./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a_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_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 8be2489bdcd97218605067fa4593696f9050abdf ..................................................................................................................................................................................................................................................................................................................... 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_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1092a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 8be2489bdcd97218605067fa4593696f9050abdf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 14:33:37,426 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:33:37,427 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:33:37,434 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:33:37,434 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:33:37,435 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:33:37,435 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:33:37,436 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:33:37,437 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:33:37,438 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:33:37,438 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:33:37,439 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:33:37,439 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:33:37,440 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:33:37,441 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:33:37,441 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:33:37,442 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:33:37,443 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:33:37,444 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:33:37,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:33:37,446 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:33:37,447 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:33:37,448 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:33:37,448 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:33:37,449 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:33:37,449 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:33:37,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:33:37,450 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:33:37,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:33:37,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:33:37,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:33:37,452 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:33:37,452 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:33:37,452 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:33:37,453 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:33:37,453 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:33:37,453 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:33:37,464 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:33:37,464 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:33:37,464 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:33:37,464 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:33:37,465 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:33:37,465 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:33:37,466 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:33:37,466 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:33:37,466 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:33:37,466 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:33:37,466 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:33:37,467 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:33:37,467 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:33:37,468 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:33:37,468 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:33:37,468 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_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2018-12-02 14:33:37,490 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:33:37,497 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:33:37,499 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:33:37,500 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:33:37,500 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:33:37,500 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a_true-unreach-call.c [2018-12-02 14:33:37,535 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/0f2c8cef7/675226ae896f4b618db437aa93c5ccc8/FLAG3037ba736 [2018-12-02 14:33:37,881 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:33:37,882 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/sv-benchmarks/c/float-newlib/double_req_bl_1092a_true-unreach-call.c [2018-12-02 14:33:37,885 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/0f2c8cef7/675226ae896f4b618db437aa93c5ccc8/FLAG3037ba736 [2018-12-02 14:33:38,265 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/0f2c8cef7/675226ae896f4b618db437aa93c5ccc8 [2018-12-02 14:33:38,266 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:33:38,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:33:38,268 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:38,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:33:38,270 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:33:38,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f81737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38, skipping insertion in model container [2018-12-02 14:33:38,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:33:38,287 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:33:38,377 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:38,379 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:33:38,397 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:38,409 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:33:38,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38 WrapperNode [2018-12-02 14:33:38,409 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:38,410 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:38,410 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:33:38,410 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:33:38,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,452 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:38,452 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:33:38,452 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:33:38,452 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:33:38,458 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... [2018-12-02 14:33:38,470 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:33:38,470 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:33:38,470 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:33:38,471 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:33:38,471 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 14:33:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 14:33:38,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:33:38,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-12-02 14:33:38,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:33:38,501 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:33:38,501 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:33:38,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:33:38,643 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:33:38,643 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 14:33:38,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:38 BoogieIcfgContainer [2018-12-02 14:33:38,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:33:38,644 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:33:38,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:33:38,645 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:33:38,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:33:38" (1/3) ... [2018-12-02 14:33:38,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8869ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:38, skipping insertion in model container [2018-12-02 14:33:38,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:38" (2/3) ... [2018-12-02 14:33:38,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c8869ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:38, skipping insertion in model container [2018-12-02 14:33:38,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:38" (3/3) ... [2018-12-02 14:33:38,647 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a_true-unreach-call.c [2018-12-02 14:33:38,653 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:33:38,657 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:33:38,666 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:33:38,682 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:33:38,682 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:33:38,682 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:33:38,683 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:33:38,683 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:33:38,683 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:33:38,683 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:33:38,683 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:33:38,692 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-02 14:33:38,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:33:38,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:38,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:33:38,698 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:38,701 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:38,701 INFO L82 PathProgramCache]: Analyzing trace with hash 593324774, now seen corresponding path program 1 times [2018-12-02 14:33:38,702 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:33:38,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:33:38,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:38,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:33:38,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:33:38,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:33:38,776 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 14:33:38,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:33:38,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:33:38,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:33:38,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:33:38,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:33:38,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:33:38,789 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-02 14:33:38,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:33:38,801 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2018-12-02 14:33:38,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:33:38,802 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-02 14:33:38,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:33:38,809 INFO L225 Difference]: With dead ends: 76 [2018-12-02 14:33:38,809 INFO L226 Difference]: Without dead ends: 38 [2018-12-02 14:33:38,811 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 14:33:38,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-02 14:33:38,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-02 14:33:38,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 14:33:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2018-12-02 14:33:38,832 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2018-12-02 14:33:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:33:38,832 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2018-12-02 14:33:38,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:33:38,833 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-02 14:33:38,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 14:33:38,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:38,834 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:33:38,834 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:38,834 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:38,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1268028223, now seen corresponding path program 1 times [2018-12-02 14:33:38,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:33:38,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:33:38,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:38,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:33:38,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:33:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:33:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 14:33:38,890 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 14:33:38,908 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:33:38 BoogieIcfgContainer [2018-12-02 14:33:38,908 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:33:38,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:33:38,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:33:38,908 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:33:38,908 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:38" (3/4) ... [2018-12-02 14:33:38,911 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 14:33:38,911 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:33:38,911 INFO L168 Benchmark]: Toolchain (without parser) took 644.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -102.2 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:38,912 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:33:38,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 141.45 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:38,913 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:38,913 INFO L168 Benchmark]: Boogie Preprocessor took 18.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:38,914 INFO L168 Benchmark]: RCFGBuilder took 172.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:38,914 INFO L168 Benchmark]: TraceAbstraction took 264.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:38,915 INFO L168 Benchmark]: Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:33:38,917 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 141.45 ms. Allocated memory is still 1.0 GB. Free memory was 952.4 MB in the beginning and 936.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 936.3 MB in the beginning and 1.1 GB in the end (delta: -175.6 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 172.98 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 264.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 96]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of shiftRight at line 41, overapproximation of bitwiseOr at line 42, overapproximation of someUnaryDOUBLEoperation at line 91, overapproximation of bitwiseAnd at line 28, overapproximation of someBinaryDOUBLEComparisonOperation at line 95. Possible FailurePath: [L17] static const double huge_ceil = 1.0e300; VAL [\old(huge_ceil)=10737418244, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L91] double x = -0.0; VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L92] CALL, EXPR ceil_double(x) VAL [\old(x)=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L20] __int32_t i0, i1, j0; [L21] __uint32_t i, j; VAL [\old(x)=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418245] [L23] ieee_double_shape_type ew_u; [L24] ew_u.value = (x) [L25] EXPR ew_u.parts.msw [L25] (i0) = ew_u.parts.msw [L26] EXPR ew_u.parts.lsw [L26] (i1) = ew_u.parts.lsw [L28] j0 = ((i0 >> 20) & 0x7ff) - 0x3ff VAL [\old(x)=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=-2147483648, x=10737418245] [L29] COND TRUE j0 < 20 VAL [\old(x)=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=-2147483648, j0=0, x=10737418245] [L30] COND FALSE !(j0 < 0) [L41] i = (0x000fffff) >> j0 VAL [\old(x)=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=-2147483648, j0=0, x=10737418245] [L42] COND TRUE ((i0 & i) | i1) == 0 [L43] return x; VAL [\old(x)=10737418245, \result=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, i0=-2147483648, i1=-2147483648, j0=0, x=10737418245] [L92] RET, EXPR ceil_double(x) VAL [ceil_double(x)=10737418245, huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=10737418245] [L92] double res = ceil_double(x); [L95] COND TRUE res != x VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=10737418245, x=10737418245] [L96] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, res=10737418245, x=10737418245] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 56 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=42occurred 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, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 289 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 14:33:40,195 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:33:40,197 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:33:40,206 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:33:40,206 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:33:40,206 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:33:40,207 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:33:40,209 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:33:40,210 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:33:40,210 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:33:40,211 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:33:40,211 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:33:40,212 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:33:40,212 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:33:40,213 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:33:40,214 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:33:40,214 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:33:40,215 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:33:40,217 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:33:40,218 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:33:40,219 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:33:40,219 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:33:40,221 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:33:40,221 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:33:40,221 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:33:40,222 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:33:40,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:33:40,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:33:40,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:33:40,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:33:40,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:33:40,225 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:33:40,225 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:33:40,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:33:40,226 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:33:40,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:33:40,227 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 14:33:40,237 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:33:40,237 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:33:40,238 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:33:40,238 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:33:40,238 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:33:40,239 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:33:40,239 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:33:40,239 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:33:40,239 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:33:40,239 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:33:40,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:33:40,240 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:33:40,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:33:40,241 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:33:40,241 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:33:40,242 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:33:40,242 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:33:40,242 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 14:33:40,242 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:33:40,242 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 14:33:40,242 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 14:33:40,242 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_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 -> 8be2489bdcd97218605067fa4593696f9050abdf [2018-12-02 14:33:40,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:33:40,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:33:40,272 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:33:40,273 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:33:40,274 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:33:40,274 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_1092a_true-unreach-call.c [2018-12-02 14:33:40,317 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/450dae9d7/fe5ebe930f244314821fb0112e879798/FLAGdcd13447f [2018-12-02 14:33:40,694 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:33:40,695 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/sv-benchmarks/c/float-newlib/double_req_bl_1092a_true-unreach-call.c [2018-12-02 14:33:40,699 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/450dae9d7/fe5ebe930f244314821fb0112e879798/FLAGdcd13447f [2018-12-02 14:33:40,707 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/data/450dae9d7/fe5ebe930f244314821fb0112e879798 [2018-12-02 14:33:40,708 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:33:40,709 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:33:40,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:40,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:33:40,712 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:33:40,712 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,714 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60b01ddb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40, skipping insertion in model container [2018-12-02 14:33:40,714 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,718 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:33:40,729 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:33:40,824 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:40,828 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:33:40,846 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:33:40,863 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:33:40,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40 WrapperNode [2018-12-02 14:33:40,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:33:40,864 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:40,864 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:33:40,864 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:33:40,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,875 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,880 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:33:40,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:33:40,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:33:40,880 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:33:40,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,888 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,888 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,895 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... [2018-12-02 14:33:40,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:33:40,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:33:40,930 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:33:40,930 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:33:40,931 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2018-12-02 14:33:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:33:40,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:33:40,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 14:33:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 14:33:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2018-12-02 14:33:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure ceil_double [2018-12-02 14:33:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ceil_double [2018-12-02 14:33:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:33:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:33:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:33:40,962 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:33:40,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 14:33:40,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 14:33:41,129 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 14:33:41,706 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:33:41,706 INFO L280 CfgBuilder]: Removed 4 assue(true) statements. [2018-12-02 14:33:41,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:41 BoogieIcfgContainer [2018-12-02 14:33:41,706 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:33:41,707 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:33:41,707 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:33:41,708 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:33:41,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:33:40" (1/3) ... [2018-12-02 14:33:41,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490c40ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:41, skipping insertion in model container [2018-12-02 14:33:41,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:33:40" (2/3) ... [2018-12-02 14:33:41,709 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@490c40ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:33:41, skipping insertion in model container [2018-12-02 14:33:41,709 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:41" (3/3) ... [2018-12-02 14:33:41,710 INFO L112 eAbstractionObserver]: Analyzing ICFG double_req_bl_1092a_true-unreach-call.c [2018-12-02 14:33:41,716 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:33:41,720 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:33:41,729 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:33:41,746 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 14:33:41,746 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:33:41,746 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:33:41,746 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:33:41,746 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:33:41,746 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:33:41,746 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:33:41,747 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:33:41,747 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:33:41,755 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states. [2018-12-02 14:33:41,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-02 14:33:41,759 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:41,759 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:33:41,760 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:41,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:41,763 INFO L82 PathProgramCache]: Analyzing trace with hash 593324774, now seen corresponding path program 1 times [2018-12-02 14:33:41,766 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:33:41,766 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:41,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:41,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:33:41,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:33:41,817 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 14:33:41,817 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:33:41,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:33:41,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 14:33:41,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 14:33:41,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 14:33:41,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 14:33:41,835 INFO L87 Difference]: Start difference. First operand 42 states. Second operand 2 states. [2018-12-02 14:33:41,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:33:41,847 INFO L93 Difference]: Finished difference Result 76 states and 114 transitions. [2018-12-02 14:33:41,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 14:33:41,848 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-12-02 14:33:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:33:41,854 INFO L225 Difference]: With dead ends: 76 [2018-12-02 14:33:41,854 INFO L226 Difference]: Without dead ends: 38 [2018-12-02 14:33:41,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 14:33:41,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-12-02 14:33:41,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-12-02 14:33:41,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-12-02 14:33:41,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 52 transitions. [2018-12-02 14:33:41,878 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 52 transitions. Word has length 18 [2018-12-02 14:33:41,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:33:41,879 INFO L480 AbstractCegarLoop]: Abstraction has 38 states and 52 transitions. [2018-12-02 14:33:41,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 14:33:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 52 transitions. [2018-12-02 14:33:41,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 14:33:41,879 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:41,879 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:33:41,879 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:41,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:41,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1268028223, now seen corresponding path program 1 times [2018-12-02 14:33:41,880 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:33:41,880 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:41,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:33:41,922 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:33:42,031 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 14:33:42,031 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:33:42,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:33:42,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 14:33:42,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 14:33:42,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 14:33:42,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:33:42,043 INFO L87 Difference]: Start difference. First operand 38 states and 52 transitions. Second operand 7 states. [2018-12-02 14:33:44,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:33:44,553 INFO L93 Difference]: Finished difference Result 62 states and 75 transitions. [2018-12-02 14:33:44,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 14:33:44,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-12-02 14:33:44,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:33:44,555 INFO L225 Difference]: With dead ends: 62 [2018-12-02 14:33:44,555 INFO L226 Difference]: Without dead ends: 30 [2018-12-02 14:33:44,556 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2018-12-02 14:33:44,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-12-02 14:33:44,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2018-12-02 14:33:44,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-02 14:33:44,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2018-12-02 14:33:44,559 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 19 [2018-12-02 14:33:44,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:33:44,559 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2018-12-02 14:33:44,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 14:33:44,559 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2018-12-02 14:33:44,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 14:33:44,560 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:44,560 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 14:33:44,560 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:44,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:44,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1067163641, now seen corresponding path program 1 times [2018-12-02 14:33:44,561 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:33:44,561 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:44,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:33:44,655 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:33:46,435 WARN L180 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-12-02 14:33:46,439 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 14:33:46,440 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:33:46,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:33:46,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:33:46,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:33:46,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:33:46,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:33:46,452 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 6 states. [2018-12-02 14:33:49,367 WARN L180 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 13 [2018-12-02 14:33:50,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:33:50,250 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-12-02 14:33:50,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:33:50,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2018-12-02 14:33:50,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:33:50,258 INFO L225 Difference]: With dead ends: 34 [2018-12-02 14:33:50,258 INFO L226 Difference]: Without dead ends: 25 [2018-12-02 14:33:50,258 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:33:50,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-02 14:33:50,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-02 14:33:50,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-02 14:33:50,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2018-12-02 14:33:50,260 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 22 [2018-12-02 14:33:50,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:33:50,260 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2018-12-02 14:33:50,261 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:33:50,261 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2018-12-02 14:33:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 14:33:50,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:50,261 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 14:33:50,261 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:50,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:50,261 INFO L82 PathProgramCache]: Analyzing trace with hash -232086029, now seen corresponding path program 1 times [2018-12-02 14:33:50,262 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:33:50,262 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:50,265 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:50,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:33:50,356 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:33:50,380 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 39 [2018-12-02 14:33:50,382 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 36 [2018-12-02 14:33:50,392 INFO L478 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 15 [2018-12-02 14:33:50,392 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-12-02 14:33:50,397 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 14:33:50,399 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-02 14:33:50,401 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-12-02 14:33:50,401 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:45, output treesize:15 [2018-12-02 14:33:50,459 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 14:33:50,459 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:33:50,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:33:50,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 14:33:50,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 14:33:50,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 14:33:50,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-12-02 14:33:50,469 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 8 states. [2018-12-02 14:33:50,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:33:50,705 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-12-02 14:33:50,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 14:33:50,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-12-02 14:33:50,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:33:50,706 INFO L225 Difference]: With dead ends: 34 [2018-12-02 14:33:50,706 INFO L226 Difference]: Without dead ends: 25 [2018-12-02 14:33:50,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:33:50,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-12-02 14:33:50,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-12-02 14:33:50,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-12-02 14:33:50,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-12-02 14:33:50,708 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-12-02 14:33:50,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:33:50,708 INFO L480 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-12-02 14:33:50,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 14:33:50,709 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-12-02 14:33:50,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:33:50,709 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:33:50,709 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 14:33:50,709 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:33:50,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:33:50,709 INFO L82 PathProgramCache]: Analyzing trace with hash 785443165, now seen corresponding path program 1 times [2018-12-02 14:33:50,710 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 14:33:50,710 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/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 14:33:50,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:33:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:33:50,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:33:50,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:33:50,867 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 14:33:50,875 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:33:50,876 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:33:50,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:33:50,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:33:50,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:33:50,877 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 6 states. [2018-12-02 14:33:51,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:33:51,391 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-12-02 14:33:51,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 14:33:51,392 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-02 14:33:51,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:33:51,392 INFO L225 Difference]: With dead ends: 30 [2018-12-02 14:33:51,393 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 14:33:51,393 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:33:51,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 14:33:51,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 14:33:51,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 14:33:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 14:33:51,394 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-12-02 14:33:51,394 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:33:51,394 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:33:51,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:33:51,394 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:33:51,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:33:51,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 14:33:51,499 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 39) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L60(lines 60 72) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L52(lines 52 55) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L44(lines 44 49) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L32(lines 32 38) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 70) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L61-1(lines 61 70) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L45(lines 45 46) no Hoare annotation was computed. [2018-12-02 14:33:51,500 INFO L448 ceAbstractionStarter]: For program point L45-2(lines 45 46) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 79) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 19 81) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L74-2(lines 74 79) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L66(lines 66 67) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L66-2(lines 66 67) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 69) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L29(lines 29 73) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 59) no Hoare annotation was computed. [2018-12-02 14:33:51,501 INFO L451 ceAbstractionStarter]: At program point ceil_doubleENTRY(lines 19 81) the Hoare annotation is: true [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 43) no Hoare annotation was computed. [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point ceil_doubleFINAL(lines 19 81) no Hoare annotation was computed. [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point ceil_doubleEXIT(lines 19 81) no Hoare annotation was computed. [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 50) no Hoare annotation was computed. [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point L22-1(lines 22 27) no Hoare annotation was computed. [2018-12-02 14:33:51,502 INFO L444 ceAbstractionStarter]: At program point L22-2(lines 22 27) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= |ceil_double_#in~x| ceil_double_~x)) [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point L22-3(lines 22 27) no Hoare annotation was computed. [2018-12-02 14:33:51,502 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 73) no Hoare annotation was computed. [2018-12-02 14:33:51,503 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 38) no Hoare annotation was computed. [2018-12-02 14:33:51,503 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:33:51,503 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0) [2018-12-02 14:33:51,503 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:33:51,503 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:33:51,503 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-02 14:33:51,503 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 98) no Hoare annotation was computed. [2018-12-02 14:33:51,503 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 83 101) the Hoare annotation is: true [2018-12-02 14:33:51,504 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 83 101) no Hoare annotation was computed. [2018-12-02 14:33:51,504 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (or (not (= ((_ to_fp 11 53) roundNearestTiesToEven 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_ceil~0)) (= main_~x~0 (fp.neg (_ +zero 11 53)))) [2018-12-02 14:33:51,504 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-02 14:33:51,504 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 83 101) no Hoare annotation was computed. [2018-12-02 14:33:51,504 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 96) no Hoare annotation was computed. [2018-12-02 14:33:51,511 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 14:33:51,514 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 14:33:51,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:33:51 BoogieIcfgContainer [2018-12-02 14:33:51,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:33:51,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:33:51,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:33:51,516 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:33:51,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:33:41" (3/4) ... [2018-12-02 14:33:51,518 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:33:51,522 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 14:33:51,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ceil_double [2018-12-02 14:33:51,523 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 14:33:51,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 14:33:51,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 14:33:51,527 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 14:33:51,544 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil) || \old(x) == x [2018-12-02 14:33:51,563 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b79f094f-78bb-4acb-9ee4-03ad88bec768/bin-2019/utaipan/witness.graphml [2018-12-02 14:33:51,563 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:33:51,564 INFO L168 Benchmark]: Toolchain (without parser) took 10855.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.7 MB in the beginning and 915.5 MB in the end (delta: 29.2 MB). Peak memory consumption was 173.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:51,565 INFO L168 Benchmark]: CDTParser took 0.17 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 14:33:51,565 INFO L168 Benchmark]: CACSL2BoogieTranslator took 153.69 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:51,565 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.07 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:33:51,565 INFO L168 Benchmark]: Boogie Preprocessor took 49.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:51,566 INFO L168 Benchmark]: RCFGBuilder took 776.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:51,566 INFO L168 Benchmark]: TraceAbstraction took 9808.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.2 MB in the end (delta: 184.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:51,566 INFO L168 Benchmark]: Witness Printer took 48.19 ms. Allocated memory is still 1.2 GB. Free memory was 922.2 MB in the beginning and 915.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:33:51,568 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 153.69 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 928.6 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 16.07 ms. Allocated memory is still 1.0 GB. Free memory is still 928.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 928.6 MB in the beginning and 1.1 GB in the end (delta: -204.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 776.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9808.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 922.2 MB in the end (delta: 184.7 MB). Peak memory consumption was 184.7 MB. Max. memory is 11.5 GB. * Witness Printer took 48.19 ms. Allocated memory is still 1.2 GB. Free memory was 922.2 MB in the beginning and 915.5 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 96]: 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: 22]: Loop Invariant [2018-12-02 14:33:51,570 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2018-12-02 14:33:51,570 WARN L416 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: !(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0E300) == huge_ceil) || \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 42 locations, 1 error locations. SAFE Result, 9.7s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 7.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 140 SDtfs, 176 SDslu, 250 SDs, 0 SdLazy, 201 SolverSat, 20 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 116 GetRequests, 80 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 4.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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, 5 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 8 NumberOfFragments, 30 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 34 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 101 ConstructedInterpolants, 19 QuantifiedInterpolants, 13819 SizeOfPredicates, 15 NumberOfNonLiveVariables, 310 ConjunctsInSsa, 29 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...