./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01f5d92913440f76bf2a724738adcdb83e463632 ................................................................................................................................................................................................................................................................................................................................ Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 01f5d92913440f76bf2a724738adcdb83e463632 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2021-10-11 02:31:32,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:32,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:32,167 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:32,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:32,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:32,172 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:32,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:32,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:32,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:32,181 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:32,183 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:32,184 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:32,185 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:32,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:32,189 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:32,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:32,192 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:32,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:32,197 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:32,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:32,202 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:32,204 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:32,205 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:32,209 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:32,210 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:32,211 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:32,212 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:32,213 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:32,214 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:32,215 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:32,216 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:32,217 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:32,219 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:32,220 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:32,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:32,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:32,223 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:32,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:32,225 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:32,226 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:32,227 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-11 02:31:32,256 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:32,257 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:32,258 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:32,258 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:32,259 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:32,259 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:32,259 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-11 02:31:32,259 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:32,260 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:32,260 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-11 02:31:32,260 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-11 02:31:32,261 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:32,261 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-11 02:31:32,261 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-11 02:31:32,261 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-11 02:31:32,262 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:32,263 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:32,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-11 02:31:32,263 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:32,263 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:32,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:32,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:32,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:32,264 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:32,265 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:32,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:32,265 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:32,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:32,266 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:32,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:32,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:32,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:32,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:32,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:32,267 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-11 02:31:32,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-11 02:31:32,268 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:32,268 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:32,269 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:32,269 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01f5d92913440f76bf2a724738adcdb83e463632 [2021-10-11 02:31:32,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:32,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:32,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:32,575 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:32,576 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:32,577 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2021-10-11 02:31:32,678 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/6b69508cb/3c96c586b7fc4450ae21ba274c1698c4/FLAGcca779974 [2021-10-11 02:31:33,307 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:33,309 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2021-10-11 02:31:33,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/6b69508cb/3c96c586b7fc4450ae21ba274c1698c4/FLAGcca779974 [2021-10-11 02:31:33,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/6b69508cb/3c96c586b7fc4450ae21ba274c1698c4 [2021-10-11 02:31:33,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:33,666 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:33,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:33,682 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:33,685 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:33,686 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,688 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@680fc130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:33, skipping insertion in model container [2021-10-11 02:31:33,688 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:33" (1/1) ... [2021-10-11 02:31:33,697 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:33,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:33,982 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2021-10-11 02:31:33,985 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:33,996 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:34,037 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2021-10-11 02:31:34,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:34,061 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:34,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34 WrapperNode [2021-10-11 02:31:34,061 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:34,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:34,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:34,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:34,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,084 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:34,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:34,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:34,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:34,131 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,131 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,149 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,155 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,158 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... [2021-10-11 02:31:34,163 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:34,164 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:34,164 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:34,165 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:34,166 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-11 02:31:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:34,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2021-10-11 02:31:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-11 02:31:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2021-10-11 02:31:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:34,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:34,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-11 02:31:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2021-10-11 02:31:34,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:31:35,010 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:35,012 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-11 02:31:35,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:35 BoogieIcfgContainer [2021-10-11 02:31:35,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:35,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:35,020 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:35,024 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:35,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:33" (1/3) ... [2021-10-11 02:31:35,026 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17361093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:35, skipping insertion in model container [2021-10-11 02:31:35,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:34" (2/3) ... [2021-10-11 02:31:35,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17361093 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:35, skipping insertion in model container [2021-10-11 02:31:35,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:35" (3/3) ... [2021-10-11 02:31:35,030 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0610.c [2021-10-11 02:31:35,047 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:35,051 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:31:35,064 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:31:35,106 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:35,107 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:35,107 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:35,108 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:35,108 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:35,108 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:35,108 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:35,108 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:35,124 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2021-10-11 02:31:35,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-11 02:31:35,131 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:35,132 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:35,133 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:35,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:35,140 INFO L82 PathProgramCache]: Analyzing trace with hash 371589423, now seen corresponding path program 1 times [2021-10-11 02:31:35,151 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:35,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463195487] [2021-10-11 02:31:35,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:35,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:35,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:35,361 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463195487] [2021-10-11 02:31:35,362 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:35,363 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:35,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858212575] [2021-10-11 02:31:35,369 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:35,369 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-11 02:31:35,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:35,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:35,388 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2021-10-11 02:31:35,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:35,408 INFO L93 Difference]: Finished difference Result 41 states and 61 transitions. [2021-10-11 02:31:35,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:35,410 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 7 [2021-10-11 02:31:35,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:35,420 INFO L225 Difference]: With dead ends: 41 [2021-10-11 02:31:35,420 INFO L226 Difference]: Without dead ends: 19 [2021-10-11 02:31:35,423 INFO L677 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 [2021-10-11 02:31:35,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2021-10-11 02:31:35,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2021-10-11 02:31:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2021-10-11 02:31:35,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2021-10-11 02:31:35,460 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 7 [2021-10-11 02:31:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:35,461 INFO L481 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2021-10-11 02:31:35,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2021-10-11 02:31:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-11 02:31:35,462 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:35,462 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:35,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-11 02:31:35,463 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:35,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:35,464 INFO L82 PathProgramCache]: Analyzing trace with hash 762735980, now seen corresponding path program 1 times [2021-10-11 02:31:35,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-11 02:31:35,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676246107] [2021-10-11 02:31:35,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-11 02:31:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:35,624 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:35,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-11 02:31:35,732 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-11 02:31:35,783 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-11 02:31:35,783 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-10-11 02:31:35,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-11 02:31:35,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:31:35 BoogieIcfgContainer [2021-10-11 02:31:35,840 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:31:35,841 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:31:35,841 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:31:35,842 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:31:35,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:35" (3/4) ... [2021-10-11 02:31:35,847 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-11 02:31:35,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:31:35,852 INFO L168 Benchmark]: Toolchain (without parser) took 2182.36 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 64.1 MB in the beginning and 86.9 MB in the end (delta: -22.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:35,853 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:35,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 380.64 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 70.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:35,855 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.48 ms. Allocated memory is still 96.5 MB. Free memory was 70.6 MB in the beginning and 68.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:35,857 INFO L168 Benchmark]: Boogie Preprocessor took 42.34 ms. Allocated memory is still 96.5 MB. Free memory was 68.2 MB in the beginning and 66.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:35,859 INFO L168 Benchmark]: RCFGBuilder took 851.70 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 66.5 MB in the beginning and 80.4 MB in the end (delta: -13.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:35,861 INFO L168 Benchmark]: TraceAbstraction took 822.89 ms. Allocated memory is still 117.4 MB. Free memory was 79.9 MB in the beginning and 86.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:31:35,862 INFO L168 Benchmark]: Witness Printer took 5.82 ms. Allocated memory is still 117.4 MB. Free memory is still 86.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:31:35,876 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 96.5 MB. Free memory was 49.6 MB in the beginning and 49.5 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 380.64 ms. Allocated memory is still 96.5 MB. Free memory was 63.9 MB in the beginning and 70.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.48 ms. Allocated memory is still 96.5 MB. Free memory was 70.6 MB in the beginning and 68.2 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 42.34 ms. Allocated memory is still 96.5 MB. Free memory was 68.2 MB in the beginning and 66.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 851.70 ms. Allocated memory was 96.5 MB in the beginning and 117.4 MB in the end (delta: 21.0 MB). Free memory was 66.5 MB in the beginning and 80.4 MB in the end (delta: -13.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 822.89 ms. Allocated memory is still 117.4 MB. Free memory was 79.9 MB in the beginning and 86.9 MB in the end (delta: -7.0 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Witness Printer took 5.82 ms. Allocated memory is still 117.4 MB. Free memory is still 86.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 134]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 17, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of bitwiseAnd at line 67, overapproximation of someBinaryArithmeticFLOAToperation at line 70. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L54-L56] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L129] float x = 0.0f / 0.0f; [L59] float w, s1, s2, z; [L60] __int32_t ix, hx, id; VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L63] ieee_float_shape_type gf_u; [L64] gf_u.value = (x) [L65] EXPR gf_u.word [L65] (hx) = gf_u.word [L67] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] [L68] COND TRUE ix >= 0x50800000 [L69] COND FALSE !(((ix) > 0x7f800000L)) [L71] COND FALSE !(hx > 0) [L74] EXPR atanhi_atan[3] [L74] EXPR atanlo_atan[3] [L74] return -atanhi_atan[3] - atanlo_atan[3]; [L130] float res = atan_float(x); [L17] return x != x; [L133] COND TRUE !isnan_float(res) [L134] reach_error() VAL [aT_atan={11:0}, atanhi_atan={6:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 24 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=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: 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 0.2.0-7b2dab5 [2021-10-11 02:31:38,710 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-11 02:31:38,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-11 02:31:38,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-11 02:31:38,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-11 02:31:38,759 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-11 02:31:38,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-11 02:31:38,767 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-11 02:31:38,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-11 02:31:38,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-11 02:31:38,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-11 02:31:38,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-11 02:31:38,784 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-11 02:31:38,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-11 02:31:38,789 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-11 02:31:38,791 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-11 02:31:38,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-11 02:31:38,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-11 02:31:38,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-11 02:31:38,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-11 02:31:38,810 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-11 02:31:38,812 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-11 02:31:38,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-11 02:31:38,818 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-11 02:31:38,826 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-11 02:31:38,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-11 02:31:38,832 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-11 02:31:38,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-11 02:31:38,835 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-11 02:31:38,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-11 02:31:38,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-11 02:31:38,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-11 02:31:38,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-11 02:31:38,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-11 02:31:38,844 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-11 02:31:38,844 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-11 02:31:38,845 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-11 02:31:38,845 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-11 02:31:38,846 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-11 02:31:38,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-11 02:31:38,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-11 02:31:38,850 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-11 02:31:38,911 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-11 02:31:38,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-11 02:31:38,913 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-11 02:31:38,914 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-11 02:31:38,914 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-11 02:31:38,914 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-11 02:31:38,915 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-11 02:31:38,915 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-11 02:31:38,915 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-11 02:31:38,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-11 02:31:38,918 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-11 02:31:38,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-11 02:31:38,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-11 02:31:38,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-11 02:31:38,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-11 02:31:38,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-11 02:31:38,920 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-11 02:31:38,920 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-11 02:31:38,920 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-11 02:31:38,921 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-11 02:31:38,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-11 02:31:38,921 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-11 02:31:38,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-11 02:31:38,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-11 02:31:38,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-11 02:31:38,922 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-11 02:31:38,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-11 02:31:38,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-11 02:31:38,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-11 02:31:38,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-11 02:31:38,924 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-11 02:31:38,924 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-11 02:31:38,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-11 02:31:38,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-11 02:31:38,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-11 02:31:38,925 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01f5d92913440f76bf2a724738adcdb83e463632 [2021-10-11 02:31:39,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-11 02:31:39,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-11 02:31:39,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-11 02:31:39,374 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-11 02:31:39,375 INFO L275 PluginConnector]: CDTParser initialized [2021-10-11 02:31:39,376 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/../../sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2021-10-11 02:31:39,454 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/540e6453a/732b99e39b624cd1913bc9e4df286056/FLAGfe10dacde [2021-10-11 02:31:39,987 INFO L306 CDTParser]: Found 1 translation units. [2021-10-11 02:31:39,988 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/sv-benchmarks/c/float-newlib/float_req_bl_0610.c [2021-10-11 02:31:39,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/540e6453a/732b99e39b624cd1913bc9e4df286056/FLAGfe10dacde [2021-10-11 02:31:40,366 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/data/540e6453a/732b99e39b624cd1913bc9e4df286056 [2021-10-11 02:31:40,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-11 02:31:40,371 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-11 02:31:40,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:40,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-11 02:31:40,380 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-11 02:31:40,381 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,389 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62f7cb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40, skipping insertion in model container [2021-10-11 02:31:40,389 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,400 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-11 02:31:40,442 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-11 02:31:40,629 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2021-10-11 02:31:40,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:40,650 INFO L203 MainTranslator]: Completed pre-run [2021-10-11 02:31:40,748 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/sv-benchmarks/c/float-newlib/float_req_bl_0610.c[3190,3203] [2021-10-11 02:31:40,749 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-11 02:31:40,776 INFO L208 MainTranslator]: Completed translation [2021-10-11 02:31:40,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40 WrapperNode [2021-10-11 02:31:40,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-11 02:31:40,778 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:40,778 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-11 02:31:40,778 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-11 02:31:40,787 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,802 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,835 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-11 02:31:40,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-11 02:31:40,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-11 02:31:40,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-11 02:31:40,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,877 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... [2021-10-11 02:31:40,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-11 02:31:40,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-11 02:31:40,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-11 02:31:40,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-11 02:31:40,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (1/1) ... No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:40,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2021-10-11 02:31:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-11 02:31:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-11 02:31:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2021-10-11 02:31:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2021-10-11 02:31:40,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-11 02:31:40,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-11 02:31:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2021-10-11 02:31:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2021-10-11 02:31:40,967 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-11 02:31:56,212 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-11 02:31:56,212 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-10-11 02:31:56,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:56 BoogieIcfgContainer [2021-10-11 02:31:56,214 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-11 02:31:56,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-11 02:31:56,217 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-11 02:31:56,220 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-11 02:31:56,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.10 02:31:40" (1/3) ... [2021-10-11 02:31:56,222 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23888430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:56, skipping insertion in model container [2021-10-11 02:31:56,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.10 02:31:40" (2/3) ... [2021-10-11 02:31:56,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23888430 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.10 02:31:56, skipping insertion in model container [2021-10-11 02:31:56,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:56" (3/3) ... [2021-10-11 02:31:56,225 INFO L111 eAbstractionObserver]: Analyzing ICFG float_req_bl_0610.c [2021-10-11 02:31:56,241 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-11 02:31:56,245 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-10-11 02:31:56,257 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-11 02:31:56,286 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-10-11 02:31:56,286 INFO L378 AbstractCegarLoop]: Hoare is true [2021-10-11 02:31:56,286 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-10-11 02:31:56,287 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-11 02:31:56,287 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-11 02:31:56,287 INFO L382 AbstractCegarLoop]: Difference is false [2021-10-11 02:31:56,287 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-11 02:31:56,287 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-10-11 02:31:56,322 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2021-10-11 02:31:56,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-11 02:31:56,327 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:56,328 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:56,328 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:56,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:56,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1030411275, now seen corresponding path program 1 times [2021-10-11 02:31:56,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:56,347 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [931847576] [2021-10-11 02:31:56,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:57,475 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 1 conjunts are in the unsatisfiable core [2021-10-11 02:31:57,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:57,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:57,514 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:57,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [931847576] [2021-10-11 02:31:57,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:57,516 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-11 02:31:57,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846678107] [2021-10-11 02:31:57,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-10-11 02:31:57,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:57,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-11 02:31:57,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:57,538 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 2 states. [2021-10-11 02:31:57,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:31:57,559 INFO L93 Difference]: Finished difference Result 64 states and 98 transitions. [2021-10-11 02:31:57,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-11 02:31:57,560 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2021-10-11 02:31:57,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:31:57,570 INFO L225 Difference]: With dead ends: 64 [2021-10-11 02:31:57,570 INFO L226 Difference]: Without dead ends: 30 [2021-10-11 02:31:57,573 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-11 02:31:57,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2021-10-11 02:31:57,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2021-10-11 02:31:57,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 02:31:57,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 40 transitions. [2021-10-11 02:31:57,612 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 40 transitions. Word has length 10 [2021-10-11 02:31:57,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:31:57,612 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 40 transitions. [2021-10-11 02:31:57,612 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-10-11 02:31:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 40 transitions. [2021-10-11 02:31:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-11 02:31:57,614 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:31:57,614 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:31:57,829 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2021-10-11 02:31:57,829 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:31:57,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:31:57,830 INFO L82 PathProgramCache]: Analyzing trace with hash -1304895922, now seen corresponding path program 1 times [2021-10-11 02:31:57,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:31:57,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274514441] [2021-10-11 02:31:57,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:31:58,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:31:58,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 11 conjunts are in the unsatisfiable core [2021-10-11 02:31:58,959 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:31:59,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:31:59,382 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:31:59,383 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274514441] [2021-10-11 02:31:59,383 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:31:59,383 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-11 02:31:59,384 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460084932] [2021-10-11 02:31:59,385 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-10-11 02:31:59,386 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:31:59,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-11 02:31:59,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:31:59,387 INFO L87 Difference]: Start difference. First operand 30 states and 40 transitions. Second operand 7 states. [2021-10-11 02:32:00,240 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 17 [2021-10-11 02:32:16,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:16,969 INFO L93 Difference]: Finished difference Result 45 states and 53 transitions. [2021-10-11 02:32:17,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-11 02:32:17,010 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 11 [2021-10-11 02:32:17,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:17,011 INFO L225 Difference]: With dead ends: 45 [2021-10-11 02:32:17,011 INFO L226 Difference]: Without dead ends: 37 [2021-10-11 02:32:17,012 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-10-11 02:32:17,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-10-11 02:32:17,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 30. [2021-10-11 02:32:17,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2021-10-11 02:32:17,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 38 transitions. [2021-10-11 02:32:17,019 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 38 transitions. Word has length 11 [2021-10-11 02:32:17,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:17,019 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 38 transitions. [2021-10-11 02:32:17,019 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-10-11 02:32:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2021-10-11 02:32:17,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-11 02:32:17,020 INFO L414 BasicCegarLoop]: Found error trace [2021-10-11 02:32:17,021 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-11 02:32:17,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2021-10-11 02:32:17,229 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-10-11 02:32:17,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-11 02:32:17,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1812830160, now seen corresponding path program 1 times [2021-10-11 02:32:17,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-11 02:32:17,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1858408654] [2021-10-11 02:32:17,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/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 [2021-10-11 02:32:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-11 02:32:18,101 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 9 conjunts are in the unsatisfiable core [2021-10-11 02:32:18,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-11 02:32:18,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-11 02:32:18,417 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-10-11 02:32:18,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1858408654] [2021-10-11 02:32:18,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-11 02:32:18,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-11 02:32:18,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947521515] [2021-10-11 02:32:18,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-10-11 02:32:18,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-11 02:32:18,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-11 02:32:18,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-11 02:32:18,420 INFO L87 Difference]: Start difference. First operand 30 states and 38 transitions. Second operand 5 states. [2021-10-11 02:32:18,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-11 02:32:18,732 INFO L93 Difference]: Finished difference Result 30 states and 38 transitions. [2021-10-11 02:32:18,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-11 02:32:18,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2021-10-11 02:32:18,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-11 02:32:18,733 INFO L225 Difference]: With dead ends: 30 [2021-10-11 02:32:18,734 INFO L226 Difference]: Without dead ends: 0 [2021-10-11 02:32:18,734 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-11 02:32:18,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-11 02:32:18,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-11 02:32:18,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-10-11 02:32:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-11 02:32:18,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2021-10-11 02:32:18,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-11 02:32:18,736 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-11 02:32:18,736 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-10-11 02:32:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-11 02:32:18,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-11 02:32:18,945 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2021-10-11 02:32:18,947 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-11 02:32:19,184 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 9 DAG size of output: 8 [2021-10-11 02:32:19,264 INFO L262 CegarLoopResult]: For program point L93(lines 93 99) no Hoare annotation was computed. [2021-10-11 02:32:19,264 INFO L262 CegarLoopResult]: For program point L93-2(lines 76 101) no Hoare annotation was computed. [2021-10-11 02:32:19,264 INFO L262 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2021-10-11 02:32:19,264 INFO L262 CegarLoopResult]: For program point L85(lines 85 91) no Hoare annotation was computed. [2021-10-11 02:32:19,264 INFO L262 CegarLoopResult]: For program point L118-2(line 118) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L258 CegarLoopResult]: At program point L118-3(lines 58 120) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_atan_float_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start_atan_float_~x)) [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point L77-2(lines 77 80) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point L69(lines 69 70) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point L78(lines 78 79) no Hoare annotation was computed. [2021-10-11 02:32:19,265 INFO L262 CegarLoopResult]: For program point L62-1(lines 62 66) no Hoare annotation was computed. [2021-10-11 02:32:19,266 INFO L258 CegarLoopResult]: At program point L62-2(lines 62 66) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start_atan_float_~x)) [2021-10-11 02:32:19,266 INFO L262 CegarLoopResult]: For program point L62-3(lines 62 66) no Hoare annotation was computed. [2021-10-11 02:32:19,266 INFO L262 CegarLoopResult]: For program point L21-1(lines 21 25) no Hoare annotation was computed. [2021-10-11 02:32:19,266 INFO L258 CegarLoopResult]: At program point L21-2(lines 21 25) the Hoare annotation is: false [2021-10-11 02:32:19,266 INFO L262 CegarLoopResult]: For program point L71(lines 71 74) no Hoare annotation was computed. [2021-10-11 02:32:19,266 INFO L265 CegarLoopResult]: At program point L138(lines 122 139) the Hoare annotation is: true [2021-10-11 02:32:19,266 INFO L258 CegarLoopResult]: At program point L31(lines 19 32) the Hoare annotation is: false [2021-10-11 02:32:19,266 INFO L262 CegarLoopResult]: For program point L114(lines 114 119) no Hoare annotation was computed. [2021-10-11 02:32:19,267 INFO L262 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-11 02:32:19,267 INFO L262 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2021-10-11 02:32:19,267 INFO L262 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-11 02:32:19,267 INFO L258 CegarLoopResult]: At program point L17(line 17) the Hoare annotation is: (and (= (let ((.cse0 (fp.div roundNearestTiesToEven (_ +zero 8 24) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_atan_float_#res|) (= currentRoundingMode roundNearestTiesToEven) (= (_ bv1 32) |ULTIMATE.start_isnan_float_#res|) (= (fp.div currentRoundingMode (_ +zero 8 24) (_ +zero 8 24)) ULTIMATE.start_atan_float_~x)) [2021-10-11 02:32:19,267 INFO L262 CegarLoopResult]: For program point L133(lines 133 136) no Hoare annotation was computed. [2021-10-11 02:32:19,267 INFO L262 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2021-10-11 02:32:19,268 INFO L262 CegarLoopResult]: For program point L26-1(lines 19 32) no Hoare annotation was computed. [2021-10-11 02:32:19,268 INFO L262 CegarLoopResult]: For program point L26-2(lines 26 30) no Hoare annotation was computed. [2021-10-11 02:32:19,268 INFO L262 CegarLoopResult]: For program point L84(lines 84 100) no Hoare annotation was computed. [2021-10-11 02:32:19,268 INFO L262 CegarLoopResult]: For program point L76(lines 76 101) no Hoare annotation was computed. [2021-10-11 02:32:19,268 INFO L262 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2021-10-11 02:32:19,268 INFO L262 CegarLoopResult]: For program point L68(lines 68 75) no Hoare annotation was computed. [2021-10-11 02:32:19,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.10 02:32:19 BoogieIcfgContainer [2021-10-11 02:32:19,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-11 02:32:19,292 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-11 02:32:19,292 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-11 02:32:19,292 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-11 02:32:19,292 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.10 02:31:56" (3/4) ... [2021-10-11 02:32:19,295 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-11 02:32:19,307 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2021-10-11 02:32:19,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2021-10-11 02:32:19,308 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:19,309 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-11 02:32:19,334 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-10-11 02:32:19,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x [2021-10-11 02:32:19,373 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_486a524b-8529-4cb7-a360-7a17a54d3802/bin/utaipan-WLngWcDbfI/witness.graphml [2021-10-11 02:32:19,373 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-11 02:32:19,374 INFO L168 Benchmark]: Toolchain (without parser) took 39002.88 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 43.8 MB in the beginning and 44.0 MB in the end (delta: -135.1 kB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,375 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 42.3 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-11 02:32:19,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 402.44 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 42.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,376 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.56 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 40.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,376 INFO L168 Benchmark]: Boogie Preprocessor took 46.14 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 37.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,377 INFO L168 Benchmark]: RCFGBuilder took 15331.44 ms. Allocated memory is still 60.8 MB. Free memory was 37.8 MB in the beginning and 29.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,377 INFO L168 Benchmark]: TraceAbstraction took 23074.57 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 48.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,378 INFO L168 Benchmark]: Witness Printer took 81.98 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 44.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-11 02:32:19,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 42.3 MB in the end (delta: 54.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 402.44 ms. Allocated memory is still 60.8 MB. Free memory was 43.7 MB in the beginning and 42.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 57.56 ms. Allocated memory is still 60.8 MB. Free memory was 42.4 MB in the beginning and 40.1 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.14 ms. Allocated memory is still 60.8 MB. Free memory was 40.1 MB in the beginning and 37.8 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 15331.44 ms. Allocated memory is still 60.8 MB. Free memory was 37.8 MB in the beginning and 29.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 23074.57 ms. Allocated memory was 60.8 MB in the beginning and 75.5 MB in the end (delta: 14.7 MB). Free memory was 28.8 MB in the beginning and 48.7 MB in the end (delta: -20.0 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * Witness Printer took 81.98 ms. Allocated memory is still 75.5 MB. Free memory was 48.7 MB in the beginning and 44.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 122]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 17]: Loop Invariant [2021-10-11 02:32:19,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: ((~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && 1bv32 == \result) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 62]: Loop Invariant [2021-10-11 02:32:19,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 58]: Loop Invariant [2021-10-11 02:32:19,391 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2021-10-11 02:32:19,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven Derived loop invariant: (~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE())) == \result && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && ~fp.div~FLOAT(unknown-currentRoundingMode-unknown, ~Pluszero~LONGDOUBLE(), ~Pluszero~LONGDOUBLE()) == x - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 22.6s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 17.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 71 SDtfs, 62 SDslu, 86 SDs, 0 SdLazy, 49 SolverSat, 2 SolverUnsat, 7 SolverUnknown, 0 SolverNotchecked, 17.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 7 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 6 PreInvPairs, 10 NumberOfFragments, 60 HoareAnnotationTreeSize, 6 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 6 FomulaSimplificationsInter, 7 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.6s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 30 ConstructedInterpolants, 5 QuantifiedInterpolants, 1648 SizeOfPredicates, 16 NumberOfNonLiveVariables, 296 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...