./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11ee320e5dd60225454ae4b669c3bcedd1b28d2a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:43:36,253 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:43:36,255 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:43:36,263 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:43:36,263 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:43:36,264 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:43:36,264 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:43:36,266 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:43:36,267 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:43:36,267 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:43:36,268 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:43:36,268 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:43:36,269 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:43:36,269 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:43:36,270 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:43:36,271 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:43:36,271 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:43:36,272 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:43:36,274 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:43:36,275 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:43:36,275 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:43:36,276 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:43:36,278 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:43:36,278 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:43:36,278 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:43:36,279 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:43:36,279 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:43:36,280 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:43:36,280 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:43:36,281 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:43:36,281 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:43:36,282 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:43:36,282 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:43:36,282 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:43:36,283 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:43:36,284 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:43:36,284 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:43:36,294 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:43:36,294 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:43:36,295 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:43:36,295 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:43:36,295 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:43:36,295 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:43:36,296 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:43:36,296 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:43:36,296 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:43:36,296 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:43:36,296 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:43:36,297 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:43:36,297 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:43:36,298 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:43:36,298 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:43:36,298 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:43:36,298 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:43:36,298 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:43:36,300 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:43:36,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:43:36,301 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:43:36,301 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:43:36,301 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:43:36,301 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:43:36,301 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:43:36,301 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:43:36,301 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:43:36,301 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_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-11-10 10:43:36,326 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:43:36,335 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:43:36,338 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:43:36,339 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:43:36,340 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:43:36,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 10:43:36,386 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/7c2e53425/15889027fb0e4a1ea4daa683179df033/FLAG8a93c3234 [2018-11-10 10:43:36,794 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:43:36,795 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 10:43:36,801 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/7c2e53425/15889027fb0e4a1ea4daa683179df033/FLAG8a93c3234 [2018-11-10 10:43:36,811 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/7c2e53425/15889027fb0e4a1ea4daa683179df033 [2018-11-10 10:43:36,813 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:43:36,814 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:43:36,815 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:43:36,815 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:43:36,817 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:43:36,818 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:36" (1/1) ... [2018-11-10 10:43:36,820 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@177ef697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:36, skipping insertion in model container [2018-11-10 10:43:36,820 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:36" (1/1) ... [2018-11-10 10:43:36,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:43:36,844 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:43:36,975 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:43:36,980 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:43:37,007 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:43:37,025 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:43:37,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37 WrapperNode [2018-11-10 10:43:37,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:43:37,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:43:37,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:43:37,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:43:37,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,039 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,095 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:43:37,095 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:43:37,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:43:37,096 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:43:37,104 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,109 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,117 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,125 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... [2018-11-10 10:43:37,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:43:37,128 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:43:37,128 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:43:37,129 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:43:37,129 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 10:43:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 10:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:43:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:43:37,167 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:43:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:43:37,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:43:37,467 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:43:37,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:37 BoogieIcfgContainer [2018-11-10 10:43:37,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:43:37,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:43:37,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:43:37,470 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:43:37,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:43:36" (1/3) ... [2018-11-10 10:43:37,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5467f887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:37, skipping insertion in model container [2018-11-10 10:43:37,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:37" (2/3) ... [2018-11-10 10:43:37,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5467f887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:37, skipping insertion in model container [2018-11-10 10:43:37,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:37" (3/3) ... [2018-11-10 10:43:37,473 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-11-10 10:43:37,479 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:43:37,485 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:43:37,495 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:43:37,517 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:43:37,517 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:43:37,517 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:43:37,517 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:43:37,517 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:43:37,517 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:43:37,517 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:43:37,517 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:43:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-11-10 10:43:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:43:37,535 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:43:37,535 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:43:37,537 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:43:37,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:43:37,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1894497446, now seen corresponding path program 1 times [2018-11-10 10:43:37,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:43:37,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:43:37,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:43:37,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:43:37,575 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:43:37,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:37,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:37,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:43:37,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:43:37,670 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:43:37,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:43:37,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:43:37,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:43:37,683 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-11-10 10:43:37,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:43:37,699 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-11-10 10:43:37,699 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:43:37,700 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-10 10:43:37,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:43:37,707 INFO L225 Difference]: With dead ends: 82 [2018-11-10 10:43:37,708 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 10:43:37,710 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:43:37,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 10:43:37,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-10 10:43:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 10:43:37,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-11-10 10:43:37,734 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-11-10 10:43:37,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:43:37,735 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-11-10 10:43:37,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:43:37,735 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-10 10:43:37,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 10:43:37,735 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:43:37,735 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:43:37,736 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:43:37,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:43:37,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1238667486, now seen corresponding path program 1 times [2018-11-10 10:43:37,736 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:43:37,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:43:37,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:43:37,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:43:37,738 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:43:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:43:37,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 10:43:37,817 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 10:43:37,832 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,833 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,833 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,834 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,835 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,835 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,835 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,836 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,837 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 10:43:37,838 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,839 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled [2018-11-10 10:43:37,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:43:37 BoogieIcfgContainer [2018-11-10 10:43:37,860 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:43:37,860 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:43:37,861 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:43:37,861 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:43:37,861 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:37" (3/4) ... [2018-11-10 10:43:37,863 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-10 10:43:37,864 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:43:37,864 INFO L168 Benchmark]: Toolchain (without parser) took 1050.29 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 958.1 MB in the beginning and 1.0 GB in the end (delta: -81.5 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:37,865 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:43:37,865 INFO L168 Benchmark]: CACSL2BoogieTranslator took 211.14 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 944.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:37,866 INFO L168 Benchmark]: Boogie Procedure Inliner took 69.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:37,866 INFO L168 Benchmark]: Boogie Preprocessor took 32.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:37,867 INFO L168 Benchmark]: RCFGBuilder took 339.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:37,867 INFO L168 Benchmark]: TraceAbstraction took 392.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-10 10:43:37,868 INFO L168 Benchmark]: Witness Printer took 3.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:43:37,870 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 211.14 ms. Allocated memory is still 1.0 GB. Free memory was 958.1 MB in the beginning and 944.5 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 69.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.9 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -172.3 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 339.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 34.2 MB). Peak memory consumption was 34.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 392.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 3.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList ULTIMATE.dealloc_~addr : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 122]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 121, overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of bitwiseAnd at line 46, overapproximation of someBinaryArithmeticFLOAToperation at line 50. Possible FailurePath: [L15-L34] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L15-L34] RET static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; VAL [\old(halF_exp)=35, \old(halF_exp)=17, \old(huge_exp)=27, \old(invln2_exp)=11, \old(ln2HI_exp)=9, \old(ln2HI_exp)=32, \old(ln2LO_exp)=19, \old(ln2LO_exp)=34, \old(one_exp)=24, \old(P1_exp)=16, \old(P2_exp)=18, \old(P3_exp)=20, \old(P4_exp)=23, \old(P5_exp)=22, \old(twom100_exp)=10, halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L117] float x = 0.0f; VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] CALL, EXPR __ieee754_expf(x) VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L37] float y, hi, lo, c, t; [L38] __int32_t k = 0, xsb, sx; [L39] __uint32_t hx; VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L42] CALL ieee_float_shape_type gf_u; [L42] RET ieee_float_shape_type gf_u; [L43] CALL gf_u.value = (x) [L43] RET gf_u.value = (x) [L44] CALL, EXPR gf_u.word [L44] RET, EXPR gf_u.word [L44] (sx) = gf_u.word [L44] RET (sx) = gf_u.word [L45] COND FALSE !(0) VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] RET return x + x; VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L118] EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=26, halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L118] float res = __ieee754_expf(x); [L121] COND TRUE res != 1.0f VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=26, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] [L122] __VERIFIER_error() VAL [halF_exp={14:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={31:0}, ln2LO_exp={13:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=26, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 45 locations, 1 error locations. UNSAFE Result, 0.3s 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 [2018-11-10 10:43:39,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:43:39,414 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:43:39,422 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:43:39,422 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:43:39,423 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:43:39,424 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:43:39,425 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:43:39,426 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:43:39,427 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:43:39,428 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:43:39,428 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:43:39,428 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:43:39,429 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:43:39,430 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:43:39,431 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:43:39,431 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:43:39,432 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:43:39,434 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:43:39,435 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:43:39,436 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:43:39,436 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:43:39,438 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:43:39,439 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:43:39,439 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:43:39,439 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:43:39,440 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:43:39,441 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:43:39,441 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:43:39,442 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:43:39,443 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:43:39,443 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:43:39,444 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:43:39,444 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:43:39,444 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:43:39,445 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:43:39,445 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-11-10 10:43:39,456 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:43:39,456 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:43:39,457 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:43:39,457 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:43:39,457 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:43:39,457 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:43:39,457 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:43:39,457 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:43:39,458 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:43:39,458 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-11-10 10:43:39,459 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:43:39,460 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:43:39,460 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:43:39,461 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:43:39,461 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:43:39,461 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:43:39,461 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-11-10 10:43:39,461 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:43:39,461 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-11-10 10:43:39,461 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-11-10 10:43:39,461 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_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11ee320e5dd60225454ae4b669c3bcedd1b28d2a [2018-11-10 10:43:39,495 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:43:39,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:43:39,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:43:39,509 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:43:39,509 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:43:39,509 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 10:43:39,549 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/073442714/e984d784e2fe47a4ba656d143edfbf5d/FLAGb748410fc [2018-11-10 10:43:39,889 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:43:39,890 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/sv-benchmarks/c/float-newlib/float_req_bl_0832a_true-unreach-call.c [2018-11-10 10:43:39,894 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/073442714/e984d784e2fe47a4ba656d143edfbf5d/FLAGb748410fc [2018-11-10 10:43:39,904 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/data/073442714/e984d784e2fe47a4ba656d143edfbf5d [2018-11-10 10:43:39,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:43:39,908 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:43:39,908 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:43:39,909 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:43:39,912 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:43:39,913 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:39" (1/1) ... [2018-11-10 10:43:39,915 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78a44af8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:39, skipping insertion in model container [2018-11-10 10:43:39,915 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:43:39" (1/1) ... [2018-11-10 10:43:39,924 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:43:39,945 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:43:40,115 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:43:40,121 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:43:40,156 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:43:40,178 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:43:40,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40 WrapperNode [2018-11-10 10:43:40,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:43:40,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:43:40,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:43:40,180 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:43:40,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:43:40,229 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:43:40,229 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:43:40,229 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:43:40,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,242 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,259 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... [2018-11-10 10:43:40,313 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:43:40,314 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:43:40,314 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:43:40,314 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:43:40,314 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:43:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-11-10 10:43:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-11-10 10:43:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:43:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:43:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:43:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:43:40,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:43:40,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:43:40,479 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:43:48,183 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:43:48,217 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:43:48,340 WARN L317 ript$VariableManager]: TermVariabe |qquantified_#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-10 10:43:48,353 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:43:48,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:48 BoogieIcfgContainer [2018-11-10 10:43:48,353 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:43:48,354 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:43:48,354 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:43:48,356 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:43:48,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:43:39" (1/3) ... [2018-11-10 10:43:48,357 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ea7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:48, skipping insertion in model container [2018-11-10 10:43:48,357 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:43:40" (2/3) ... [2018-11-10 10:43:48,358 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c2ea7c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:43:48, skipping insertion in model container [2018-11-10 10:43:48,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:48" (3/3) ... [2018-11-10 10:43:48,359 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0832a_true-unreach-call.c [2018-11-10 10:43:48,364 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:43:48,369 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:43:48,378 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:43:48,395 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-11-10 10:43:48,395 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:43:48,395 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:43:48,396 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:43:48,396 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:43:48,396 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:43:48,396 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:43:48,396 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:43:48,396 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:43:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2018-11-10 10:43:48,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 10:43:48,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:43:48,413 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:43:48,414 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:43:48,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:43:48,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1894497446, now seen corresponding path program 1 times [2018-11-10 10:43:48,421 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:43:48,422 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-11-10 10:43:48,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:43:48,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:48,535 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:43:48,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:48,552 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:43:48,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:43:48,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:43:48,569 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:43:48,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:43:48,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:43:48,583 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2018-11-10 10:43:48,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:43:48,600 INFO L93 Difference]: Finished difference Result 82 states and 124 transitions. [2018-11-10 10:43:48,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:43:48,601 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2018-11-10 10:43:48,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:43:48,609 INFO L225 Difference]: With dead ends: 82 [2018-11-10 10:43:48,609 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 10:43:48,611 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 [2018-11-10 10:43:48,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 10:43:48,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-10 10:43:48,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 10:43:48,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 51 transitions. [2018-11-10 10:43:48,634 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 51 transitions. Word has length 16 [2018-11-10 10:43:48,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:43:48,634 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 51 transitions. [2018-11-10 10:43:48,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:43:48,634 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 51 transitions. [2018-11-10 10:43:48,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 10:43:48,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:43:48,635 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:43:48,635 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:43:48,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:43:48,636 INFO L82 PathProgramCache]: Analyzing trace with hash 1238667486, now seen corresponding path program 1 times [2018-11-10 10:43:48,636 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:43:48,637 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-11-10 10:43:48,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:43:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:48,740 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:43:48,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:48,821 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:43:48,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:43:48,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:43:48,830 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:43:48,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:43:48,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:43:48,831 INFO L87 Difference]: Start difference. First operand 41 states and 51 transitions. Second operand 7 states. [2018-11-10 10:43:58,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:43:58,414 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2018-11-10 10:43:58,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:43:58,466 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 17 [2018-11-10 10:43:58,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:43:58,468 INFO L225 Difference]: With dead ends: 52 [2018-11-10 10:43:58,468 INFO L226 Difference]: Without dead ends: 46 [2018-11-10 10:43:58,469 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:43:58,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-10 10:43:58,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-11-10 10:43:58,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 10:43:58,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 50 transitions. [2018-11-10 10:43:58,473 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 50 transitions. Word has length 17 [2018-11-10 10:43:58,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:43:58,473 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 50 transitions. [2018-11-10 10:43:58,473 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:43:58,474 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2018-11-10 10:43:58,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 10:43:58,474 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:43:58,474 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:43:58,474 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:43:58,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:43:58,475 INFO L82 PathProgramCache]: Analyzing trace with hash -805933126, now seen corresponding path program 1 times [2018-11-10 10:43:58,475 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:43:58,475 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-11-10 10:43:58,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:43:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:43:58,615 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:43:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:43:58,669 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:43:58,681 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:43:58,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:43:58,682 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:43:58,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:43:58,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:43:58,683 INFO L87 Difference]: Start difference. First operand 41 states and 50 transitions. Second operand 6 states. [2018-11-10 10:44:07,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:44:07,516 INFO L93 Difference]: Finished difference Result 52 states and 60 transitions. [2018-11-10 10:44:07,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:44:07,569 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-11-10 10:44:07,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:44:07,570 INFO L225 Difference]: With dead ends: 52 [2018-11-10 10:44:07,570 INFO L226 Difference]: Without dead ends: 46 [2018-11-10 10:44:07,570 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:44:07,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-11-10 10:44:07,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 41. [2018-11-10 10:44:07,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 10:44:07,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 49 transitions. [2018-11-10 10:44:07,575 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 49 transitions. Word has length 19 [2018-11-10 10:44:07,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:44:07,575 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 49 transitions. [2018-11-10 10:44:07,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:44:07,575 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 49 transitions. [2018-11-10 10:44:07,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 10:44:07,576 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:44:07,576 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] [2018-11-10 10:44:07,576 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:44:07,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:44:07,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1463319260, now seen corresponding path program 1 times [2018-11-10 10:44:07,576 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:44:07,576 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-11-10 10:44:07,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:44:07,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:07,671 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:44:07,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:07,739 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:44:07,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:44:07,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:44:07,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:44:07,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:44:07,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:44:07,752 INFO L87 Difference]: Start difference. First operand 41 states and 49 transitions. Second operand 7 states. [2018-11-10 10:44:16,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:44:16,075 INFO L93 Difference]: Finished difference Result 52 states and 59 transitions. [2018-11-10 10:44:16,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:44:16,133 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-11-10 10:44:16,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:44:16,133 INFO L225 Difference]: With dead ends: 52 [2018-11-10 10:44:16,134 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 10:44:16,134 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:44:16,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 10:44:16,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-11-10 10:44:16,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:44:16,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 45 transitions. [2018-11-10 10:44:16,137 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 45 transitions. Word has length 20 [2018-11-10 10:44:16,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:44:16,137 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 45 transitions. [2018-11-10 10:44:16,137 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:44:16,137 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 45 transitions. [2018-11-10 10:44:16,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-11-10 10:44:16,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:44:16,138 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] [2018-11-10 10:44:16,138 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:44:16,138 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:44:16,138 INFO L82 PathProgramCache]: Analyzing trace with hash -779106723, now seen corresponding path program 1 times [2018-11-10 10:44:16,139 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:44:16,139 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-11-10 10:44:16,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:44:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:16,243 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:44:16,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:16,282 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:44:16,290 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:44:16,290 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:44:16,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:44:16,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:44:16,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:44:16,291 INFO L87 Difference]: Start difference. First operand 39 states and 45 transitions. Second operand 6 states. [2018-11-10 10:44:24,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:44:24,799 INFO L93 Difference]: Finished difference Result 50 states and 55 transitions. [2018-11-10 10:44:24,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:44:24,800 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2018-11-10 10:44:24,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:44:24,801 INFO L225 Difference]: With dead ends: 50 [2018-11-10 10:44:24,801 INFO L226 Difference]: Without dead ends: 44 [2018-11-10 10:44:24,801 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:44:24,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-11-10 10:44:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2018-11-10 10:44:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:44:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 44 transitions. [2018-11-10 10:44:24,806 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 44 transitions. Word has length 20 [2018-11-10 10:44:24,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:44:24,806 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 44 transitions. [2018-11-10 10:44:24,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:44:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 44 transitions. [2018-11-10 10:44:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-11-10 10:44:24,807 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:44:24,807 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:44:24,807 INFO L424 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:44:24,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:44:24,808 INFO L82 PathProgramCache]: Analyzing trace with hash 794830730, now seen corresponding path program 1 times [2018-11-10 10:44:24,808 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:44:24,808 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/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 [2018-11-10 10:44:24,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:44:24,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:24,925 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:44:25,517 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 11 [2018-11-10 10:44:25,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:25,595 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:44:25,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:44:25,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 10:44:25,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 10:44:25,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 10:44:25,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-11-10 10:44:25,606 INFO L87 Difference]: Start difference. First operand 39 states and 44 transitions. Second operand 8 states. [2018-11-10 10:44:29,339 WARN L179 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-11-10 10:44:35,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:44:35,654 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2018-11-10 10:44:35,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:44:35,655 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2018-11-10 10:44:35,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:44:35,655 INFO L225 Difference]: With dead ends: 48 [2018-11-10 10:44:35,656 INFO L226 Difference]: Without dead ends: 42 [2018-11-10 10:44:35,656 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 [2018-11-10 10:44:35,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-11-10 10:44:35,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2018-11-10 10:44:35,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:44:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2018-11-10 10:44:35,658 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 23 [2018-11-10 10:44:35,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:44:35,658 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2018-11-10 10:44:35,658 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 10:44:35,658 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2018-11-10 10:44:35,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 10:44:35,659 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:44:35,659 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:44:35,659 INFO L424 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:44:35,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:44:35,659 INFO L82 PathProgramCache]: Analyzing trace with hash -800072816, now seen corresponding path program 1 times [2018-11-10 10:44:35,659 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:44:35,659 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/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 [2018-11-10 10:44:35,662 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:44:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:36,389 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:44:36,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:36,452 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:44:36,472 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:44:36,472 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:44:36,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:44:36,472 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:44:36,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:44:36,472 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 7 states. [2018-11-10 10:44:49,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:44:49,389 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2018-11-10 10:44:49,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-10 10:44:49,449 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-11-10 10:44:49,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:44:49,449 INFO L225 Difference]: With dead ends: 61 [2018-11-10 10:44:49,449 INFO L226 Difference]: Without dead ends: 40 [2018-11-10 10:44:49,450 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-10 10:44:49,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-11-10 10:44:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-11-10 10:44:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-11-10 10:44:49,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 41 transitions. [2018-11-10 10:44:49,452 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 41 transitions. Word has length 24 [2018-11-10 10:44:49,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:44:49,453 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 41 transitions. [2018-11-10 10:44:49,453 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:44:49,453 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 41 transitions. [2018-11-10 10:44:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 10:44:49,453 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:44:49,453 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:44:49,454 INFO L424 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:44:49,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:44:49,454 INFO L82 PathProgramCache]: Analyzing trace with hash 499020678, now seen corresponding path program 1 times [2018-11-10 10:44:49,454 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:44:49,454 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/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 [2018-11-10 10:44:49,460 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:44:50,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:44:50,217 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:44:51,007 WARN L179 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 10:44:51,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:44:51,011 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:44:51,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:44:51,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:44:51,025 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:44:51,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:44:51,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:44:51,026 INFO L87 Difference]: Start difference. First operand 39 states and 41 transitions. Second operand 6 states. [2018-11-10 10:44:54,897 WARN L179 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 10:45:01,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:45:01,523 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2018-11-10 10:45:01,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:45:01,528 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2018-11-10 10:45:01,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:45:01,529 INFO L225 Difference]: With dead ends: 47 [2018-11-10 10:45:01,529 INFO L226 Difference]: Without dead ends: 41 [2018-11-10 10:45:01,530 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 [2018-11-10 10:45:01,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-11-10 10:45:01,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-11-10 10:45:01,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-11-10 10:45:01,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2018-11-10 10:45:01,533 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 25 [2018-11-10 10:45:01,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:45:01,533 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2018-11-10 10:45:01,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:45:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2018-11-10 10:45:01,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-10 10:45:01,534 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:45:01,534 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:45:01,534 INFO L424 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:45:01,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:45:01,535 INFO L82 PathProgramCache]: Analyzing trace with hash -765469551, now seen corresponding path program 1 times [2018-11-10 10:45:01,535 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:45:01,535 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/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 [2018-11-10 10:45:01,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:45:02,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:45:02,540 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:45:02,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:45:02,604 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:45:02,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:45:02,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:45:02,620 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:45:02,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:45:02,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:45:02,621 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 7 states. [2018-11-10 10:45:12,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:45:12,409 INFO L93 Difference]: Finished difference Result 58 states and 60 transitions. [2018-11-10 10:45:12,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 10:45:12,471 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2018-11-10 10:45:12,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:45:12,472 INFO L225 Difference]: With dead ends: 58 [2018-11-10 10:45:12,472 INFO L226 Difference]: Without dead ends: 37 [2018-11-10 10:45:12,473 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 [2018-11-10 10:45:12,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-11-10 10:45:12,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-11-10 10:45:12,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-11-10 10:45:12,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-11-10 10:45:12,476 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 25 [2018-11-10 10:45:12,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:45:12,476 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-11-10 10:45:12,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:45:12,476 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-11-10 10:45:12,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 10:45:12,477 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:45:12,477 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] [2018-11-10 10:45:12,477 INFO L424 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:45:12,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:45:12,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1328246963, now seen corresponding path program 1 times [2018-11-10 10:45:12,477 INFO L225 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-11-10 10:45:12,477 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/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 [2018-11-10 10:45:12,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:45:13,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:45:13,275 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-10 10:45:13,956 WARN L179 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-10 10:45:13,960 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:45:13,960 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-11-10 10:45:13,975 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:45:13,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 10:45:13,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 10:45:13,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 10:45:13,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-10 10:45:13,976 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 6 states. [2018-11-10 10:45:15,316 WARN L179 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 18 [2018-11-10 10:45:19,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:45:19,606 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-11-10 10:45:19,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 10:45:19,670 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2018-11-10 10:45:19,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:45:19,671 INFO L225 Difference]: With dead ends: 37 [2018-11-10 10:45:19,671 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:45:19,671 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 25 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:45:19,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:45:19,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:45:19,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:45:19,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:45:19,672 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2018-11-10 10:45:19,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:45:19,672 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:45:19,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 10:45:19,672 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:45:19,672 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:45:19,675 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:45:20,076 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2018-11-10 10:45:20,427 WARN L179 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 28 [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L102-2(lines 95 108) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L102-3(lines 102 106) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-11-10 10:45:20,450 INFO L425 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L428 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-11-10 10:45:20,451 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)))))) [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L89-2(lines 82 95) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L89-3(lines 89 93) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-11-10 10:45:20,451 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))) [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L41-4(lines 41 45) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-11-10 10:45:20,451 INFO L425 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-11-10 10:45:20,452 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)))))) [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:45:20,452 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:45:20,452 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)) [2018-11-10 10:45:20,452 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:45:20,452 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 122) no Hoare annotation was computed. [2018-11-10 10:45:20,453 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 111 127) the Hoare annotation is: true [2018-11-10 10:45:20,453 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 111 127) no Hoare annotation was computed. [2018-11-10 10:45:20,453 INFO L425 ceAbstractionStarter]: For program point L122(line 122) no Hoare annotation was computed. [2018-11-10 10:45:20,453 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 124) no Hoare annotation was computed. [2018-11-10 10:45:20,453 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 111 127) no Hoare annotation was computed. [2018-11-10 10:45:20,453 INFO L421 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (or (not (= ~huge_exp~0 ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1000000000000000000000000000000.0)))) (= (_ +zero 8 24) main_~x~0) (not (= ((_ to_fp 8 24) RNE ((_ to_fp 11 53) RNE 1.0)) ~one_exp~0))) [2018-11-10 10:45:20,453 INFO L425 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-11-10 10:45:20,458 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,459 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,459 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,459 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,459 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,459 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,459 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,460 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,462 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,462 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,462 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,462 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,463 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,463 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,463 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,463 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,464 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,464 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,464 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,464 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,465 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,466 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,467 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,467 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,467 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,467 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,467 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,468 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:45:20 BoogieIcfgContainer [2018-11-10 10:45:20,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:45:20,470 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:45:20,470 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:45:20,470 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:45:20,471 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:43:48" (3/4) ... [2018-11-10 10:45:20,473 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:45:20,477 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-11-10 10:45:20,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:45:20,478 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:45:20,483 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 110 nodes and edges [2018-11-10 10:45:20,484 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 60 nodes and edges [2018-11-10 10:45:20,484 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-10 10:45:20,484 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 10:45:20,501 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) [2018-11-10 10:45:20,502 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)) [2018-11-10 10:45:20,502 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)) [2018-11-10 10:45:20,546 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f6853692-1a42-4cf9-91c4-118bbb51c612/bin-2019/utaipan/witness.graphml [2018-11-10 10:45:20,546 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:45:20,546 INFO L168 Benchmark]: Toolchain (without parser) took 100639.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -131.5 MB). Peak memory consumption was 65.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,547 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:45:20,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.43 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.5 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,547 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.69 ms. Allocated memory is still 1.0 GB. Free memory was 934.5 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,548 INFO L168 Benchmark]: Boogie Preprocessor took 84.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,548 INFO L168 Benchmark]: RCFGBuilder took 8039.77 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,548 INFO L168 Benchmark]: TraceAbstraction took 92115.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.4 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,549 INFO L168 Benchmark]: Witness Printer took 75.81 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: 7.5 MB). Peak memory consumption was 7.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:45:20,550 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.43 ms. Allocated memory is still 1.0 GB. Free memory was 950.6 MB in the beginning and 934.5 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 49.69 ms. Allocated memory is still 1.0 GB. Free memory was 934.5 MB in the beginning and 929.1 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 84.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 929.1 MB in the beginning and 1.1 GB in the end (delta: -186.7 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 8039.77 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: 49.7 MB). Peak memory consumption was 49.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 92115.85 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 73.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -23.4 MB). Peak memory consumption was 50.5 MB. Max. memory is 11.5 GB. * Witness Printer took 75.81 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: 7.5 MB). Peak memory consumption was 7.5 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 [2018-11-10 10:45:20,554 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,554 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,554 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,554 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,555 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,555 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,555 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,556 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,556 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,556 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,556 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 [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,557 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 [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,558 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,559 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,559 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,559 WARN L387 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression RoundingMode_RNE [2018-11-10 10:45:20,559 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,559 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,559 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-11-10 10:45:20,559 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, 92.0s OverallTime, 10 OverallIterations, 1 TraceHistogramMax, 84.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 358 SDtfs, 409 SDslu, 1006 SDs, 0 SdLazy, 373 SolverSat, 2 SolverUnsat, 28 SolverUnknown, 0 SolverNotchecked, 79.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 165 SyntacticMatches, 3 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 10 MinimizatonAttempts, 24 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 16 NumberOfFragments, 127 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 220 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 3.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 220 NumberOfCodeBlocks, 220 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 210 ConstructedInterpolants, 34 QuantifiedInterpolants, 45300 SizeOfPredicates, 58 NumberOfNonLiveVariables, 1434 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...