./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_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_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 4c9cffacfd3e6caa748d273206d3a84e636fe987 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 4c9cffacfd3e6caa748d273206d3a84e636fe987 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 20:54:17,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:54:17,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:54:17,685 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:54:17,686 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:54:17,686 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:54:17,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:54:17,689 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:54:17,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:54:17,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:54:17,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:54:17,693 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:54:17,693 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:54:17,694 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:54:17,695 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:54:17,696 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:54:17,697 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:54:17,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:54:17,700 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:54:17,701 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:54:17,702 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:54:17,703 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:54:17,705 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:54:17,705 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:54:17,706 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:54:17,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:54:17,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:54:17,708 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:54:17,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:54:17,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:54:17,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:54:17,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:54:17,711 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:54:17,711 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:54:17,712 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:54:17,713 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:54:17,713 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 20:54:17,725 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:54:17,725 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:54:17,726 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:54:17,726 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:54:17,726 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:54:17,727 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:54:17,727 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 20:54:17,727 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:54:17,728 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 20:54:17,728 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 20:54:17,728 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:54:17,729 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:54:17,729 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:54:17,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 20:54:17,730 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:54:17,730 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:54:17,730 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:54:17,730 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:54:17,730 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:54:17,731 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:54:17,731 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:54:17,731 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:54:17,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:54:17,731 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:54:17,733 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:54:17,733 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:54:17,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:54:17,733 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:54:17,734 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:54:17,734 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:54:17,734 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 20:54:17,734 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:54:17,734 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 20:54:17,734 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 20:54:17,734 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_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2018-10-26 20:54:17,762 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:54:17,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:54:17,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:54:17,777 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:54:17,779 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:54:17,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-10-26 20:54:17,836 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/87ba3f42c/49f58f0b02354fe09a211910f8fb169c/FLAG0be4b88fe [2018-10-26 20:54:18,202 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:54:18,203 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-10-26 20:54:18,209 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/87ba3f42c/49f58f0b02354fe09a211910f8fb169c/FLAG0be4b88fe [2018-10-26 20:54:18,222 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/87ba3f42c/49f58f0b02354fe09a211910f8fb169c [2018-10-26 20:54:18,225 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:54:18,226 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:54:18,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:54:18,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:54:18,231 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:54:18,232 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,234 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d654aab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18, skipping insertion in model container [2018-10-26 20:54:18,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,243 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:54:18,263 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:54:18,401 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:54:18,410 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:54:18,441 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:54:18,458 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:54:18,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18 WrapperNode [2018-10-26 20:54:18,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:54:18,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:54:18,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:54:18,460 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:54:18,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:54:18,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:54:18,509 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:54:18,509 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:54:18,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,532 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,540 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... [2018-10-26 20:54:18,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:54:18,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:54:18,544 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:54:18,544 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:54:18,545 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:54:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-10-26 20:54:18,670 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-10-26 20:54:18,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:54:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:54:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:54:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:54:18,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:54:18,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:54:19,369 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:54:19,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:19 BoogieIcfgContainer [2018-10-26 20:54:19,370 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:54:19,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:54:19,371 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:54:19,373 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:54:19,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:54:18" (1/3) ... [2018-10-26 20:54:19,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d4a1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:54:19, skipping insertion in model container [2018-10-26 20:54:19,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:18" (2/3) ... [2018-10-26 20:54:19,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49d4a1cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:54:19, skipping insertion in model container [2018-10-26 20:54:19,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:19" (3/3) ... [2018-10-26 20:54:19,377 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b_true-unreach-call.c [2018-10-26 20:54:19,386 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:54:19,393 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:54:19,407 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:54:19,435 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:54:19,435 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:54:19,435 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:54:19,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:54:19,435 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:54:19,436 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:54:19,436 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:54:19,436 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:54:19,452 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-10-26 20:54:19,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:54:19,457 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:19,458 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:54:19,460 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:19,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:19,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1894497446, now seen corresponding path program 1 times [2018-10-26 20:54:19,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:54:19,510 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:19,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:19,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:19,511 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:54:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:19,619 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 20:54:19,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:19,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:54:19,622 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 20:54:19,627 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:54:19,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:54:19,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:54:19,643 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-10-26 20:54:19,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:19,667 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-10-26 20:54:19,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:54:19,668 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-26 20:54:19,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:19,683 INFO L225 Difference]: With dead ends: 82 [2018-10-26 20:54:19,683 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 20:54:19,686 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 20:54:19,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 20:54:19,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-26 20:54:19,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 20:54:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-10-26 20:54:19,726 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-10-26 20:54:19,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:19,726 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-10-26 20:54:19,726 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:54:19,729 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-10-26 20:54:19,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:54:19,731 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:19,731 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 20:54:19,731 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:19,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:19,732 INFO L82 PathProgramCache]: Analyzing trace with hash 1238667486, now seen corresponding path program 1 times [2018-10-26 20:54:19,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 20:54:19,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:19,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:19,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 20:54:19,733 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 20:54:19,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:54:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-26 20:54:19,832 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-26 20:54:19,848 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,849 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,850 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,850 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,851 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,854 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,854 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,855 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,855 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,856 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,856 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,856 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,857 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,857 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,857 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,857 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,857 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,858 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,858 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,858 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,858 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,859 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,859 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-26 20:54:19,859 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-10-26 20:54:19,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:54:19 BoogieIcfgContainer [2018-10-26 20:54:19,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:54:19,896 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:54:19,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:54:19,897 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:54:19,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:19" (3/4) ... [2018-10-26 20:54:19,902 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-10-26 20:54:19,902 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:54:19,903 INFO L168 Benchmark]: Toolchain (without parser) took 1677.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.1 MB in the beginning and 1.1 GB in the end (delta: -108.5 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:19,904 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:54:19,904 INFO L168 Benchmark]: CACSL2BoogieTranslator took 231.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 945.0 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:19,905 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:54:19,905 INFO L168 Benchmark]: Boogie Preprocessor took 34.30 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:19,906 INFO L168 Benchmark]: RCFGBuilder took 826.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:19,906 INFO L168 Benchmark]: TraceAbstraction took 525.34 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:54:19,907 INFO L168 Benchmark]: Witness Printer took 5.70 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 20:54:19,910 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 231.97 ms. Allocated memory is still 1.0 GB. Free memory was 961.1 MB in the beginning and 945.0 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 49.44 ms. Allocated memory is still 1.0 GB. Free memory is still 945.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.30 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 939.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 826.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 939.6 MB in the beginning and 1.1 GB in the end (delta: -162.2 MB). Peak memory consumption was 17.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 525.34 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: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 5.70 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.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 someUnaryFLOAToperation at line 117, 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)=36, \old(halF_exp)=17, \old(huge_exp)=27, \old(invln2_exp)=11, \old(ln2HI_exp)=9, \old(ln2HI_exp)=33, \old(ln2LO_exp)=35, \old(ln2LO_exp)=19, \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={32:0}, 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={32:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] CALL, EXPR __ieee754_expf(x) VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, 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={32:0}, 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={32:0}, 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={32:0}, 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={32:0}, 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={32:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=28] [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={32:0}, 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=28] [L122] __VERIFIER_error() VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={32:0}, 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=28] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.4s 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, 0.0s 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 20:54:21,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 20:54:21,765 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 20:54:21,780 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 20:54:21,780 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 20:54:21,787 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 20:54:21,788 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 20:54:21,789 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 20:54:21,789 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 20:54:21,790 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 20:54:21,790 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 20:54:21,790 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 20:54:21,791 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 20:54:21,791 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 20:54:21,793 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 20:54:21,793 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 20:54:21,794 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 20:54:21,795 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 20:54:21,797 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 20:54:21,798 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 20:54:21,799 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 20:54:21,800 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 20:54:21,802 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 20:54:21,802 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 20:54:21,803 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 20:54:21,804 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 20:54:21,805 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 20:54:21,805 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 20:54:21,806 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 20:54:21,807 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 20:54:21,807 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 20:54:21,808 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 20:54:21,808 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 20:54:21,808 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 20:54:21,809 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 20:54:21,809 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 20:54:21,809 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-10-26 20:54:21,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 20:54:21,822 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 20:54:21,822 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 20:54:21,822 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 20:54:21,823 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 20:54:21,823 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 20:54:21,823 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 20:54:21,823 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 20:54:21,824 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 20:54:21,825 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-26 20:54:21,826 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-26 20:54:21,826 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 20:54:21,826 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 20:54:21,826 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 20:54:21,826 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 20:54:21,826 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 20:54:21,826 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 20:54:21,827 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 20:54:21,827 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 20:54:21,827 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 20:54:21,827 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 20:54:21,827 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 20:54:21,829 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-26 20:54:21,829 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 20:54:21,829 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-26 20:54:21,830 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-10-26 20:54:21,830 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_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 -> 4c9cffacfd3e6caa748d273206d3a84e636fe987 [2018-10-26 20:54:21,862 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 20:54:21,872 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 20:54:21,875 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 20:54:21,876 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 20:54:21,877 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 20:54:21,877 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-10-26 20:54:21,920 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/d1161cb2b/2dbe26d43a4143588d6189d345acf2e3/FLAGd27668acb [2018-10-26 20:54:22,343 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 20:54:22,344 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/sv-benchmarks/c/float-newlib/float_req_bl_0832b_true-unreach-call.c [2018-10-26 20:54:22,350 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/d1161cb2b/2dbe26d43a4143588d6189d345acf2e3/FLAGd27668acb [2018-10-26 20:54:22,361 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/data/d1161cb2b/2dbe26d43a4143588d6189d345acf2e3 [2018-10-26 20:54:22,364 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 20:54:22,365 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 20:54:22,366 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 20:54:22,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 20:54:22,369 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 20:54:22,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,372 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 08:54:22, skipping insertion in model container [2018-10-26 20:54:22,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 20:54:22,401 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 20:54:22,584 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:54:22,591 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 20:54:22,645 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 20:54:22,676 INFO L193 MainTranslator]: Completed translation [2018-10-26 20:54:22,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22 WrapperNode [2018-10-26 20:54:22,676 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 20:54:22,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 20:54:22,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 20:54:22,677 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 20:54:22,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 20:54:22,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 20:54:22,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 20:54:22,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 20:54:22,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,764 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,764 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,790 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... [2018-10-26 20:54:22,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 20:54:22,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 20:54:22,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 20:54:22,808 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 20:54:22,809 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:54:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-10-26 20:54:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-10-26 20:54:22,931 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 20:54:22,931 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 20:54:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 20:54:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 20:54:22,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 20:54:22,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 20:54:23,136 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:54:31,919 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:54:32,013 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:54:32,166 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-10-26 20:54:32,199 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 20:54:32,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:32 BoogieIcfgContainer [2018-10-26 20:54:32,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 20:54:32,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 20:54:32,201 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 20:54:32,203 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 20:54:32,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 08:54:22" (1/3) ... [2018-10-26 20:54:32,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2890b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:54:32, skipping insertion in model container [2018-10-26 20:54:32,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 08:54:22" (2/3) ... [2018-10-26 20:54:32,205 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d2890b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 08:54:32, skipping insertion in model container [2018-10-26 20:54:32,205 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:32" (3/3) ... [2018-10-26 20:54:32,206 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832b_true-unreach-call.c [2018-10-26 20:54:32,212 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 20:54:32,218 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 20:54:32,228 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 20:54:32,250 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-26 20:54:32,251 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 20:54:32,251 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 20:54:32,251 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 20:54:32,251 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 20:54:32,251 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 20:54:32,251 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 20:54:32,251 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 20:54:32,251 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 20:54:32,264 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-10-26 20:54:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 20:54:32,269 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:32,270 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 20:54:32,272 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:32,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:32,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1894497446, now seen corresponding path program 1 times [2018-10-26 20:54:32,280 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:54:32,280 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:54:32,289 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:32,414 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:54:32,430 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 20:54:32,430 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:54:32,445 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:32,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 20:54:32,448 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 20:54:32,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 20:54:32,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 20:54:32,462 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-10-26 20:54:32,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:32,482 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-10-26 20:54:32,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 20:54:32,483 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-10-26 20:54:32,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:32,493 INFO L225 Difference]: With dead ends: 82 [2018-10-26 20:54:32,493 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 20:54:32,496 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 20:54:32,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 20:54:32,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-26 20:54:32,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 20:54:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-10-26 20:54:32,530 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-10-26 20:54:32,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:32,531 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-10-26 20:54:32,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 20:54:32,531 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-10-26 20:54:32,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 20:54:32,532 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:32,532 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 20:54:32,532 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:32,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:32,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1238667486, now seen corresponding path program 1 times [2018-10-26 20:54:32,533 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:54:32,533 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2018-10-26 20:54:32,543 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 20:54:32,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:32,680 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:54:33,034 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 20:54:33,034 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:54:33,052 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:33,052 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:54:33,053 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:54:33,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:54:33,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:54:33,054 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 7 states. [2018-10-26 20:54:42,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:42,949 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2018-10-26 20:54:43,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:54:43,003 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-10-26 20:54:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:43,006 INFO L225 Difference]: With dead ends: 52 [2018-10-26 20:54:43,006 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 20:54:43,007 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:54:43,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 20:54:43,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-10-26 20:54:43,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 20:54:43,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-10-26 20:54:43,013 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 17 [2018-10-26 20:54:43,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:43,014 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-10-26 20:54:43,014 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:54:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-10-26 20:54:43,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 20:54:43,015 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:43,015 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 20:54:43,015 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:43,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:43,017 INFO L82 PathProgramCache]: Analyzing trace with hash -805933126, now seen corresponding path program 1 times [2018-10-26 20:54:43,017 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:54:43,017 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:54:43,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:43,196 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:54:43,445 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 20:54:43,446 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:54:43,464 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:43,464 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:54:43,464 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:54:43,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:54:43,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:54:43,465 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-10-26 20:54:53,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:54:53,778 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-10-26 20:54:53,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:54:53,837 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-10-26 20:54:53,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:54:53,838 INFO L225 Difference]: With dead ends: 52 [2018-10-26 20:54:53,838 INFO L226 Difference]: Without dead ends: 46 [2018-10-26 20:54:53,841 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:54:53,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-10-26 20:54:53,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-10-26 20:54:53,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 20:54:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-10-26 20:54:53,844 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 19 [2018-10-26 20:54:53,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:54:53,845 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-10-26 20:54:53,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:54:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-10-26 20:54:53,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:54:53,845 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:54:53,845 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 20:54:53,845 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:54:53,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:54:53,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1463319260, now seen corresponding path program 1 times [2018-10-26 20:54:53,846 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:54:53,846 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-10-26 20:54:53,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:54:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:54:53,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:54:54,111 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 20:54:54,111 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:54:54,128 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:54:54,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:54:54,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:54:54,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:54:54,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:54:54,130 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 7 states. [2018-10-26 20:55:02,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:02,803 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2018-10-26 20:55:02,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:55:02,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-10-26 20:55:02,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:02,864 INFO L225 Difference]: With dead ends: 52 [2018-10-26 20:55:02,864 INFO L226 Difference]: Without dead ends: 44 [2018-10-26 20:55:02,865 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:55:02,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-26 20:55:02,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-10-26 20:55:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 20:55:02,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-10-26 20:55:02,869 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 20 [2018-10-26 20:55:02,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:02,869 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-10-26 20:55:02,869 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:55:02,869 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-10-26 20:55:02,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 20:55:02,870 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:02,870 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 20:55:02,870 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:02,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:02,870 INFO L82 PathProgramCache]: Analyzing trace with hash -779106723, now seen corresponding path program 1 times [2018-10-26 20:55:02,873 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:02,874 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:55:02,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:02,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:02,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:03,094 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 20:55:03,095 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:03,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:03,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:55:03,103 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:55:03,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:55:03,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:55:03,104 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 7 states. [2018-10-26 20:55:12,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:12,184 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-10-26 20:55:12,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:55:12,185 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-10-26 20:55:12,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:12,186 INFO L225 Difference]: With dead ends: 50 [2018-10-26 20:55:12,186 INFO L226 Difference]: Without dead ends: 44 [2018-10-26 20:55:12,187 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:55:12,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-10-26 20:55:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-10-26 20:55:12,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 20:55:12,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-10-26 20:55:12,192 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2018-10-26 20:55:12,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:12,192 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-10-26 20:55:12,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:55:12,193 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-10-26 20:55:12,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 20:55:12,193 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:12,193 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 20:55:12,194 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:12,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:12,194 INFO L82 PathProgramCache]: Analyzing trace with hash 794830730, now seen corresponding path program 1 times [2018-10-26 20:55:12,194 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:12,194 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:55:12,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:12,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:12,849 WARN L179 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-10-26 20:55:12,949 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 20:55:12,949 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:12,960 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:12,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-26 20:55:12,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-26 20:55:12,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-26 20:55:12,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-10-26 20:55:12,961 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 8 states. [2018-10-26 20:55:16,740 WARN L179 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-26 20:55:23,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:23,492 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-10-26 20:55:23,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:55:23,493 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-10-26 20:55:23,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:23,494 INFO L225 Difference]: With dead ends: 48 [2018-10-26 20:55:23,494 INFO L226 Difference]: Without dead ends: 42 [2018-10-26 20:55:23,494 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:55:23,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-10-26 20:55:23,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-10-26 20:55:23,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 20:55:23,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-10-26 20:55:23,498 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 23 [2018-10-26 20:55:23,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:23,498 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-10-26 20:55:23,498 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-26 20:55:23,498 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-10-26 20:55:23,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 20:55:23,499 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:23,499 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 20:55:23,499 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:23,501 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:23,501 INFO L82 PathProgramCache]: Analyzing trace with hash -800072816, now seen corresponding path program 1 times [2018-10-26 20:55:23,501 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:23,501 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:55:23,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:24,297 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:24,396 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 20:55:24,397 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:24,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:24,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:55:24,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:55:24,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:55:24,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:55:24,422 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 7 states. [2018-10-26 20:55:37,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:37,554 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-10-26 20:55:37,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 20:55:37,617 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-10-26 20:55:37,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:37,618 INFO L225 Difference]: With dead ends: 61 [2018-10-26 20:55:37,618 INFO L226 Difference]: Without dead ends: 40 [2018-10-26 20:55:37,618 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 20:55:37,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-10-26 20:55:37,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-10-26 20:55:37,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-10-26 20:55:37,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-10-26 20:55:37,622 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 24 [2018-10-26 20:55:37,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:37,622 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-10-26 20:55:37,623 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:55:37,623 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-10-26 20:55:37,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:55:37,623 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:37,625 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 20:55:37,625 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:37,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:37,625 INFO L82 PathProgramCache]: Analyzing trace with hash 499020678, now seen corresponding path program 1 times [2018-10-26 20:55:37,626 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:37,626 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:55:37,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:38,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:38,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:39,481 WARN L179 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 20:55:39,496 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 20:55:39,496 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:39,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:39,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:55:39,510 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:55:39,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:55:39,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:55:39,510 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 6 states. [2018-10-26 20:55:42,867 WARN L179 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 20:55:49,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:55:49,327 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-10-26 20:55:49,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:55:49,332 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-10-26 20:55:49,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:55:49,333 INFO L225 Difference]: With dead ends: 47 [2018-10-26 20:55:49,333 INFO L226 Difference]: Without dead ends: 41 [2018-10-26 20:55:49,333 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:55:49,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-10-26 20:55:49,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-10-26 20:55:49,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-10-26 20:55:49,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-10-26 20:55:49,337 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2018-10-26 20:55:49,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:55:49,337 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-10-26 20:55:49,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:55:49,337 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-10-26 20:55:49,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 20:55:49,338 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:55:49,338 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 20:55:49,338 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:55:49,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:55:49,338 INFO L82 PathProgramCache]: Analyzing trace with hash -765469551, now seen corresponding path program 1 times [2018-10-26 20:55:49,345 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:55:49,345 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:55:49,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:55:50,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:55:50,366 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:55:50,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 20:55:50,459 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:55:50,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:55:50,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 20:55:50,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 20:55:50,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 20:55:50,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:55:50,476 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-10-26 20:56:02,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:56:02,925 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-10-26 20:56:02,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 20:56:02,983 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-10-26 20:56:02,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:56:02,984 INFO L225 Difference]: With dead ends: 58 [2018-10-26 20:56:02,984 INFO L226 Difference]: Without dead ends: 37 [2018-10-26 20:56:02,984 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-10-26 20:56:02,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-10-26 20:56:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-10-26 20:56:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-10-26 20:56:02,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-10-26 20:56:02,988 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 25 [2018-10-26 20:56:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:56:02,988 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-10-26 20:56:02,988 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 20:56:02,988 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-10-26 20:56:02,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-10-26 20:56:02,988 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 20:56:02,989 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 20:56:02,989 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 20:56:02,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 20:56:02,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1328246963, now seen corresponding path program 1 times [2018-10-26 20:56:02,989 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-10-26 20:56:02,989 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/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 20:56:02,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 20:56:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 20:56:03,853 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 20:56:04,666 WARN L179 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 20:56:04,676 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 20:56:04,676 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-26 20:56:04,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 20:56:04,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 20:56:04,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 20:56:04,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 20:56:04,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-26 20:56:04,691 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 6 states. [2018-10-26 20:56:06,167 WARN L179 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-10-26 20:56:10,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 20:56:10,564 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-10-26 20:56:10,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 20:56:10,631 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-10-26 20:56:10,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 20:56:10,631 INFO L225 Difference]: With dead ends: 37 [2018-10-26 20:56:10,631 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 20:56:10,632 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-26 20:56:10,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 20:56:10,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 20:56:10,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 20:56:10,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 20:56:10,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-10-26 20:56:10,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 20:56:10,633 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 20:56:10,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 20:56:10,633 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 20:56:10,633 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 20:56:10,638 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 20:56:11,112 WARN L179 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2018-10-26 20:56:11,510 WARN L179 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2018-10-26 20:56:11,534 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-10-26 20:56:11,534 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-10-26 20:56:11,534 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-10-26 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-10-26 20:56:11,535 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 20:56:11,535 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-10-26 20:56:11,536 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 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-10-26 20:56:11,536 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-10-26 20:56:11,536 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 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 20:56:11,537 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 20:56:11,537 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-10-26 20:56:11,537 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-10-26 20:56:11,538 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)))) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0)) (= main_~x~0 (fp.neg (_ +zero 8 24)))) [2018-10-26 20:56:11,538 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-10-26 20:56:11,544 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,545 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,545 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,545 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,545 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,546 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,546 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,549 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,549 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,549 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,550 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,550 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,551 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,551 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,551 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,552 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,552 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,552 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,552 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,552 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,553 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,553 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,553 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,553 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,553 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,554 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,554 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,554 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,555 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,555 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,562 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 08:56:11 BoogieIcfgContainer [2018-10-26 20:56:11,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 20:56:11,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 20:56:11,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 20:56:11,565 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 20:56:11,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 08:54:32" (3/4) ... [2018-10-26 20:56:11,570 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 20:56:11,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-10-26 20:56:11,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 20:56:11,576 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 20:56:11,583 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-10-26 20:56:11,586 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-10-26 20:56:11,586 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-10-26 20:56:11,587 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 20:56:11,607 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 20:56:11,608 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 20:56:11,608 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 20:56:11,653 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0ef53863-d44e-4d8c-8a93-7f383a00702f/bin-2019/utaipan/witness.graphml [2018-10-26 20:56:11,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 20:56:11,654 INFO L168 Benchmark]: Toolchain (without parser) took 109289.55 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 229.1 MB). Free memory was 954.6 MB in the beginning and 1.1 GB in the end (delta: -134.9 MB). Peak memory consumption was 94.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:56:11,655 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 20:56:11,655 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.56 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 20:56:11,655 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.06 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 20:56:11,655 INFO L168 Benchmark]: Boogie Preprocessor took 65.07 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 20:56:11,655 INFO L168 Benchmark]: RCFGBuilder took 9392.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-10-26 20:56:11,656 INFO L168 Benchmark]: TraceAbstraction took 99363.52 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: 24.1 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. [2018-10-26 20:56:11,656 INFO L168 Benchmark]: Witness Printer took 89.08 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 20:56:11,661 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.56 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 65.06 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 65.07 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 9392.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 933.1 MB in the beginning and 1.1 GB in the end (delta: -194.1 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 99363.52 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: 24.1 MB). Peak memory consumption was 71.3 MB. Max. memory is 11.5 GB. * Witness Printer took 89.08 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 20:56:11,665 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,665 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,665 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,665 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,666 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,666 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,666 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,666 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,666 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,667 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,667 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,667 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,667 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,667 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,684 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,684 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 20:56:11,684 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,684 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,685 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,686 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 20:56:11,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,686 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,687 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,687 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,688 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,688 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,688 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-10-26 20:56:11,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,688 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-10-26 20:56:11,688 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, 99.2s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 90.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 352 SDtfs, 425 SDslu, 1008 SDs, 0 SdLazy, 397 SolverSat, 3 SolverUnsat, 31 SolverUnknown, 0 SolverNotchecked, 84.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 237 GetRequests, 164 SyntacticMatches, 3 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 6.2s 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, 128 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 220 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.7s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 210 ConstructedInterpolants, 38 QuantifiedInterpolants, 46147 SizeOfPredicates, 59 NumberOfNonLiveVariables, 1434 ConjunctsInSsa, 74 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...