPR isnan_double(res) VAL [\old(x)=16] [L15] return x != x; VAL [\old(x)=16, \result=0, x=16] [L73] RET, EXPR isnan_double(res) VAL [isnan_double(res)=0, res=16, x=9] [L73] COND TRUE !isnan_double(res) [L74] __VERIFIER_error() VAL [res=16, x=9] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 37 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 40 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=37occurred 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, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:38:09,943 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:38:09,944 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:38:09,950 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:38:09,951 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:38:09,951 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:38:09,952 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:38:09,953 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:38:09,954 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:38:09,955 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:38:09,955 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:38:09,956 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:38:09,956 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:38:09,957 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:38:09,958 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:38:09,958 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:38:09,959 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:38:09,960 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:38:09,961 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:38:09,962 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:38:09,962 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:38:09,963 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:38:09,965 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:38:09,965 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:38:09,965 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:38:09,965 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:38:09,966 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:38:09,966 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:38:09,967 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:38:09,968 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:38:09,968 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:38:09,968 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:38:09,968 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:38:09,969 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:38:09,969 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:38:09,970 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:38:09,970 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 17:38:09,980 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:38:09,980 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:38:09,981 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:38:09,981 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:38:09,981 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:38:09,981 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:38:09,981 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:38:09,981 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:38:09,982 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:38:09,982 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:38:09,982 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:38:09,983 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 17:38:09,984 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 17:38:09,984 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:38:09,984 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:38:09,984 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:38:09,984 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:38:09,984 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:38:09,985 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:38:09,985 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:38:09,985 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:38:09,985 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:38:09,985 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:38:09,985 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:38:09,986 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:38:09,986 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 17:38:09,986 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:38:09,986 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 17:38:09,986 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 17:38:09,986 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_2addb54b-4e2e-4131-8ff5-f0bae776ea34/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 -> 922786d1b563f399f230d6bc6e72c1342da4d1a5 [2018-12-02 17:38:10,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:38:10,019 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:38:10,021 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:38:10,022 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:38:10,023 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:38:10,023 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-02 17:38:10,064 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/cbdcb51e4/3190402a9b60404296c0f4481e7b22e0/FLAGcf6149ab2 [2018-12-02 17:38:10,484 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:38:10,485 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/sv-benchmarks/c/float-newlib/double_req_bl_1071_true-unreach-call.c [2018-12-02 17:38:10,488 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/cbdcb51e4/3190402a9b60404296c0f4481e7b22e0/FLAGcf6149ab2 [2018-12-02 17:38:10,496 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/data/cbdcb51e4/3190402a9b60404296c0f4481e7b22e0 [2018-12-02 17:38:10,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:38:10,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:38:10,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:38:10,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:38:10,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:38:10,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69e2f300 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10, skipping insertion in model container [2018-12-02 17:38:10,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:38:10,518 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:38:10,628 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:38:10,632 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:38:10,654 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:38:10,673 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:38:10,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10 WrapperNode [2018-12-02 17:38:10,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:38:10,674 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:38:10,674 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:38:10,674 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:38:10,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:38:10,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:38:10,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:38:10,691 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:38:10,697 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,697 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,700 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,700 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... [2018-12-02 17:38:10,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:38:10,721 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:38:10,721 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:38:10,721 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:38:10,722 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:38:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2018-12-02 17:38:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2018-12-02 17:38:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 17:38:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:38:10,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:38:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:38:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 17:38:10,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 17:38:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:38:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:38:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:38:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:38:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure trunc_double [2018-12-02 17:38:10,785 INFO L138 BoogieDeclarations]: Found implementation of procedure trunc_double [2018-12-02 17:38:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 17:38:10,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:38:11,005 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:38:11,035 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:38:11,036 INFO L280 CfgBuilder]: Removed 8 assue(true) statements. [2018-12-02 17:38:11,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:11 BoogieIcfgContainer [2018-12-02 17:38:11,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:38:11,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:38:11,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:38:11,038 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:38:11,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:38:10" (1/3) ... [2018-12-02 17:38:11,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144b30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:38:11, skipping insertion in model container [2018-12-02 17:38:11,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:38:10" (2/3) ... [2018-12-02 17:38:11,039 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@144b30b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:38:11, skipping insertion in model container [2018-12-02 17:38:11,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:11" (3/3) ... [2018-12-02 17:38:11,040 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1071_true-unreach-call.c [2018-12-02 17:38:11,045 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:38:11,049 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:38:11,062 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:38:11,078 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:38:11,078 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:38:11,078 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:38:11,078 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:38:11,079 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:38:11,079 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:38:11,079 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:38:11,079 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:38:11,079 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:38:11,088 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states. [2018-12-02 17:38:11,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 17:38:11,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:11,091 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:11,092 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:11,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:11,095 INFO L82 PathProgramCache]: Analyzing trace with hash -667271772, now seen corresponding path program 1 times [2018-12-02 17:38:11,098 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:38:11,098 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 17:38:11,102 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:38:11,169 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:38:11,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:38:11,180 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:38:11,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:38:11,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:38:11,191 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:38:11,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:38:11,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:38:11,199 INFO L87 Difference]: Start difference. First operand 36 states. Second operand 2 states. [2018-12-02 17:38:11,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:38:11,211 INFO L93 Difference]: Finished difference Result 64 states and 88 transitions. [2018-12-02 17:38:11,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:38:11,212 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 17:38:11,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:38:11,217 INFO L225 Difference]: With dead ends: 64 [2018-12-02 17:38:11,218 INFO L226 Difference]: Without dead ends: 32 [2018-12-02 17:38:11,219 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:38:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-12-02 17:38:11,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-12-02 17:38:11,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-02 17:38:11,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 35 transitions. [2018-12-02 17:38:11,241 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 35 transitions. Word has length 22 [2018-12-02 17:38:11,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:38:11,242 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 35 transitions. [2018-12-02 17:38:11,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:38:11,242 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 35 transitions. [2018-12-02 17:38:11,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:38:11,242 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:11,242 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:11,242 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:11,243 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:11,243 INFO L82 PathProgramCache]: Analyzing trace with hash 1969483353, now seen corresponding path program 1 times [2018-12-02 17:38:11,243 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:38:11,243 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 17:38:11,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:11,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:38:11,315 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:38:12,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:38:12,174 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:38:12,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:38:12,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:38:12,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:38:12,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:38:12,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:38:12,183 INFO L87 Difference]: Start difference. First operand 32 states and 35 transitions. Second operand 9 states. [2018-12-02 17:38:13,549 WARN L180 SmtUtils]: Spent 568.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 17:38:14,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:38:14,461 INFO L93 Difference]: Finished difference Result 42 states and 45 transitions. [2018-12-02 17:38:14,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:38:14,462 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2018-12-02 17:38:14,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:38:14,464 INFO L225 Difference]: With dead ends: 42 [2018-12-02 17:38:14,464 INFO L226 Difference]: Without dead ends: 35 [2018-12-02 17:38:14,464 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:38:14,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-12-02 17:38:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 32. [2018-12-02 17:38:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-12-02 17:38:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 34 transitions. [2018-12-02 17:38:14,470 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 34 transitions. Word has length 23 [2018-12-02 17:38:14,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:38:14,470 INFO L480 AbstractCegarLoop]: Abstraction has 32 states and 34 transitions. [2018-12-02 17:38:14,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:38:14,470 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 34 transitions. [2018-12-02 17:38:14,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:38:14,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:14,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:14,471 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:14,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:14,471 INFO L82 PathProgramCache]: Analyzing trace with hash -1200957863, now seen corresponding path program 1 times [2018-12-02 17:38:14,472 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:38:14,472 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 17:38:14,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:14,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:38:14,508 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:38:14,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:38:14,617 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:38:14,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:38:14,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 17:38:14,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 17:38:14,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 17:38:14,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 17:38:14,625 INFO L87 Difference]: Start difference. First operand 32 states and 34 transitions. Second operand 9 states. [2018-12-02 17:38:14,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:38:14,982 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-12-02 17:38:14,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:38:14,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 24 [2018-12-02 17:38:14,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:38:14,983 INFO L225 Difference]: With dead ends: 40 [2018-12-02 17:38:14,983 INFO L226 Difference]: Without dead ends: 31 [2018-12-02 17:38:14,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 17:38:14,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-12-02 17:38:14,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-12-02 17:38:14,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-12-02 17:38:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-12-02 17:38:14,986 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 24 [2018-12-02 17:38:14,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:38:14,986 INFO L480 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-12-02 17:38:14,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 17:38:14,986 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-12-02 17:38:14,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:38:14,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:14,987 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:14,987 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:14,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:14,987 INFO L82 PathProgramCache]: Analyzing trace with hash 505464083, now seen corresponding path program 1 times [2018-12-02 17:38:14,988 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:38:14,988 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 17:38:14,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:15,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:38:15,034 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:38:15,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:38:15,171 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:38:15,178 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:38:15,179 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 17:38:15,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 17:38:15,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 17:38:15,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-12-02 17:38:15,179 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 8 states. [2018-12-02 17:38:15,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:38:15,803 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-12-02 17:38:15,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 17:38:15,804 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-12-02 17:38:15,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:38:15,804 INFO L225 Difference]: With dead ends: 42 [2018-12-02 17:38:15,804 INFO L226 Difference]: Without dead ends: 28 [2018-12-02 17:38:15,805 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-02 17:38:15,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-12-02 17:38:15,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-12-02 17:38:15,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-12-02 17:38:15,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-12-02 17:38:15,808 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 25 [2018-12-02 17:38:15,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:38:15,808 INFO L480 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-12-02 17:38:15,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 17:38:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-12-02 17:38:15,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:38:15,809 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:38:15,809 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:38:15,809 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:38:15,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:38:15,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1157487195, now seen corresponding path program 1 times [2018-12-02 17:38:15,809 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:38:15,809 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 17:38:15,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:38:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:38:15,854 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:38:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:38:15,943 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:38:15,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:38:15,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:38:15,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:38:15,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:38:15,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:38:15,951 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 7 states. [2018-12-02 17:38:16,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:38:16,353 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-12-02 17:38:16,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:38:16,354 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-12-02 17:38:16,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:38:16,354 INFO L225 Difference]: With dead ends: 28 [2018-12-02 17:38:16,354 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:38:16,355 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:38:16,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:38:16,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:38:16,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:38:16,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:38:16,355 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2018-12-02 17:38:16,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:38:16,355 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:38:16,355 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:38:16,356 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:38:16,356 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:38:16,358 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:38:16,633 INFO L451 ceAbstractionStarter]: At program point isnan_doubleENTRY(line 15) the Hoare annotation is: true [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point isnan_doubleEXIT(line 15) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point isnan_doubleFINAL(line 15) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 17:38:16,634 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 62 79) the Hoare annotation is: true [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 74) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 62 79) no Hoare annotation was computed. [2018-12-02 17:38:16,634 INFO L448 ceAbstractionStarter]: For program point L74(line 74) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L444 ceAbstractionStarter]: At program point L73(line 73) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53)))) (and (= main_~x~0 .cse0) (= main_~res~0 .cse0))) [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 62 79) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L73-1(lines 73 76) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L444 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven (_ +zero 11 53) (_ +zero 11 53))) [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L70-1(line 70) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 46) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L52-1(lines 52 57) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L444 ceAbstractionStarter]: At program point L52-2(lines 52 57) the Hoare annotation is: (and (exists ((v_prenex_5 (_ BitVec 64))) (let ((.cse0 (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32)) (_ bv4294966273 32)))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (not (bvslt .cse0 (_ bv20 32))) (not (bvsgt .cse0 (_ bv51 32)))))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= ((_ extract 63 32) v_prenex_5) trunc_double_~msw~0) (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|)) [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L52-3(lines 30 58) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L48(lines 48 50) no Hoare annotation was computed. [2018-12-02 17:38:16,635 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 32 37) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L444 ceAbstractionStarter]: At program point L32-2(lines 32 37) the Hoare annotation is: (and (exists ((v_prenex_6 (_ BitVec 64))) (and (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_6)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_6 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_6)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|)))) [2018-12-02 17:38:16,636 INFO L451 ceAbstractionStarter]: At program point trunc_doubleENTRY(lines 17 60) the Hoare annotation is: true [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point trunc_doubleEXIT(lines 17 60) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point trunc_doubleFINAL(lines 17 60) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 58) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (= trunc_double_~x |trunc_double_#in~x|) [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 58) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 39 45) no Hoare annotation was computed. [2018-12-02 17:38:16,636 INFO L444 ceAbstractionStarter]: At program point L39-2(lines 39 45) the Hoare annotation is: (and (exists ((v_prenex_6 (_ BitVec 64))) (and (bvslt (bvadd (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_6)) (_ bv20 32)) (_ bv4294966273 32)) (_ bv20 32)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|))) (exists ((v_prenex_5 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_prenex_5) ((_ extract 62 52) v_prenex_5) ((_ extract 51 0) v_prenex_5)) |trunc_double_#in~x|) (= (bvadd trunc_double_~exponent_less_1023~0 (_ bv1023 32)) (bvashr (bvand (_ bv2146435072 32) ((_ extract 63 32) v_prenex_5)) (_ bv20 32))))) (= trunc_double_~x |trunc_double_#in~x|) (exists ((v_prenex_6 (_ BitVec 64))) (and (= trunc_double_~msw~0 ((_ extract 63 32) v_prenex_6)) (= (fp ((_ extract 63 63) v_prenex_6) ((_ extract 62 52) v_prenex_6) ((_ extract 51 0) v_prenex_6)) |trunc_double_#in~x|)))) [2018-12-02 17:38:16,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,640 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,641 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,641 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,641 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,641 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,641 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,641 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,642 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,646 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,647 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,648 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,649 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,650 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,651 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,652 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,653 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,654 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,655 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,656 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,657 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:38:16 BoogieIcfgContainer [2018-12-02 17:38:16,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:38:16,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:38:16,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:38:16,658 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:38:16,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:38:11" (3/4) ... [2018-12-02 17:38:16,660 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:38:16,664 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isnan_double [2018-12-02 17:38:16,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:38:16,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:38:16,665 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure trunc_double [2018-12-02 17:38:16,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 17:38:16,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 17:38:16,668 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:38:16,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-12-02 17:38:16,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) [2018-12-02 17:38:16,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) [2018-12-02 17:38:16,684 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\exists v_prenex_5 : bv64 :: (~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 20bv32)) && !~bvsgt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 51bv32)) && (\exists v_prenex_5 : bv64 :: v_prenex_5[63:32] == msw && ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x))) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x) [2018-12-02 17:38:16,696 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2addb54b-4e2e-4131-8ff5-f0bae776ea34/bin-2019/utaipan/witness.graphml [2018-12-02 17:38:16,696 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:38:16,696 INFO L168 Benchmark]: Toolchain (without parser) took 6198.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Free memory was 944.7 MB in the beginning and 805.8 MB in the end (delta: 138.9 MB). Peak memory consumption was 204.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:16,697 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:38:16,697 INFO L168 Benchmark]: CACSL2BoogieTranslator took 175.00 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:16,697 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.77 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 17:38:16,697 INFO L168 Benchmark]: Boogie Preprocessor took 29.29 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 17:38:16,698 INFO L168 Benchmark]: RCFGBuilder took 315.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -97.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:16,698 INFO L168 Benchmark]: TraceAbstraction took 5621.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 813.1 MB in the end (delta: 211.8 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:16,698 INFO L168 Benchmark]: Witness Printer took 38.26 ms. Allocated memory is still 1.1 GB. Free memory was 813.1 MB in the beginning and 805.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:38:16,699 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 175.00 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 927.3 MB in the end (delta: 17.4 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.77 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 29.29 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. * RCFGBuilder took 315.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 65.5 MB). Free memory was 927.3 MB in the beginning and 1.0 GB in the end (delta: -97.7 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5621.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 813.1 MB in the end (delta: 211.8 MB). Peak memory consumption was 211.8 MB. Max. memory is 11.5 GB. * Witness Printer took 38.26 ms. Allocated memory is still 1.1 GB. Free memory was 813.1 MB in the beginning and 805.8 MB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 74]: 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: 52]: Loop Invariant [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,703 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,704 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,705 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_5 : bv64 :: (~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && !~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 20bv32)) && !~bvsgt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32), 4294966273bv32), 51bv32)) && (\exists v_prenex_5 : bv64 :: v_prenex_5[63:32] == msw && ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x))) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x) - InvariantResult [Line: 32]: Loop Invariant [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,706 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,707 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,708 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) - InvariantResult [Line: 39]: Loop Invariant [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,709 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,710 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_5,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] [2018-12-02 17:38:16,711 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_6,QUANTIFIED] Derived loop invariant: (((\exists v_prenex_6 : bv64 :: ~bvslt32(~bvadd64(~bvashr32(~bvand32(2146435072bv32, v_prenex_6[63:32]), 20bv32), 4294966273bv32), 20bv32) && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) && (\exists v_prenex_5 : bv64 :: ~fp~LONGDOUBLE(v_prenex_5[63:63], v_prenex_5[62:52], v_prenex_5[51:0]) == \old(x) && ~bvadd64(exponent_less_1023, 1023bv32) == ~bvashr32(~bvand32(2146435072bv32, v_prenex_5[63:32]), 20bv32))) && x == \old(x)) && (\exists v_prenex_6 : bv64 :: msw == v_prenex_6[63:32] && ~fp~LONGDOUBLE(v_prenex_6[63:63], v_prenex_6[62:52], v_prenex_6[51:0]) == \old(x)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: x == \old(x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 36 locations, 1 error locations. SAFE Result, 5.5s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 133 SDtfs, 89 SDslu, 488 SDs, 0 SdLazy, 175 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 16 PreInvPairs, 22 NumberOfFragments, 223 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 92 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 119 NumberOfCodeBlocks, 119 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 114 ConstructedInterpolants, 18 QuantifiedInterpolants, 16023 SizeOfPredicates, 16 NumberOfNonLiveVariables, 317 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...