./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 d2f16ecfa870c96b6993f19e89d203c20f11280a ................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 d2f16ecfa870c96b6993f19e89d203c20f11280a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:19:10,256 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:19:10,258 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:19:10,267 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:19:10,268 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:19:10,268 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:19:10,269 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:19:10,271 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:19:10,272 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:19:10,272 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:19:10,273 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:19:10,273 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:19:10,274 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:19:10,275 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:19:10,276 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:19:10,276 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:19:10,277 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:19:10,278 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:19:10,280 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:19:10,281 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:19:10,282 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:19:10,282 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:19:10,284 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:19:10,284 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:19:10,285 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:19:10,285 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:19:10,286 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:19:10,287 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:19:10,287 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:19:10,288 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:19:10,288 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:19:10,289 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:19:10,289 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:19:10,289 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:19:10,290 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:19:10,290 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:19:10,290 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 06:19:10,300 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:19:10,300 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:19:10,301 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:19:10,301 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:19:10,301 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:19:10,302 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:19:10,302 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 06:19:10,302 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:19:10,302 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 06:19:10,302 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 06:19:10,302 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:19:10,303 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:19:10,303 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:19:10,303 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:19:10,303 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:19:10,303 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:19:10,304 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:19:10,304 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:19:10,304 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:19:10,304 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:19:10,304 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:19:10,304 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:19:10,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:19:10,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:19:10,305 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 06:19:10,306 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:19:10,306 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:19:10,306 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 06:19:10,306 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_5664598e-5604-4629-836e-ea507fa5de4f/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 -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2018-11-10 06:19:10,329 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:19:10,338 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:19:10,341 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:19:10,342 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:19:10,342 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:19:10,342 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 06:19:10,384 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/7ab65941b/74503c61a3784050841ebb964363fac0/FLAGa2a99dd8e [2018-11-10 06:19:10,726 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:19:10,726 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 06:19:10,731 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/7ab65941b/74503c61a3784050841ebb964363fac0/FLAGa2a99dd8e [2018-11-10 06:19:10,742 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/7ab65941b/74503c61a3784050841ebb964363fac0 [2018-11-10 06:19:10,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:19:10,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:19:10,746 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:19:10,746 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:19:10,750 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:19:10,751 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:10,753 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51b9e86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10, skipping insertion in model container [2018-11-10 06:19:10,753 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:10,760 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:19:10,778 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:19:10,914 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:19:10,917 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:19:10,940 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:19:10,954 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:19:10,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10 WrapperNode [2018-11-10 06:19:10,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:19:10,955 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:19:10,955 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:19:10,956 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:19:10,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:10,970 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:10,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:19:10,994 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:19:10,994 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:19:10,994 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:19:11,001 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,071 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,073 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... [2018-11-10 06:19:11,076 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:19:11,076 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:19:11,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:19:11,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:19:11,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:11,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:19:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:19:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:19:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:19:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 06:19:11,123 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 06:19:11,123 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 06:19:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 06:19:11,124 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:19:11,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:19:11,432 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:19:11,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:19:11 BoogieIcfgContainer [2018-11-10 06:19:11,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:19:11,433 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:19:11,433 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:19:11,435 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:19:11,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:19:10" (1/3) ... [2018-11-10 06:19:11,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d370305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:19:11, skipping insertion in model container [2018-11-10 06:19:11,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:10" (2/3) ... [2018-11-10 06:19:11,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d370305 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:19:11, skipping insertion in model container [2018-11-10 06:19:11,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:19:11" (3/3) ... [2018-11-10 06:19:11,437 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931_true-unreach-call.c [2018-11-10 06:19:11,444 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:19:11,449 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:19:11,460 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:19:11,485 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:19:11,485 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:19:11,485 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:19:11,485 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:19:11,486 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:19:11,486 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:19:11,486 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:19:11,486 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:19:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states. [2018-11-10 06:19:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 06:19:11,504 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:11,505 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:11,507 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:11,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:11,513 INFO L82 PathProgramCache]: Analyzing trace with hash -847646849, now seen corresponding path program 1 times [2018-11-10 06:19:11,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:19:11,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:11,548 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:11,548 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:11,548 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:19:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:11,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:11,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:11,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 06:19:11,636 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 06:19:11,640 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 06:19:11,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 06:19:11,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:19:11,651 INFO L87 Difference]: Start difference. First operand 46 states. Second operand 2 states. [2018-11-10 06:19:11,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:11,670 INFO L93 Difference]: Finished difference Result 84 states and 123 transitions. [2018-11-10 06:19:11,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 06:19:11,671 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-11-10 06:19:11,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:11,678 INFO L225 Difference]: With dead ends: 84 [2018-11-10 06:19:11,678 INFO L226 Difference]: Without dead ends: 42 [2018-11-10 06:19:11,680 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:19:11,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-10 06:19:11,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-11-10 06:19:11,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-11-10 06:19:11,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2018-11-10 06:19:11,711 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 23 [2018-11-10 06:19:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:11,711 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2018-11-10 06:19:11,711 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 06:19:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2018-11-10 06:19:11,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 06:19:11,712 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:11,712 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:11,713 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:11,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:11,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2091350471, now seen corresponding path program 1 times [2018-11-10 06:19:11,713 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 06:19:11,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:11,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:11,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 06:19:11,715 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 06:19:11,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:19:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 06:19:11,822 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 06:19:11,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,839 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,839 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,839 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,839 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,840 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,840 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,840 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,840 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,841 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,841 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,841 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,841 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,842 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,842 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,843 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,843 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,843 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,843 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,843 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,844 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,844 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,844 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,844 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,845 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,845 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,845 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,845 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,846 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,846 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 06:19:11,846 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 06:19:11,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:19:11 BoogieIcfgContainer [2018-11-10 06:19:11,865 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:19:11,866 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:19:11,866 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:19:11,866 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:19:11,866 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:19:11" (3/4) ... [2018-11-10 06:19:11,870 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 06:19:11,871 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:19:11,871 INFO L168 Benchmark]: Toolchain (without parser) took 1126.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 960.2 MB in the beginning and 1.1 GB in the end (delta: -123.9 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:11,873 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:19:11,873 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.61 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:11,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.25 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 942.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:11,874 INFO L168 Benchmark]: Boogie Preprocessor took 82.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 942.8 MB in the beginning and 1.2 GB in the end (delta: -215.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:11,875 INFO L168 Benchmark]: RCFGBuilder took 355.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:11,876 INFO L168 Benchmark]: TraceAbstraction took 432.42 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:11,876 INFO L168 Benchmark]: Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:19:11,879 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 208.61 ms. Allocated memory is still 1.0 GB. Free memory was 960.2 MB in the beginning and 945.5 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.25 ms. Allocated memory is still 1.0 GB. Free memory was 945.5 MB in the beginning and 942.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 942.8 MB in the beginning and 1.2 GB in the end (delta: -215.5 MB). Peak memory consumption was 15.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 355.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 34.4 MB). Peak memory consumption was 34.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 432.42 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: 39.9 MB). Peak memory consumption was 39.9 MB. Max. memory is 11.5 GB. * Witness Printer took 5.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 121]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 32, overapproximation of bitwiseAnd at line 106. Possible FailurePath: [L12-L16] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L18] static const float zero_log = 0.0; VAL [\old(Lg1_log)=10737418258, \old(Lg2_log)=10737418259, \old(Lg3_log)=10737418241, \old(Lg4_log)=10737418245, \old(Lg5_log)=10737418248, \old(Lg6_log)=10737418257, \old(Lg7_log)=10737418255, \old(ln2_hi_log)=10737418243, \old(ln2_lo_log)=10737418251, \old(two25_log)=10737418254, \old(zero_log)=10737418253, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L116] float x = 1.0f / 0.0f; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] CALL, EXPR __ieee754_logf(x) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L21] float hfsq, f, s, z, R, w, t1, t2, dk; [L22] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L25] CALL ieee_float_shape_type gf_u; [L25] RET ieee_float_shape_type gf_u; [L26] CALL gf_u.value = (x) [L26] RET gf_u.value = (x) [L27] CALL, EXPR gf_u.word [L27] RET, EXPR gf_u.word [L27] (ix) = gf_u.word [L27] RET (ix) = gf_u.word [L28] COND FALSE !(0) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L30] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L31] COND TRUE ((ix & 0x7fffffff) == 0) [L32] RET return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L117] EXPR __ieee754_logf(x) VAL [__ieee754_logf(x)=10737418247, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=10737418249, zero_log=0] [L117] float res = __ieee754_logf(x); [L120] CALL, EXPR isinf_float(res) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L100] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L102] CALL ieee_float_shape_type gf_u; [L102] RET ieee_float_shape_type gf_u; [L103] CALL gf_u.value = (x) [L103] RET gf_u.value = (x) [L104] CALL, EXPR gf_u.word [L104] RET, EXPR gf_u.word [L104] (ix) = gf_u.word [L104] RET (ix) = gf_u.word [L105] COND FALSE !(0) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L106] ix &= 0x7fffffff [L107] RET return ((ix) == 0x7f800000L); VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] [L120] EXPR isinf_float(res) VAL [isinf_float(res)=0, Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418247, two25_log=33554432, x=10737418249, zero_log=0] [L120] COND TRUE !isinf_float(res) [L121] __VERIFIER_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, res=10737418247, two25_log=33554432, x=10737418249, zero_log=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 46 locations, 1 error locations. UNSAFE Result, 0.3s 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=46occurred 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, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:19:13,416 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:19:13,417 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:19:13,426 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:19:13,426 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:19:13,427 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:19:13,428 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:19:13,430 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:19:13,431 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:19:13,432 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:19:13,433 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:19:13,433 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:19:13,434 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:19:13,435 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:19:13,436 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:19:13,437 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:19:13,438 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:19:13,440 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:19:13,441 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:19:13,443 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:19:13,444 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:19:13,445 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:19:13,447 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:19:13,447 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:19:13,448 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:19:13,448 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:19:13,450 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:19:13,451 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:19:13,451 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:19:13,452 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:19:13,452 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:19:13,453 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:19:13,453 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:19:13,453 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:19:13,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:19:13,455 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:19:13,456 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 06:19:13,467 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:19:13,468 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:19:13,468 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:19:13,469 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 06:19:13,469 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 06:19:13,469 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 06:19:13,469 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 06:19:13,469 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 06:19:13,470 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:19:13,470 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:19:13,470 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:19:13,471 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:19:13,471 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:19:13,471 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:19:13,471 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:19:13,471 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 06:19:13,471 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 06:19:13,472 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:19:13,472 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:19:13,472 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:19:13,472 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:19:13,472 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 06:19:13,472 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:19:13,473 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 06:19:13,473 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 06:19:13,473 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:19:13,473 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:19:13,473 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:19:13,476 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 06:19:13,476 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:19:13,476 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 06:19:13,476 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 06:19:13,476 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_5664598e-5604-4629-836e-ea507fa5de4f/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 -> d2f16ecfa870c96b6993f19e89d203c20f11280a [2018-11-10 06:19:13,512 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:19:13,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:19:13,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:19:13,527 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:19:13,528 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:19:13,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 06:19:13,581 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/4d00a46e2/608eeadfd50f46789a6782cc7275fa19/FLAGc77938742 [2018-11-10 06:19:13,928 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:19:13,929 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/sv-benchmarks/c/float-newlib/float_req_bl_0931_true-unreach-call.c [2018-11-10 06:19:13,934 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/4d00a46e2/608eeadfd50f46789a6782cc7275fa19/FLAGc77938742 [2018-11-10 06:19:13,943 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/data/4d00a46e2/608eeadfd50f46789a6782cc7275fa19 [2018-11-10 06:19:13,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:19:13,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:19:13,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:19:13,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:19:13,949 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:19:13,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:19:13" (1/1) ... [2018-11-10 06:19:13,952 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f8d760 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:13, skipping insertion in model container [2018-11-10 06:19:13,952 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:19:13" (1/1) ... [2018-11-10 06:19:13,959 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:19:13,981 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:19:14,134 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:19:14,139 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:19:14,176 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:19:14,195 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:19:14,195 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14 WrapperNode [2018-11-10 06:19:14,195 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:19:14,196 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:19:14,196 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:19:14,196 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:19:14,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,215 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,242 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:19:14,242 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:19:14,242 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:19:14,242 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:19:14,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,255 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... [2018-11-10 06:19:14,279 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:19:14,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:19:14,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:19:14,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:19:14,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 06:19:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 06:19:14,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 06:19:14,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 06:19:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-11-10 06:19:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-11-10 06:19:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_logf [2018-11-10 06:19:14,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_logf [2018-11-10 06:19:14,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:19:14,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:19:14,552 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:19:14,683 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:19:25,997 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 06:19:26,020 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:19:26,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:19:26 BoogieIcfgContainer [2018-11-10 06:19:26,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:19:26,021 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 06:19:26,021 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 06:19:26,023 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 06:19:26,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 06:19:13" (1/3) ... [2018-11-10 06:19:26,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adeb874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:19:26, skipping insertion in model container [2018-11-10 06:19:26,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:19:14" (2/3) ... [2018-11-10 06:19:26,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1adeb874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 06:19:26, skipping insertion in model container [2018-11-10 06:19:26,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:19:26" (3/3) ... [2018-11-10 06:19:26,025 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0931_true-unreach-call.c [2018-11-10 06:19:26,031 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 06:19:26,035 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 06:19:26,044 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 06:19:26,062 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 06:19:26,063 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 06:19:26,063 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 06:19:26,063 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 06:19:26,063 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 06:19:26,063 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 06:19:26,063 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 06:19:26,063 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 06:19:26,064 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 06:19:26,074 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-11-10 06:19:26,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-10 06:19:26,079 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:26,080 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:26,082 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:26,086 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:26,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1292472857, now seen corresponding path program 1 times [2018-11-10 06:19:26,088 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 06:19:26,089 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:26,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:26,299 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:26,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:26,311 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:19:26,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:26,324 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 06:19:26,326 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 06:19:26,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 06:19:26,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:19:26,335 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-11-10 06:19:26,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:26,351 INFO L93 Difference]: Finished difference Result 82 states and 121 transitions. [2018-11-10 06:19:26,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 06:19:26,352 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-11-10 06:19:26,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:26,358 INFO L225 Difference]: With dead ends: 82 [2018-11-10 06:19:26,358 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 06:19:26,361 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 06:19:26,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 06:19:26,382 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-10 06:19:26,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 06:19:26,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-11-10 06:19:26,385 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 22 [2018-11-10 06:19:26,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:26,386 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-11-10 06:19:26,386 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 06:19:26,386 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-10 06:19:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 06:19:26,386 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:26,386 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:26,387 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:26,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:26,387 INFO L82 PathProgramCache]: Analyzing trace with hash -2132493683, now seen corresponding path program 1 times [2018-11-10 06:19:26,388 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 06:19:26,388 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:26,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:26,618 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:26,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:26,682 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:19:26,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:26,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:19:26,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:19:26,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:19:26,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:19:26,692 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 6 states. [2018-11-10 06:19:30,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:30,281 INFO L93 Difference]: Finished difference Result 58 states and 67 transitions. [2018-11-10 06:19:30,395 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:19:30,395 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-11-10 06:19:30,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:30,397 INFO L225 Difference]: With dead ends: 58 [2018-11-10 06:19:30,397 INFO L226 Difference]: Without dead ends: 45 [2018-11-10 06:19:30,398 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:19:30,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-10 06:19:30,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2018-11-10 06:19:30,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 06:19:30,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-11-10 06:19:30,404 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 24 [2018-11-10 06:19:30,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:30,404 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-11-10 06:19:30,405 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:19:30,405 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-10 06:19:30,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 06:19:30,405 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:30,406 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:30,406 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:30,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:30,406 INFO L82 PathProgramCache]: Analyzing trace with hash -651625643, now seen corresponding path program 1 times [2018-11-10 06:19:30,407 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 06:19:30,407 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:30,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:30,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:30,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:30,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:30,690 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:19:30,699 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:30,700 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:19:30,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:19:30,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:19:30,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:19:30,701 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-11-10 06:19:34,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:34,358 INFO L93 Difference]: Finished difference Result 58 states and 66 transitions. [2018-11-10 06:19:34,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 06:19:34,473 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-10 06:19:34,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:34,474 INFO L225 Difference]: With dead ends: 58 [2018-11-10 06:19:34,474 INFO L226 Difference]: Without dead ends: 45 [2018-11-10 06:19:34,475 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 06:19:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-11-10 06:19:34,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2018-11-10 06:19:34,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 06:19:34,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-11-10 06:19:34,481 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 25 [2018-11-10 06:19:34,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:34,481 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-11-10 06:19:34,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:19:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-11-10 06:19:34,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 06:19:34,482 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:34,482 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:34,482 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:34,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:34,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1131998609, now seen corresponding path program 1 times [2018-11-10 06:19:34,483 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 06:19:34,483 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:34,486 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:34,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:34,562 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:34,861 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-11-10 06:19:35,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:35,302 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:19:35,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:35,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2018-11-10 06:19:35,314 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-10 06:19:35,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-10 06:19:35,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-11-10 06:19:35,315 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 11 states. [2018-11-10 06:19:35,854 WARN L179 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-10 06:19:47,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:47,151 INFO L93 Difference]: Finished difference Result 50 states and 58 transitions. [2018-11-10 06:19:47,152 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-10 06:19:47,152 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 26 [2018-11-10 06:19:47,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:47,153 INFO L225 Difference]: With dead ends: 50 [2018-11-10 06:19:47,153 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 06:19:47,153 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2018-11-10 06:19:47,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 06:19:47,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2018-11-10 06:19:47,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 06:19:47,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2018-11-10 06:19:47,158 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 48 transitions. Word has length 26 [2018-11-10 06:19:47,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:47,158 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 48 transitions. [2018-11-10 06:19:47,158 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-10 06:19:47,159 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 48 transitions. [2018-11-10 06:19:47,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-11-10 06:19:47,159 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 06:19:47,159 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 06:19:47,159 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 06:19:47,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:19:47,159 INFO L82 PathProgramCache]: Analyzing trace with hash -2067303842, now seen corresponding path program 1 times [2018-11-10 06:19:47,160 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 06:19:47,160 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/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 [2018-11-10 06:19:47,163 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 06:19:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:19:47,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 06:19:47,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:19:47,312 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 06:19:47,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 06:19:47,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 06:19:47,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 06:19:47,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 06:19:47,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 06:19:47,321 INFO L87 Difference]: Start difference. First operand 41 states and 48 transitions. Second operand 6 states. [2018-11-10 06:19:49,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 06:19:49,880 INFO L93 Difference]: Finished difference Result 43 states and 50 transitions. [2018-11-10 06:19:50,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 06:19:50,008 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2018-11-10 06:19:50,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 06:19:50,009 INFO L225 Difference]: With dead ends: 43 [2018-11-10 06:19:50,009 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 06:19:50,010 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-10 06:19:50,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 06:19:50,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 06:19:50,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 06:19:50,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 06:19:50,011 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-11-10 06:19:50,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 06:19:50,011 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 06:19:50,011 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 06:19:50,011 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 06:19:50,011 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:19:50,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 06:19:50,094 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point L101-4(lines 101 105) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L428 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 99 108) the Hoare annotation is: true [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 99 108) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 99 108) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 105) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L421 ceAbstractionStarter]: At program point L101-3(lines 101 105) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 32) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 72) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 89) no Hoare annotation was computed. [2018-11-10 06:19:50,095 INFO L425 ceAbstractionStarter]: For program point L40-1(lines 40 44) no Hoare annotation was computed. [2018-11-10 06:19:50,096 INFO L421 ceAbstractionStarter]: At program point L40-3(lines 40 44) the Hoare annotation is: (and (exists ((__ieee754_logf_~ix~0 (_ BitVec 32))) (and (bvslt __ieee754_logf_~ix~0 (_ bv2139095040 32)) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0))))) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0)))) [2018-11-10 06:19:50,096 INFO L428 ceAbstractionStarter]: At program point __ieee754_logfENTRY(lines 20 96) the Hoare annotation is: true [2018-11-10 06:19:50,096 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfFINAL(lines 20 96) no Hoare annotation was computed. [2018-11-10 06:19:50,096 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 64) no Hoare annotation was computed. [2018-11-10 06:19:50,096 INFO L425 ceAbstractionStarter]: For program point L24-1(lines 24 28) no Hoare annotation was computed. [2018-11-10 06:19:50,096 INFO L421 ceAbstractionStarter]: At program point L24-3(lines 24 28) the Hoare annotation is: (= __ieee754_logf_~x |__ieee754_logf_#in~x|) [2018-11-10 06:19:50,096 INFO L425 ceAbstractionStarter]: For program point L24-4(lines 24 28) no Hoare annotation was computed. [2018-11-10 06:19:50,096 INFO L425 ceAbstractionStarter]: For program point L49-1(lines 49 53) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L421 ceAbstractionStarter]: At program point L49-3(lines 49 53) the Hoare annotation is: (exists ((__ieee754_logf_~ix~0 (_ BitVec 32))) (and (bvslt __ieee754_logf_~ix~0 (_ bv2139095040 32)) (= |__ieee754_logf_#in~x| (fp ((_ extract 31 31) __ieee754_logf_~ix~0) ((_ extract 30 23) __ieee754_logf_~ix~0) ((_ extract 22 0) __ieee754_logf_~ix~0))))) [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L49-4(lines 49 53) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 45) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L37-1(lines 37 45) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L66(lines 66 71) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 34) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point __ieee754_logfEXIT(lines 20 96) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 94) no Hoare annotation was computed. [2018-11-10 06:19:50,097 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 63) no Hoare annotation was computed. [2018-11-10 06:19:50,098 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 95) no Hoare annotation was computed. [2018-11-10 06:19:50,098 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 36) no Hoare annotation was computed. [2018-11-10 06:19:50,098 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 06:19:50,098 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-10 06:19:50,098 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 06:19:50,098 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 06:19:50,098 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 110 125) the Hoare annotation is: true [2018-11-10 06:19:50,098 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 110 125) no Hoare annotation was computed. [2018-11-10 06:19:50,098 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-10 06:19:50,099 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 110 125) no Hoare annotation was computed. [2018-11-10 06:19:50,099 INFO L421 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)))) (and (= .cse0 main_~x~0) (= (fp.add RNE .cse0 .cse0) main_~res~0))) [2018-11-10 06:19:50,099 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 120 123) no Hoare annotation was computed. [2018-11-10 06:19:50,099 INFO L421 ceAbstractionStarter]: At program point L117(line 117) the Hoare annotation is: (= (fp.div RNE ((_ to_fp 8 24) RNE 1.0) (_ +zero 8 24)) main_~x~0) [2018-11-10 06:19:50,099 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-10 06:19:50,099 INFO L425 ceAbstractionStarter]: For program point L117-1(line 117) no Hoare annotation was computed. [2018-11-10 06:19:50,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,104 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,105 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,105 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,110 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,111 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,112 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,113 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,115 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 06:19:50 BoogieIcfgContainer [2018-11-10 06:19:50,115 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 06:19:50,115 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:19:50,115 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:19:50,115 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:19:50,116 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:19:26" (3/4) ... [2018-11-10 06:19:50,118 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:19:50,123 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 06:19:50,123 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-11-10 06:19:50,123 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_logf [2018-11-10 06:19:50,123 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 06:19:50,128 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 71 nodes and edges [2018-11-10 06:19:50,129 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 37 nodes and edges [2018-11-10 06:19:50,129 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 06:19:50,129 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 06:19:50,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-11-10 06:19:50,147 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: x == \old(x) [2018-11-10 06:19:50,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) && \old(x) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) [2018-11-10 06:19:50,148 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) [2018-11-10 06:19:50,174 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5664598e-5604-4629-836e-ea507fa5de4f/bin-2019/utaipan/witness.graphml [2018-11-10 06:19:50,174 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:19:50,175 INFO L168 Benchmark]: Toolchain (without parser) took 36229.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 945.2 MB in the beginning and 926.4 MB in the end (delta: 18.8 MB). Peak memory consumption was 193.9 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:50,176 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:19:50,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.85 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 929.1 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:50,176 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.61 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:50,176 INFO L168 Benchmark]: Boogie Preprocessor took 37.05 ms. Allocated memory is still 1.0 GB. Free memory is still 923.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:19:50,177 INFO L168 Benchmark]: RCFGBuilder took 11741.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:50,177 INFO L168 Benchmark]: TraceAbstraction took 24093.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.1 MB in the end (delta: 196.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:50,177 INFO L168 Benchmark]: Witness Printer took 59.32 ms. Allocated memory is still 1.2 GB. Free memory was 933.1 MB in the beginning and 926.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:19:50,180 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 248.85 ms. Allocated memory is still 1.0 GB. Free memory was 945.2 MB in the beginning and 929.1 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 45.61 ms. Allocated memory is still 1.0 GB. Free memory was 929.1 MB in the beginning and 923.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.05 ms. Allocated memory is still 1.0 GB. Free memory is still 923.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 11741.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 923.7 MB in the beginning and 1.1 GB in the end (delta: -206.1 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24093.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.1 MB in the end (delta: 196.7 MB). Peak memory consumption was 196.7 MB. Max. memory is 11.5 GB. * Witness Printer took 59.32 ms. Allocated memory is still 1.2 GB. Free memory was 933.1 MB in the beginning and 926.4 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: 49]: Loop Invariant [2018-11-10 06:19:50,184 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,184 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,185 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: x == \old(x) - InvariantResult [Line: 40]: Loop Invariant [2018-11-10 06:19:50,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,186 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] [2018-11-10 06:19:50,187 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_logf_~ix~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_logf_~ix~0 : bv32 :: ~bvslt32(__ieee754_logf_~ix~0, 2139095040bv32) && \old(x) == ~fp~LONGDOUBLE(__ieee754_logf_~ix~0[31:31], __ieee754_logf_~ix~0[30:23], __ieee754_logf_~ix~0[22:0])) && \old(x) == ~fp~LONGDOUBLE(ix[31:31], ix[30:23], ix[22:0]) - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: \old(x) == x - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 45 locations, 1 error locations. SAFE Result, 24.0s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 22.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 206 SDtfs, 78 SDslu, 696 SDs, 0 SdLazy, 212 SolverSat, 11 SolverUnsat, 6 SolverUnknown, 0 SolverNotchecked, 20.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred 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, 10 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 20 PreInvPairs, 26 NumberOfFragments, 83 HoareAnnotationTreeSize, 20 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 131 NumberOfCodeBlocks, 131 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 126 ConstructedInterpolants, 16 QuantifiedInterpolants, 16449 SizeOfPredicates, 38 NumberOfNonLiveVariables, 654 ConjunctsInSsa, 49 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...