./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_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_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:28:45,258 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:28:45,260 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:28:45,269 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:28:45,269 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:28:45,270 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:28:45,271 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:28:45,273 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:28:45,274 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:28:45,275 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:28:45,276 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:28:45,276 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:28:45,277 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:28:45,277 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:28:45,279 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:28:45,279 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:28:45,280 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:28:45,281 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:28:45,283 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:28:45,285 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:28:45,286 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:28:45,287 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:28:45,288 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:28:45,289 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:28:45,289 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:28:45,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:28:45,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:28:45,292 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:28:45,293 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:28:45,293 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:28:45,293 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:28:45,294 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:28:45,294 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:28:45,294 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:28:45,295 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:28:45,295 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:28:45,296 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:28:45,307 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:28:45,307 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:28:45,308 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:28:45,308 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:28:45,308 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:28:45,308 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:28:45,308 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:28:45,309 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:28:45,309 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:28:45,309 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:28:45,309 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:28:45,310 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:28:45,311 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:28:45,311 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:28:45,311 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:28:45,311 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:28:45,311 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:28:45,312 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:28:45,312 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:28:45,312 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:28:45,312 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:28:45,312 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:28:45,312 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:28:45,312 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:28:45,313 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:28:45,313 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:28:45,313 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:28:45,313 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:28:45,313 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:28:45,313 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:28:45,313 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:28:45,314 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:28:45,314 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:28:45,314 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:28:45,314 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_08c060ab-751f-40c4-915d-e39ec4a889eb/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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-10-26 22:28:45,343 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:28:45,359 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:28:45,361 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:28:45,363 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:28:45,363 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:28:45,364 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:28:45,415 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/7d8e69463/280cd7e80046418a81b47c338c79d415/FLAG88003f391 [2018-10-26 22:28:45,803 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:28:45,804 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:28:45,814 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/7d8e69463/280cd7e80046418a81b47c338c79d415/FLAG88003f391 [2018-10-26 22:28:45,825 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/7d8e69463/280cd7e80046418a81b47c338c79d415 [2018-10-26 22:28:45,828 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:28:45,830 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:28:45,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:28:45,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:28:45,833 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:28:45,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:28:45" (1/1) ... [2018-10-26 22:28:45,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fd27532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:45, skipping insertion in model container [2018-10-26 22:28:45,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:28:45" (1/1) ... [2018-10-26 22:28:45,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:28:45,866 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:28:46,027 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:28:46,032 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:28:46,070 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:28:46,090 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:28:46,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46 WrapperNode [2018-10-26 22:28:46,091 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:28:46,092 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:28:46,092 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:28:46,092 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:28:46,100 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,111 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,142 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:28:46,142 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:28:46,142 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:28:46,142 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:28:46,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,157 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,157 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... [2018-10-26 22:28:46,260 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:28:46,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:28:46,260 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:28:46,260 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:28:46,261 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 [2018-10-26 22:28:46,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-10-26 22:28:46,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-10-26 22:28:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:28:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:28:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:28:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:28:46,333 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:28:46,333 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:28:47,080 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:28:47,080 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:47 BoogieIcfgContainer [2018-10-26 22:28:47,081 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:28:47,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:28:47,081 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:28:47,084 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:28:47,084 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:28:45" (1/3) ... [2018-10-26 22:28:47,085 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70176438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:28:47, skipping insertion in model container [2018-10-26 22:28:47,085 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:46" (2/3) ... [2018-10-26 22:28:47,086 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@70176438 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:28:47, skipping insertion in model container [2018-10-26 22:28:47,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:47" (3/3) ... [2018-10-26 22:28:47,087 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:28:47,096 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:28:47,105 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:28:47,121 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:28:47,160 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:28:47,160 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:28:47,160 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:28:47,160 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:28:47,160 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:28:47,161 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:28:47,161 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:28:47,161 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:28:47,181 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-10-26 22:28:47,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:28:47,187 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:47,188 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:47,193 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:47,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:47,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1894497446, now seen corresponding path program 1 times [2018-10-26 22:28:47,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:47,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:47,249 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,249 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:28:47,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:28:47,383 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:28:47,384 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:28:47,384 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:28:47,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:28:47,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:28:47,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:28:47,403 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-10-26 22:28:47,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:28:47,423 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-10-26 22:28:47,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:28:47,425 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-26 22:28:47,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:28:47,434 INFO L225 Difference]: With dead ends: 82 [2018-10-26 22:28:47,434 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 22:28:47,437 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 [2018-10-26 22:28:47,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 22:28:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-26 22:28:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:28:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-10-26 22:28:47,475 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-10-26 22:28:47,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:28:47,476 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-10-26 22:28:47,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:28:47,476 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-10-26 22:28:47,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:28:47,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:47,477 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:47,477 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:47,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:47,478 INFO L82 PathProgramCache]: Analyzing trace with hash 1238667486, now seen corresponding path program 1 times [2018-10-26 22:28:47,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:28:47,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:28:47,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:28:47,479 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:28:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:28:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 22:28:47,624 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 22:28:47,645 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,646 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,647 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,647 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,648 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,649 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,649 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,649 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,650 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,654 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,654 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,655 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,655 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,655 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,656 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,656 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,656 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,656 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,657 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,657 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,659 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,659 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,660 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 22:28:47,660 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 22:28:47,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:28:47 BoogieIcfgContainer [2018-10-26 22:28:47,683 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:28:47,683 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:28:47,683 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:28:47,683 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:28:47,684 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:47" (3/4) ... [2018-10-26 22:28:47,688 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 22:28:47,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:28:47,689 INFO L168 Benchmark]: Toolchain (without parser) took 1860.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 962.4 MB in the beginning and 1.1 GB in the end (delta: -88.3 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:47,691 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:28:47,692 INFO L168 Benchmark]: CACSL2BoogieTranslator took 260.99 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 946.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:47,692 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.45 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:28:47,693 INFO L168 Benchmark]: Boogie Preprocessor took 117.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:47,694 INFO L168 Benchmark]: RCFGBuilder took 820.56 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:47,695 INFO L168 Benchmark]: TraceAbstraction took 601.51 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: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:28:47,696 INFO L168 Benchmark]: Witness Printer took 5.27 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. [2018-10-26 22:28:47,703 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 260.99 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 946.2 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 50.45 ms. Allocated memory is still 1.0 GB. Free memory is still 946.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 117.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 946.2 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 820.56 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: 37.8 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 601.51 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: 35.2 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.27 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.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.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.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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=17, \old(halF_exp)=35, \old(huge_exp)=27, \old(invln2_exp)=11, \old(ln2HI_exp)=32, \old(ln2HI_exp)=9, \old(ln2LO_exp)=19, \old(ln2LO_exp)=34, \old(one_exp)=24, \old(P1_exp)=16, \old(P2_exp)=18, \old(P3_exp)=20, \old(P4_exp)=23, \old(P5_exp)=22, \old(twom100_exp)=10, halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = 0.0f; VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] CALL, EXPR __ieee754_expf(x) VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] CALL ieee_float_shape_type gf_u; [L42] RET ieee_float_shape_type gf_u; [L43] CALL gf_u.value = (x) [L43] RET gf_u.value = (x) [L44] CALL, EXPR gf_u.word [L44] RET, EXPR gf_u.word [L44] (sx) = gf_u.word [L44] RET (sx) = gf_u.word [L45] COND FALSE !(0) VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=26, halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=26, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L122] __VERIFIER_error() VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=26, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 55 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=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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 225 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 [2018-10-26 22:28:49,587 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:28:49,589 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:28:49,598 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:28:49,598 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:28:49,599 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:28:49,600 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:28:49,602 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:28:49,603 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:28:49,604 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:28:49,605 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:28:49,605 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:28:49,605 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:28:49,606 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:28:49,607 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:28:49,608 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:28:49,608 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:28:49,610 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:28:49,611 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:28:49,612 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:28:49,613 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:28:49,614 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:28:49,616 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:28:49,617 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:28:49,617 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:28:49,618 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:28:49,619 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:28:49,620 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:28:49,620 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:28:49,621 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:28:49,621 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:28:49,623 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:28:49,623 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:28:49,623 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:28:49,624 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:28:49,625 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:28:49,625 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 22:28:49,638 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:28:49,638 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:28:49,639 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:28:49,639 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:28:49,639 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:28:49,639 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:28:49,639 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:28:49,640 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:28:49,640 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:28:49,640 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 22:28:49,641 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 22:28:49,642 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:28:49,643 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:28:49,644 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:28:49,644 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:28:49,644 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:28:49,644 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:28:49,644 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:28:49,644 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:28:49,645 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:28:49,645 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:28:49,645 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:28:49,645 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 22:28:49,645 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:28:49,645 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 22:28:49,646 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 22:28:49,646 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_08c060ab-751f-40c4-915d-e39ec4a889eb/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 -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-10-26 22:28:49,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:28:49,714 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:28:49,717 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:28:49,718 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:28:49,718 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:28:49,719 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:28:49,767 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/fb04e63e9/44b2973917884682aff162426f873d51/FLAGdf39f9a4b [2018-10-26 22:28:50,187 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:28:50,188 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:28:50,198 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/fb04e63e9/44b2973917884682aff162426f873d51/FLAGdf39f9a4b [2018-10-26 22:28:50,209 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/data/fb04e63e9/44b2973917884682aff162426f873d51 [2018-10-26 22:28:50,212 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:28:50,213 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:28:50,215 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:28:50,215 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:28:50,218 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:28:50,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c53d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50, skipping insertion in model container [2018-10-26 22:28:50,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,231 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:28:50,253 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:28:50,424 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:28:50,431 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:28:50,469 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:28:50,496 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:28:50,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50 WrapperNode [2018-10-26 22:28:50,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:28:50,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:28:50,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:28:50,498 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:28:50,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,521 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:28:50,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:28:50,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:28:50,588 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:28:50,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,598 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,606 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,635 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... [2018-10-26 22:28:50,639 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:28:50,640 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:28:50,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:28:50,640 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:28:50,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 [2018-10-26 22:28:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-10-26 22:28:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-10-26 22:28:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:28:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:28:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:28:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:28:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:28:50,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:28:50,937 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:28:59,413 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:28:59,499 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:28:59,776 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 22:28:59,799 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:28:59,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:59 BoogieIcfgContainer [2018-10-26 22:28:59,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:28:59,800 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:28:59,800 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:28:59,803 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:28:59,803 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:28:50" (1/3) ... [2018-10-26 22:28:59,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7881be69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:28:59, skipping insertion in model container [2018-10-26 22:28:59,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:28:50" (2/3) ... [2018-10-26 22:28:59,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7881be69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:28:59, skipping insertion in model container [2018-10-26 22:28:59,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:59" (3/3) ... [2018-10-26 22:28:59,808 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-10-26 22:28:59,815 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:28:59,822 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:28:59,836 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:28:59,862 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 22:28:59,863 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:28:59,864 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:28:59,864 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:28:59,864 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:28:59,864 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:28:59,864 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:28:59,864 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:28:59,865 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:28:59,880 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-10-26 22:28:59,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 22:28:59,886 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:28:59,887 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:28:59,889 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:28:59,894 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:28:59,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1894497446, now seen corresponding path program 1 times [2018-10-26 22:28:59,899 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:28:59,899 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 [2018-10-26 22:28:59,907 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:29:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:00,042 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:00,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:00,060 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:00,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:00,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:29:00,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:29:00,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:29:00,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:29:00,096 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-10-26 22:29:00,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:29:00,116 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-10-26 22:29:00,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:29:00,117 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-26 22:29:00,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:29:00,127 INFO L225 Difference]: With dead ends: 82 [2018-10-26 22:29:00,128 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 22:29:00,131 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:29:00,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 22:29:00,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-26 22:29:00,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:29:00,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-10-26 22:29:00,167 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-10-26 22:29:00,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:29:00,167 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-10-26 22:29:00,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:29:00,168 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-10-26 22:29:00,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:29:00,168 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:29:00,169 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:29:00,169 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:29:00,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:00,169 INFO L82 PathProgramCache]: Analyzing trace with hash 1238667486, now seen corresponding path program 1 times [2018-10-26 22:29:00,171 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:29:00,171 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:29:00,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-10-26 22:29:00,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:00,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:00,610 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:00,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:00,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:29:00,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:29:00,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:29:00,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:29:00,623 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 7 states. [2018-10-26 22:29:11,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:29:11,276 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2018-10-26 22:29:11,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:29:11,339 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-10-26 22:29:11,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:29:11,342 INFO L225 Difference]: With dead ends: 52 [2018-10-26 22:29:11,343 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 22:29:11,344 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:29:11,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 22:29:11,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-10-26 22:29:11,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:29:11,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-10-26 22:29:11,351 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 17 [2018-10-26 22:29:11,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:29:11,352 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-10-26 22:29:11,352 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:29:11,352 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-10-26 22:29:11,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 22:29:11,353 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:29:11,353 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:29:11,353 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:29:11,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:11,354 INFO L82 PathProgramCache]: Analyzing trace with hash -805933126, now seen corresponding path program 1 times [2018-10-26 22:29:11,356 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:29:11,356 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 [2018-10-26 22:29:11,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:29:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:11,503 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:11,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:11,836 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:11,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:11,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:29:11,855 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:29:11,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:29:11,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:29:11,855 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-10-26 22:29:21,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:29:21,389 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-10-26 22:29:21,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:29:21,457 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-10-26 22:29:21,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:29:21,458 INFO L225 Difference]: With dead ends: 52 [2018-10-26 22:29:21,458 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 22:29:21,459 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:29:21,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 22:29:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-10-26 22:29:21,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:29:21,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-10-26 22:29:21,466 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 19 [2018-10-26 22:29:21,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:29:21,467 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-10-26 22:29:21,467 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:29:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-10-26 22:29:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:29:21,468 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:29:21,468 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] [2018-10-26 22:29:21,468 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:29:21,468 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:21,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1463319260, now seen corresponding path program 1 times [2018-10-26 22:29:21,469 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:29:21,469 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 22:29:21,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 22:29:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:21,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:21,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:21,756 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:21,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:21,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:29:21,772 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:29:21,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:29:21,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:29:21,774 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 7 states. [2018-10-26 22:29:31,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:29:31,993 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2018-10-26 22:29:32,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:29:32,061 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-10-26 22:29:32,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:29:32,062 INFO L225 Difference]: With dead ends: 52 [2018-10-26 22:29:32,062 INFO L226 Difference]: Without dead ends: 44 [2018-10-26 22:29:32,063 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:29:32,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-26 22:29:32,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-10-26 22:29:32,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 22:29:32,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-10-26 22:29:32,067 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 20 [2018-10-26 22:29:32,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:29:32,067 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-10-26 22:29:32,067 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:29:32,067 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-10-26 22:29:32,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:29:32,068 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:29:32,068 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] [2018-10-26 22:29:32,068 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:29:32,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:32,069 INFO L82 PathProgramCache]: Analyzing trace with hash -779106723, now seen corresponding path program 1 times [2018-10-26 22:29:32,069 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:29:32,069 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/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 [2018-10-26 22:29:32,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:29:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:32,228 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:32,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:32,303 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:32,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:32,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:29:32,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:29:32,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:29:32,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:29:32,313 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 6 states. [2018-10-26 22:29:41,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:29:41,687 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-10-26 22:29:41,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:29:41,688 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-10-26 22:29:41,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:29:41,689 INFO L225 Difference]: With dead ends: 50 [2018-10-26 22:29:41,689 INFO L226 Difference]: Without dead ends: 44 [2018-10-26 22:29:41,690 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:29:41,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-26 22:29:41,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-10-26 22:29:41,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 22:29:41,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-10-26 22:29:41,698 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2018-10-26 22:29:41,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:29:41,698 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-10-26 22:29:41,699 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:29:41,699 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-10-26 22:29:41,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 22:29:41,699 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:29:41,700 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] [2018-10-26 22:29:41,700 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:29:41,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:41,700 INFO L82 PathProgramCache]: Analyzing trace with hash 794830730, now seen corresponding path program 1 times [2018-10-26 22:29:41,700 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:29:41,701 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 7 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with mathsat -unsat_core_generation=3 [2018-10-26 22:29:41,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:29:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:41,833 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:42,540 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 22:29:42,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:42,657 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:42,669 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:42,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 22:29:42,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 22:29:42,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 22:29:42,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:29:42,671 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 8 states. [2018-10-26 22:29:46,725 WARN L179 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 22:29:54,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:29:54,151 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-10-26 22:29:54,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:29:54,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-10-26 22:29:54,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:29:54,159 INFO L225 Difference]: With dead ends: 48 [2018-10-26 22:29:54,159 INFO L226 Difference]: Without dead ends: 42 [2018-10-26 22:29:54,160 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:29:54,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-10-26 22:29:54,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-10-26 22:29:54,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 22:29:54,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-10-26 22:29:54,166 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 23 [2018-10-26 22:29:54,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:29:54,166 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-10-26 22:29:54,167 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 22:29:54,167 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-26 22:29:54,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 22:29:54,167 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:29:54,168 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] [2018-10-26 22:29:54,168 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:29:54,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:29:54,168 INFO L82 PathProgramCache]: Analyzing trace with hash -800072816, now seen corresponding path program 1 times [2018-10-26 22:29:54,170 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:29:54,170 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 8 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with mathsat -unsat_core_generation=3 [2018-10-26 22:29:54,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:29:55,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:29:55,099 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:29:55,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:29:55,190 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:29:55,217 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:29:55,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:29:55,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:29:55,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:29:55,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:29:55,218 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 7 states. [2018-10-26 22:30:08,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:30:08,542 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-10-26 22:30:08,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:30:08,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-10-26 22:30:08,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:30:08,620 INFO L225 Difference]: With dead ends: 61 [2018-10-26 22:30:08,620 INFO L226 Difference]: Without dead ends: 40 [2018-10-26 22:30:08,621 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:30:08,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-26 22:30:08,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-10-26 22:30:08,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 22:30:08,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-10-26 22:30:08,625 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 24 [2018-10-26 22:30:08,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:30:08,626 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-10-26 22:30:08,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:30:08,626 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-10-26 22:30:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 22:30:08,627 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:30:08,627 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] [2018-10-26 22:30:08,628 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:30:08,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:30:08,628 INFO L82 PathProgramCache]: Analyzing trace with hash 499020678, now seen corresponding path program 1 times [2018-10-26 22:30:08,628 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:30:08,628 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 9 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with mathsat -unsat_core_generation=3 [2018-10-26 22:30:08,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:30:09,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:09,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:30:10,335 WARN L179 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:30:10,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:10,353 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:30:10,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:30:10,370 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:30:10,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:30:10,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:30:10,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:30:10,371 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 6 states. [2018-10-26 22:30:14,289 WARN L179 SmtUtils]: Spent 817.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:30:21,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:30:21,113 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-10-26 22:30:21,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:30:21,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-10-26 22:30:21,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:30:21,122 INFO L225 Difference]: With dead ends: 47 [2018-10-26 22:30:21,122 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 22:30:21,122 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:30:21,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 22:30:21,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-26 22:30:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 22:30:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-10-26 22:30:21,132 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2018-10-26 22:30:21,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:30:21,133 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-10-26 22:30:21,133 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:30:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-10-26 22:30:21,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 22:30:21,134 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:30:21,134 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] [2018-10-26 22:30:21,135 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:30:21,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:30:21,135 INFO L82 PathProgramCache]: Analyzing trace with hash -765469551, now seen corresponding path program 1 times [2018-10-26 22:30:21,135 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:30:21,135 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 10 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with mathsat -unsat_core_generation=3 [2018-10-26 22:30:21,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:30:22,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:22,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:30:22,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:22,596 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:30:22,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:30:22,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:30:22,616 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:30:22,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:30:22,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:30:22,616 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-10-26 22:30:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:30:35,820 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-10-26 22:30:35,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:30:35,890 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-10-26 22:30:35,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:30:35,891 INFO L225 Difference]: With dead ends: 58 [2018-10-26 22:30:35,891 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 22:30:35,891 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:30:35,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 22:30:35,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-26 22:30:35,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 22:30:35,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-10-26 22:30:35,896 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 25 [2018-10-26 22:30:35,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:30:35,896 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-10-26 22:30:35,897 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:30:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-10-26 22:30:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 22:30:35,897 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:30:35,898 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] [2018-10-26 22:30:35,898 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:30:35,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:30:35,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1328246963, now seen corresponding path program 1 times [2018-10-26 22:30:35,899 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 22:30:35,899 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/mathsat Starting monitored process 11 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with mathsat -unsat_core_generation=3 [2018-10-26 22:30:35,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:30:36,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:30:36,783 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:30:37,943 WARN L179 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 22:30:37,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:30:37,949 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 22:30:37,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:30:37,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:30:37,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:30:37,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:30:37,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:30:37,966 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 6 states. [2018-10-26 22:30:40,002 WARN L179 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 22:30:44,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:30:44,348 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-10-26 22:30:44,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:30:44,423 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-10-26 22:30:44,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:30:44,423 INFO L225 Difference]: With dead ends: 37 [2018-10-26 22:30:44,424 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:30:44,424 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:30:44,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:30:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:30:44,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:30:44,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:30:44,425 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-10-26 22:30:44,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:30:44,425 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:30:44,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:30:44,425 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:30:44,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:30:44,431 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:30:45,307 WARN L179 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-10-26 22:30:45,904 WARN L179 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 28 [2018-10-26 22:30:45,936 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 22:30:45,936 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-10-26 22:30:45,936 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-10-26 22:30:45,936 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-10-26 22:30:45,937 INFO L421 ceAbstractionStarter]: At program point L97-3(lines 97 101) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (not (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv830472192 32)))))) [2018-10-26 22:30:45,937 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L421 ceAbstractionStarter]: At program point L41-3(lines 41 45) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= |__ieee754_expf_#in~x| __ieee754_expf_~x) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-10-26 22:30:45,938 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-10-26 22:30:45,939 INFO L421 ceAbstractionStarter]: At program point L84-3(lines 84 88) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (= (fp ((_ extract 31 31) __ieee754_expf_~sx~0) ((_ extract 30 23) __ieee754_expf_~sx~0) ((_ extract 22 0) __ieee754_expf_~sx~0)) |__ieee754_expf_#in~x|) (not (bvult (bvand __ieee754_expf_~sx~0 (_ bv2147483647 32)) (_ bv830472192 32)))))) [2018-10-26 22:30:45,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:30:45,939 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:30:45,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:30:45,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:30:45,939 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0) (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)) ~huge_exp~0)) [2018-10-26 22:30:45,939 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:30:45,939 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:30:45,939 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-10-26 22:30:45,939 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-10-26 22:30:45,940 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-10-26 22:30:45,940 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-10-26 22:30:45,940 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-10-26 22:30:45,940 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-10-26 22:30:45,940 INFO L421 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= (_ +zero 8 24) main_~x~0) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-10-26 22:30:45,940 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-10-26 22:30:45,947 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,948 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,948 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,949 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,949 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,954 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,955 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,955 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,956 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,960 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,960 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,960 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,961 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,961 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,961 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,961 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,962 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,962 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,962 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,962 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,963 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,963 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,963 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,963 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,963 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,964 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,964 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,964 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,964 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:45,964 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,965 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,965 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,965 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:45,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:30:45 BoogieIcfgContainer [2018-10-26 22:30:45,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:30:45,969 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:30:45,969 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:30:45,969 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:30:45,970 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:28:59" (3/4) ... [2018-10-26 22:30:45,973 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:30:45,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-10-26 22:30:45,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:30:45,982 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:30:45,995 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-10-26 22:30:46,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-10-26 22:30:46,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 22:30:46,002 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 22:30:46,027 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp) [2018-10-26 22:30:46,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) [2018-10-26 22:30:46,028 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) [2018-10-26 22:30:46,075 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_08c060ab-751f-40c4-915d-e39ec4a889eb/bin-2019/utaipan/witness.graphml [2018-10-26 22:30:46,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:30:46,076 INFO L168 Benchmark]: Toolchain (without parser) took 115863.53 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 223.9 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -143.2 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:46,076 INFO L168 Benchmark]: CDTParser took 0.18 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. [2018-10-26 22:30:46,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.68 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:46,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.58 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:46,077 INFO L168 Benchmark]: Boogie Preprocessor took 51.78 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:30:46,077 INFO L168 Benchmark]: RCFGBuilder took 9159.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:46,080 INFO L168 Benchmark]: TraceAbstraction took 106168.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 47.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:46,080 INFO L168 Benchmark]: Witness Printer took 106.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:30:46,082 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 282.68 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 938.5 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 89.58 ms. Allocated memory is still 1.0 GB. Free memory was 938.5 MB in the beginning and 933.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.78 ms. Allocated memory is still 1.0 GB. Free memory is still 933.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 9159.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 176.7 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 106168.51 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 47.2 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 12.2 MB). Peak memory consumption was 59.4 MB. Max. memory is 11.5 GB. * Witness Printer took 106.39 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 122]: 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: 97]: Loop Invariant [2018-10-26 22:30:46,102 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,102 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,102 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,103 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,103 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,104 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,105 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) - InvariantResult [Line: 41]: Loop Invariant [2018-10-26 22:30:46,105 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,105 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,105 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,105 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,106 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,106 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,106 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,106 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || \old(x) == x) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp) - InvariantResult [Line: 84]: Loop Invariant [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,107 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,108 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,108 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,108 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,108 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,108 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 22:30:46,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 22:30:46,109 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (!(huge_exp == ~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0E30))) || !(~to_fp~LONGDOUBLE(RoundingMode_RNE, ~to_fp~LONGDOUBLE(RoundingMode_RNE, 1.0)) == one_exp)) || (\exists __ieee754_expf_~sx~0 : bv32 :: ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x) && !~bvult32(~bvand32(__ieee754_expf_~sx~0, 2147483647bv32), 830472192bv32)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. SAFE Result, 106.0s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 95.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 358 SDtfs, 365 SDslu, 1041 SDs, 0 SdLazy, 363 SolverSat, 2 SolverUnsat, 36 SolverUnknown, 0 SolverNotchecked, 88.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 165 SyntacticMatches, 3 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 8.0s 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, 10 MinimizatonAttempts, 24 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 16 NumberOfFragments, 127 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 168 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 210 ConstructedInterpolants, 34 QuantifiedInterpolants, 45300 SizeOfPredicates, 58 NumberOfNonLiveVariables, 1434 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...