./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/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 1ba8be438fdf209735f867af41e44939ec8afdc4 ........................................................................................................................................................................................................................................................................................................................................... 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_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/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 1ba8be438fdf209735f867af41e44939ec8afdc4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:24:44,147 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:24:44,148 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:24:44,154 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:24:44,154 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:24:44,155 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:24:44,156 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:24:44,157 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:24:44,158 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:24:44,158 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:24:44,159 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:24:44,159 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:24:44,160 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:24:44,160 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:24:44,161 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:24:44,161 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:24:44,161 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:24:44,162 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:24:44,163 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:24:44,164 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:24:44,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:24:44,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:24:44,166 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:24:44,166 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:24:44,166 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:24:44,166 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:24:44,167 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:24:44,167 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:24:44,168 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:24:44,168 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:24:44,168 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:24:44,169 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:24:44,169 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:24:44,169 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:24:44,169 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:24:44,169 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:24:44,170 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 17:24:44,176 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:24:44,177 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:24:44,177 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:24:44,177 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:24:44,177 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:24:44,177 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:24:44,177 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:24:44,177 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 17:24:44,178 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:24:44,178 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:24:44,178 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 17:24:44,178 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 17:24:44,178 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:24:44,178 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:24:44,178 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:24:44,179 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:24:44,180 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:24:44,180 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:24:44,180 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:24:44,180 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:24:44,180 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:24:44,180 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:24:44,180 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:24:44,181 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:24:44,181 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:24:44,181 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:24:44,181 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 17:24:44,181 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:24:44,181 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:24:44,182 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 17:24:44,182 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_264f64bc-865c-41a5-a41b-693c7a8c5343/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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-12-02 17:24:44,205 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:24:44,211 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:24:44,213 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:24:44,214 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:24:44,214 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:24:44,215 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-02 17:24:44,249 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/75d4bb458/0a7064e4abac476593460286748bc571/FLAG3f44c24f2 [2018-12-02 17:24:44,548 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:24:44,549 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-02 17:24:44,553 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/75d4bb458/0a7064e4abac476593460286748bc571/FLAG3f44c24f2 [2018-12-02 17:24:44,981 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/75d4bb458/0a7064e4abac476593460286748bc571 [2018-12-02 17:24:44,983 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:24:44,984 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:24:44,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:24:44,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:24:44,986 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:24:44,987 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:44" (1/1) ... [2018-12-02 17:24:44,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@561b3c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:44, skipping insertion in model container [2018-12-02 17:24:44,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:44" (1/1) ... [2018-12-02 17:24:44,993 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:24:45,007 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:24:45,120 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:24:45,124 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:24:45,145 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:24:45,189 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:24:45,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45 WrapperNode [2018-12-02 17:24:45,189 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:24:45,189 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:24:45,189 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:24:45,189 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:24:45,196 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,205 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:24:45,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:24:45,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:24:45,212 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:24:45,219 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,220 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,221 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... [2018-12-02 17:24:45,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:24:45,236 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:24:45,236 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:24:45,236 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:24:45,237 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:24:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-02 17:24:45,267 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-02 17:24:45,267 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:24:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 17:24:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:24:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:24:45,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2018-12-02 17:24:45,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:24:45,466 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:24:45,466 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 17:24:45,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:45 BoogieIcfgContainer [2018-12-02 17:24:45,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:24:45,467 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:24:45,467 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:24:45,469 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:24:45,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:24:44" (1/3) ... [2018-12-02 17:24:45,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19473c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:45, skipping insertion in model container [2018-12-02 17:24:45,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:45" (2/3) ... [2018-12-02 17:24:45,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19473c09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:45, skipping insertion in model container [2018-12-02 17:24:45,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:45" (3/3) ... [2018-12-02 17:24:45,472 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-12-02 17:24:45,481 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:24:45,486 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:24:45,499 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:24:45,520 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:24:45,520 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:24:45,520 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:24:45,520 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:24:45,520 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:24:45,520 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:24:45,521 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:24:45,521 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:24:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-12-02 17:24:45,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-02 17:24:45,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:24:45,534 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:24:45,536 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:24:45,539 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:24:45,539 INFO L82 PathProgramCache]: Analyzing trace with hash 165020488, now seen corresponding path program 1 times [2018-12-02 17:24:45,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:24:45,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:24:45,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:24:45,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:24:45,567 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:24:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:24:45,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:24:45,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:24:45,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:24:45,632 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 17:24:45,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:24:45,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:24:45,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:24:45,643 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 2 states. [2018-12-02 17:24:45,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:24:45,657 INFO L93 Difference]: Finished difference Result 98 states and 145 transitions. [2018-12-02 17:24:45,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:24:45,658 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 23 [2018-12-02 17:24:45,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:24:45,663 INFO L225 Difference]: With dead ends: 98 [2018-12-02 17:24:45,663 INFO L226 Difference]: Without dead ends: 49 [2018-12-02 17:24:45,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:24:45,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-02 17:24:45,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-12-02 17:24:45,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-02 17:24:45,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2018-12-02 17:24:45,688 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 23 [2018-12-02 17:24:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:24:45,688 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2018-12-02 17:24:45,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:24:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2018-12-02 17:24:45,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-02 17:24:45,688 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:24:45,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:24:45,689 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:24:45,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:24:45,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1743122219, now seen corresponding path program 1 times [2018-12-02 17:24:45,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 17:24:45,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:24:45,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:24:45,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 17:24:45,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 17:24:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:24:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-02 17:24:45,754 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-02 17:24:45,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:24:45 BoogieIcfgContainer [2018-12-02 17:24:45,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:24:45,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:24:45,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:24:45,780 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:24:45,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:45" (3/4) ... [2018-12-02 17:24:45,782 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-02 17:24:45,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:24:45,783 INFO L168 Benchmark]: Toolchain (without parser) took 799.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.7 MB in the beginning and 1.0 GB in the end (delta: -75.3 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2018-12-02 17:24:45,783 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:24:45,784 INFO L168 Benchmark]: CACSL2BoogieTranslator took 204.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:24:45,784 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:24:45,784 INFO L168 Benchmark]: Boogie Preprocessor took 24.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 17:24:45,785 INFO L168 Benchmark]: RCFGBuilder took 230.55 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:24:45,785 INFO L168 Benchmark]: TraceAbstraction took 312.14 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. [2018-12-02 17:24:45,785 INFO L168 Benchmark]: Witness Printer took 2.67 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. [2018-12-02 17:24:45,787 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 204.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 949.7 MB in the beginning and 1.1 GB in the end (delta: -147.3 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.19 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 230.55 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: 29.1 MB). Peak memory consumption was 29.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 312.14 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: 40.3 MB). Peak memory consumption was 40.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.67 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.plugins.generator.traceabstraction: - UnprovableResult [Line: 135]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 50, overapproximation of bitwiseAnd at line 119. 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; VAL [\old(halF_exp)=6442450952, \old(halF_exp)=6442450972, \old(huge_exp)=6442450965, \old(invln2_exp)=6442450948, \old(ln2HI_exp)=6442450945, \old(ln2HI_exp)=6442450970, \old(ln2LO_exp)=6442450971, \old(ln2LO_exp)=6442450956, \old(one_exp)=6442450962, \old(P1_exp)=6442450951, \old(P2_exp)=6442450953, \old(P3_exp)=6442450958, \old(P4_exp)=6442450961, \old(P5_exp)=6442450959, \old(twom100_exp)=6442450946, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L130] float x = 1.0f / 0.0f; VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L131] CALL, EXPR __ieee754_expf(x) VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, 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 [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L42] ieee_float_shape_type gf_u; [L43] gf_u.value = (x) [L44] EXPR gf_u.word [L44] (sx) = gf_u.word [L46] xsb = (sx >> 31) & 1 [L47] hx = sx & 0x7fffffff VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L49] COND TRUE ((hx) > 0x7f800000L) [L50] return x + x; VAL [\old(x)=6442450967, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, hx=2139095041, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, sx=-2147483648, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L131] RET, EXPR __ieee754_expf(x) VAL [__ieee754_expf(x)=6442450966, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L131] float res = __ieee754_expf(x); [L134] CALL, EXPR isinf_float(res) VAL [\old(x)=6442450966, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L113] __int32_t ix; VAL [\old(x)=6442450966, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450966] [L115] ieee_float_shape_type gf_u; [L116] gf_u.value = (x) [L117] EXPR gf_u.word [L117] (ix) = gf_u.word [L119] ix &= 0x7fffffff [L120] return ((ix) == 0x7f800000L); VAL [\old(x)=6442450966, \result=0, halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ix=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450966] [L134] RET, EXPR isinf_float(res) VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, isinf_float(res)=0, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450966, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] [L134] COND TRUE !isinf_float(res) [L135] __VERIFIER_error() VAL [halF_exp={6442450950:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={6442450969:0}, ln2LO_exp={6442450957:0}, one_exp=1, P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, res=6442450966, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=6442450967] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 53 locations, 1 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 63 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=53occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 484 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-02 17:24:47,113 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:24:47,114 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:24:47,120 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:24:47,121 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:24:47,121 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:24:47,122 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:24:47,123 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:24:47,124 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:24:47,125 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:24:47,125 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:24:47,126 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:24:47,126 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:24:47,127 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:24:47,127 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:24:47,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:24:47,128 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:24:47,129 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:24:47,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:24:47,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:24:47,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:24:47,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:24:47,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:24:47,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:24:47,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:24:47,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:24:47,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:24:47,135 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:24:47,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:24:47,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:24:47,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:24:47,137 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:24:47,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:24:47,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:24:47,138 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:24:47,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:24:47,139 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2018-12-02 17:24:47,147 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:24:47,147 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:24:47,148 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:24:47,148 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 17:24:47,148 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 17:24:47,148 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 17:24:47,148 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 17:24:47,148 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 17:24:47,148 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 17:24:47,148 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 17:24:47,149 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:24:47,149 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:24:47,150 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:24:47,150 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:24:47,150 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:24:47,151 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-02 17:24:47,151 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:24:47,151 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-02 17:24:47,151 INFO L133 SettingsManager]: * Logic for external solver=AUFBV [2018-12-02 17:24:47,151 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_264f64bc-865c-41a5-a41b-693c7a8c5343/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 -> 1ba8be438fdf209735f867af41e44939ec8afdc4 [2018-12-02 17:24:47,168 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:24:47,175 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:24:47,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:24:47,178 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:24:47,178 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:24:47,179 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/../../sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-02 17:24:47,212 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/8c1eeaa9a/8713b0f77f75490f8fee9d152c859968/FLAG8f5c2a686 [2018-12-02 17:24:47,629 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:24:47,629 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/sv-benchmarks/c/float-newlib/float_req_bl_0834_true-unreach-call.c [2018-12-02 17:24:47,634 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/8c1eeaa9a/8713b0f77f75490f8fee9d152c859968/FLAG8f5c2a686 [2018-12-02 17:24:47,641 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/data/8c1eeaa9a/8713b0f77f75490f8fee9d152c859968 [2018-12-02 17:24:47,643 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:24:47,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:24:47,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:24:47,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:24:47,647 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:24:47,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b97ddff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47, skipping insertion in model container [2018-12-02 17:24:47,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,656 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:24:47,669 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:24:47,789 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:24:47,794 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:24:47,821 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:24:47,837 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:24:47,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47 WrapperNode [2018-12-02 17:24:47,838 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:24:47,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:24:47,838 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:24:47,838 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:24:47,843 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,851 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,888 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:24:47,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:24:47,889 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:24:47,889 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:24:47,895 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,912 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,917 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,919 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... [2018-12-02 17:24:47,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:24:47,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:24:47,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:24:47,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:24:47,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 17:24:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_expf [2018-12-02 17:24:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_expf [2018-12-02 17:24:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2018-12-02 17:24:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 17:24:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 17:24:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2018-12-02 17:24:47,955 INFO L130 BoogieDeclarations]: Found specification of procedure isinf_float [2018-12-02 17:24:47,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isinf_float [2018-12-02 17:24:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 17:24:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 17:24:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 17:24:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-02 17:24:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:24:47,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:24:47,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2018-12-02 17:24:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-02 17:24:47,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-02 17:24:48,058 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:24:56,430 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:24:56,447 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:24:56,507 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:24:56,522 WARN L317 ript$VariableManager]: TermVariabe |q#valueAsBitvector| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-02 17:24:56,536 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:24:56,536 INFO L280 CfgBuilder]: Removed 12 assue(true) statements. [2018-12-02 17:24:56,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:56 BoogieIcfgContainer [2018-12-02 17:24:56,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:24:56,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 17:24:56,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 17:24:56,538 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 17:24:56,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:24:47" (1/3) ... [2018-12-02 17:24:56,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699c6e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:56, skipping insertion in model container [2018-12-02 17:24:56,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:24:47" (2/3) ... [2018-12-02 17:24:56,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@699c6e20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:24:56, skipping insertion in model container [2018-12-02 17:24:56,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:56" (3/3) ... [2018-12-02 17:24:56,541 INFO L112 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834_true-unreach-call.c [2018-12-02 17:24:56,546 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 17:24:56,550 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 17:24:56,559 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 17:24:56,575 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 17:24:56,576 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 17:24:56,576 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 17:24:56,576 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 17:24:56,576 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 17:24:56,576 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 17:24:56,576 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 17:24:56,576 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 17:24:56,576 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 17:24:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states. [2018-12-02 17:24:56,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-02 17:24:56,589 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:24:56,590 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:24:56,591 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:24:56,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:24:56,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1307259766, now seen corresponding path program 1 times [2018-12-02 17:24:56,597 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:24:56,597 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2018-12-02 17:24:56,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:24:56,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:24:56,684 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:24:56,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:24:56,695 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:24:56,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:24:56,706 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 17:24:56,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 17:24:56,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 17:24:56,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:24:56,722 INFO L87 Difference]: Start difference. First operand 52 states. Second operand 2 states. [2018-12-02 17:24:56,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:24:56,742 INFO L93 Difference]: Finished difference Result 96 states and 143 transitions. [2018-12-02 17:24:56,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 17:24:56,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 22 [2018-12-02 17:24:56,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:24:56,750 INFO L225 Difference]: With dead ends: 96 [2018-12-02 17:24:56,750 INFO L226 Difference]: Without dead ends: 48 [2018-12-02 17:24:56,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 17:24:56,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-12-02 17:24:56,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-12-02 17:24:56,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 17:24:56,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2018-12-02 17:24:56,778 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 22 [2018-12-02 17:24:56,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:24:56,779 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2018-12-02 17:24:56,779 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 17:24:56,779 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2018-12-02 17:24:56,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 17:24:56,780 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:24:56,780 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:24:56,780 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:24:56,780 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:24:56,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1979091687, now seen corresponding path program 1 times [2018-12-02 17:24:56,781 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:24:56,781 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2018-12-02 17:24:56,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:24:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:24:56,869 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:24:56,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:24:56,956 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:24:56,964 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:24:56,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:24:56,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:24:56,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:24:56,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:24:56,966 INFO L87 Difference]: Start difference. First operand 48 states and 58 transitions. Second operand 7 states. [2018-12-02 17:25:07,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:07,493 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2018-12-02 17:25:07,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:25:07,551 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2018-12-02 17:25:07,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:07,553 INFO L225 Difference]: With dead ends: 64 [2018-12-02 17:25:07,553 INFO L226 Difference]: Without dead ends: 51 [2018-12-02 17:25:07,554 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:07,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-12-02 17:25:07,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2018-12-02 17:25:07,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 17:25:07,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 57 transitions. [2018-12-02 17:25:07,558 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 57 transitions. Word has length 24 [2018-12-02 17:25:07,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:07,559 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 57 transitions. [2018-12-02 17:25:07,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:25:07,559 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2018-12-02 17:25:07,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 17:25:07,559 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:07,560 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:25:07,560 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:25:07,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:07,560 INFO L82 PathProgramCache]: Analyzing trace with hash -416220771, now seen corresponding path program 1 times [2018-12-02 17:25:07,560 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:25:07,560 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2018-12-02 17:25:07,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:07,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:25:07,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:07,749 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:25:07,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:07,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:25:07,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:25:07,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:25:07,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:07,759 INFO L87 Difference]: Start difference. First operand 48 states and 57 transitions. Second operand 7 states. [2018-12-02 17:25:17,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:17,223 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2018-12-02 17:25:17,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:25:17,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2018-12-02 17:25:17,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:17,287 INFO L225 Difference]: With dead ends: 66 [2018-12-02 17:25:17,287 INFO L226 Difference]: Without dead ends: 53 [2018-12-02 17:25:17,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:17,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-02 17:25:17,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 48. [2018-12-02 17:25:17,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 17:25:17,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 54 transitions. [2018-12-02 17:25:17,292 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 54 transitions. Word has length 26 [2018-12-02 17:25:17,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:17,292 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 54 transitions. [2018-12-02 17:25:17,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:25:17,292 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 54 transitions. [2018-12-02 17:25:17,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 17:25:17,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:17,293 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:25:17,293 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:25:17,294 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:17,294 INFO L82 PathProgramCache]: Analyzing trace with hash -549194806, now seen corresponding path program 1 times [2018-12-02 17:25:17,294 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:25:17,294 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2018-12-02 17:25:17,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:17,391 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:25:17,732 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 5 [2018-12-02 17:25:20,049 WARN L180 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-12-02 17:25:23,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:23,557 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:25:23,566 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:23,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2018-12-02 17:25:23,566 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 17:25:23,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 17:25:23,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-12-02 17:25:23,567 INFO L87 Difference]: Start difference. First operand 48 states and 54 transitions. Second operand 12 states. [2018-12-02 17:25:25,195 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-12-02 17:25:27,616 WARN L180 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-12-02 17:25:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:44,759 INFO L93 Difference]: Finished difference Result 60 states and 66 transitions. [2018-12-02 17:25:44,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 17:25:44,760 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2018-12-02 17:25:44,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:44,760 INFO L225 Difference]: With dead ends: 60 [2018-12-02 17:25:44,761 INFO L226 Difference]: Without dead ends: 52 [2018-12-02 17:25:44,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2018-12-02 17:25:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-12-02 17:25:44,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 48. [2018-12-02 17:25:44,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-12-02 17:25:44,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2018-12-02 17:25:44,767 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 27 [2018-12-02 17:25:44,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:44,767 INFO L480 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2018-12-02 17:25:44,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 17:25:44,767 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2018-12-02 17:25:44,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-12-02 17:25:44,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:44,768 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:25:44,768 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:25:44,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:44,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1560312056, now seen corresponding path program 1 times [2018-12-02 17:25:44,769 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:25:44,769 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/mathsat Starting monitored process 6 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with mathsat -unsat_core_generation=3 [2018-12-02 17:25:44,772 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:44,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:44,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:25:44,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:44,919 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:25:44,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:44,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:25:44,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:25:44,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:25:44,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:44,928 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 7 states. [2018-12-02 17:25:53,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:25:53,224 INFO L93 Difference]: Finished difference Result 64 states and 68 transitions. [2018-12-02 17:25:53,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:25:53,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2018-12-02 17:25:53,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:25:53,286 INFO L225 Difference]: With dead ends: 64 [2018-12-02 17:25:53,286 INFO L226 Difference]: Without dead ends: 49 [2018-12-02 17:25:53,287 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:25:53,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-12-02 17:25:53,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 46. [2018-12-02 17:25:53,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-12-02 17:25:53,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 50 transitions. [2018-12-02 17:25:53,289 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 50 transitions. Word has length 27 [2018-12-02 17:25:53,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:25:53,289 INFO L480 AbstractCegarLoop]: Abstraction has 46 states and 50 transitions. [2018-12-02 17:25:53,289 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:25:53,289 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 50 transitions. [2018-12-02 17:25:53,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 17:25:53,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:25:53,290 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:25:53,290 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:25:53,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:25:53,290 INFO L82 PathProgramCache]: Analyzing trace with hash 929170974, now seen corresponding path program 1 times [2018-12-02 17:25:53,290 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:25:53,291 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/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 [2018-12-02 17:25:53,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:25:53,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:25:53,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:25:54,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:25:54,067 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:25:54,082 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:25:54,082 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:25:54,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:25:54,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:25:54,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:25:54,083 INFO L87 Difference]: Start difference. First operand 46 states and 50 transitions. Second operand 7 states. [2018-12-02 17:26:01,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:26:01,822 INFO L93 Difference]: Finished difference Result 74 states and 79 transitions. [2018-12-02 17:26:01,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 17:26:01,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 31 [2018-12-02 17:26:01,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:26:01,888 INFO L225 Difference]: With dead ends: 74 [2018-12-02 17:26:01,888 INFO L226 Difference]: Without dead ends: 44 [2018-12-02 17:26:01,888 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 17:26:01,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-12-02 17:26:01,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-12-02 17:26:01,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-12-02 17:26:01,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 45 transitions. [2018-12-02 17:26:01,891 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 45 transitions. Word has length 31 [2018-12-02 17:26:01,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:26:01,892 INFO L480 AbstractCegarLoop]: Abstraction has 44 states and 45 transitions. [2018-12-02 17:26:01,892 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:26:01,892 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 45 transitions. [2018-12-02 17:26:01,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-02 17:26:01,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 17:26:01,892 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 17:26:01,893 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 17:26:01,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:26:01,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1899420282, now seen corresponding path program 1 times [2018-12-02 17:26:01,893 INFO L223 ckRefinementStrategy]: Switched to mode MATHSAT_FPBP [2018-12-02 17:26:01,893 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/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 [2018-12-02 17:26:01,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 17:26:02,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:26:02,848 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 17:26:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:26:02,922 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-02 17:26:02,939 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 17:26:02,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 17:26:02,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 17:26:02,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 17:26:02,940 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 17:26:02,940 INFO L87 Difference]: Start difference. First operand 44 states and 45 transitions. Second operand 7 states. [2018-12-02 17:26:10,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 17:26:10,845 INFO L93 Difference]: Finished difference Result 44 states and 45 transitions. [2018-12-02 17:26:10,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 17:26:10,907 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2018-12-02 17:26:10,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 17:26:10,908 INFO L225 Difference]: With dead ends: 44 [2018-12-02 17:26:10,908 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 17:26:10,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-02 17:26:10,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 17:26:10,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 17:26:10,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 17:26:10,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 17:26:10,909 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 32 [2018-12-02 17:26:10,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 17:26:10,909 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 17:26:10,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 17:26:10,909 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 17:26:10,909 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:26:10,912 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 17:26:10,963 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 17:26:10,963 INFO L448 ceAbstractionStarter]: For program point L52-2(line 52) no Hoare annotation was computed. [2018-12-02 17:26:10,963 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 106) no Hoare annotation was computed. [2018-12-02 17:26:10,963 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 95 108) no Hoare annotation was computed. [2018-12-02 17:26:10,963 INFO L448 ceAbstractionStarter]: For program point L102-2(lines 102 106) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 54) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L78(lines 78 81) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 73) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L70-2(lines 58 73) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfEXIT(lines 36 109) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 72) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L451 ceAbstractionStarter]: At program point __ieee754_expfENTRY(lines 36 109) the Hoare annotation is: true [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 56) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point __ieee754_expfFINAL(lines 36 109) no Hoare annotation was computed. [2018-12-02 17:26:10,964 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 97 101) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L444 ceAbstractionStarter]: At program point L97-2(lines 97 101) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 32))) (= (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|))) [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 93) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 82 95) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L89-2(lines 89 93) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 108) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 50) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 41 45) no Hoare annotation was computed. [2018-12-02 17:26:10,965 INFO L444 ceAbstractionStarter]: At program point L41-2(lines 41 45) the Hoare annotation is: (= |__ieee754_expf_#in~x| __ieee754_expf_~x) [2018-12-02 17:26:10,965 INFO L448 ceAbstractionStarter]: For program point L41-3(lines 41 45) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L58(lines 58 73) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 68) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L59-2(lines 59 68) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 52) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 84 88) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L444 ceAbstractionStarter]: At program point L84-2(lines 84 88) the Hoare annotation is: (exists ((__ieee754_expf_~sx~0 (_ BitVec 32))) (and (not (= (bvadd (bvand (_ bv2147483647 32) __ieee754_expf_~sx~0) (_ bv2155872256 32)) (_ bv0 32))) (= (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|))) [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 114 118) no Hoare annotation was computed. [2018-12-02 17:26:10,966 INFO L444 ceAbstractionStarter]: At program point L114-2(lines 114 118) the Hoare annotation is: (= |isinf_float_#in~x| isinf_float_~x) [2018-12-02 17:26:10,966 INFO L451 ceAbstractionStarter]: At program point isinf_floatENTRY(lines 112 121) the Hoare annotation is: true [2018-12-02 17:26:10,966 INFO L448 ceAbstractionStarter]: For program point L114-3(lines 114 118) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point isinf_floatEXIT(lines 112 121) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point isinf_floatFINAL(lines 112 121) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-02 17:26:10,967 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 17:26:10,967 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 123 140) the Hoare annotation is: true [2018-12-02 17:26:10,967 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 123 140) no Hoare annotation was computed. [2018-12-02 17:26:10,968 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 135) no Hoare annotation was computed. [2018-12-02 17:26:10,968 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 123 140) no Hoare annotation was computed. [2018-12-02 17:26:10,968 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-02 17:26:10,968 INFO L444 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (let ((.cse0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24)))) (and (= main_~x~0 .cse0) (= ((_ to_fp 8 24) roundNearestTiesToEven ((_ to_fp 11 53) roundNearestTiesToEven .cse0)) main_~res~0))) [2018-12-02 17:26:10,968 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 134 137) no Hoare annotation was computed. [2018-12-02 17:26:10,968 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (= main_~x~0 (fp.div roundNearestTiesToEven ((_ to_fp 8 24) roundNearestTiesToEven 1.0) (_ +zero 8 24))) [2018-12-02 17:26:10,968 INFO L448 ceAbstractionStarter]: For program point L131-1(line 131) no Hoare annotation was computed. [2018-12-02 17:26:10,972 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,973 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,977 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,977 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,977 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,977 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,979 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,979 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,979 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,979 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,979 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,979 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,980 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,980 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:10,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:26:10 BoogieIcfgContainer [2018-12-02 17:26:10,981 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 17:26:10,981 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:26:10,981 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:26:10,981 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:26:10,982 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:24:56" (3/4) ... [2018-12-02 17:26:10,984 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:26:10,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __ieee754_expf [2018-12-02 17:26:10,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isinf_float [2018-12-02 17:26:10,988 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 17:26:10,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 17:26:10,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 34 nodes and edges [2018-12-02 17:26:10,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-12-02 17:26:10,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 17:26:10,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:26:10,992 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:26:11,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 17:26:11,008 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(x) == x [2018-12-02 17:26:11,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-02 17:26:11,009 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) [2018-12-02 17:26:11,023 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_264f64bc-865c-41a5-a41b-693c7a8c5343/bin-2019/utaipan/witness.graphml [2018-12-02 17:26:11,024 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:26:11,024 INFO L168 Benchmark]: Toolchain (without parser) took 83381.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -221.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:26:11,025 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:26:11,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 193.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:26:11,025 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:26:11,025 INFO L168 Benchmark]: Boogie Preprocessor took 34.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:26:11,026 INFO L168 Benchmark]: RCFGBuilder took 8613.35 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. [2018-12-02 17:26:11,026 INFO L168 Benchmark]: TraceAbstraction took 74444.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:26:11,026 INFO L168 Benchmark]: Witness Printer took 42.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:26:11,028 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 193.93 ms. Allocated memory is still 1.0 GB. Free memory was 943.4 MB in the beginning and 927.3 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 927.3 MB in the beginning and 1.1 GB in the end (delta: -185.3 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.31 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 8613.35 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: 40.5 MB). Peak memory consumption was 40.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 74444.25 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 68.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -104.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 42.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_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 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 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 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: 135]: 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 [2018-12-02 17:26:11,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,030 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,031 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,031 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,031 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,031 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,031 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: \old(x) == x - InvariantResult [Line: 84]: Loop Invariant [2018-12-02 17:26:11,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,032 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,033 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] [2018-12-02 17:26:11,033 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[__ieee754_expf_~sx~0,QUANTIFIED] Derived loop invariant: (\exists __ieee754_expf_~sx~0 : bv32 :: !(~bvadd64(~bvand32(2147483647bv32, __ieee754_expf_~sx~0), 2155872256bv32) == 0bv32) && ~fp~LONGDOUBLE(__ieee754_expf_~sx~0[31:31], __ieee754_expf_~sx~0[30:23], __ieee754_expf_~sx~0[22:0]) == \old(x)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 52 locations, 1 error locations. SAFE Result, 74.3s OverallTime, 7 OverallIterations, 1 TraceHistogramMax, 65.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 284 SDtfs, 304 SDslu, 1136 SDs, 0 SdLazy, 341 SolverSat, 5 SolverUnsat, 18 SolverUnknown, 0 SolverNotchecked, 58.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 208 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 11.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred 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, 7 MinimizatonAttempts, 15 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 24 PreInvPairs, 29 NumberOfFragments, 79 HoareAnnotationTreeSize, 24 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 6.7s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 182 ConstructedInterpolants, 37 QuantifiedInterpolants, 29614 SizeOfPredicates, 25 NumberOfNonLiveVariables, 956 ConjunctsInSsa, 57 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...