./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0066fcab2564f09db3071e2285821ebfe13e2 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dbf0066fcab2564f09db3071e2285821ebfe13e2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 20:54:04,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:54:04,227 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:54:04,236 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:54:04,237 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:54:04,237 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:54:04,238 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:54:04,240 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:54:04,241 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:54:04,242 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:54:04,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:54:04,243 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:54:04,243 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:54:04,244 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:54:04,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:54:04,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:54:04,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:54:04,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:54:04,248 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:54:04,249 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:54:04,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:54:04,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:54:04,252 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:54:04,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:54:04,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:54:04,254 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:54:04,254 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:54:04,255 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:54:04,255 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:54:04,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:54:04,256 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:54:04,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:54:04,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:54:04,257 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:54:04,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:54:04,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:54:04,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:54:04,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:54:04,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:54:04,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:54:04,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:54:04,261 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 20:54:04,273 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:54:04,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:54:04,274 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:54:04,274 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:54:04,274 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:54:04,274 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:54:04,274 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 20:54:04,275 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:54:04,275 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:54:04,275 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 20:54:04,275 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 20:54:04,275 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:54:04,276 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 20:54:04,276 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 20:54:04,276 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 20:54:04,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:54:04,277 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:54:04,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 20:54:04,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:54:04,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:54:04,277 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:54:04,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:54:04,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:54:04,278 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:54:04,278 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:54:04,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:54:04,278 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:54:04,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:54:04,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:54:04,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:54:04,279 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:54:04,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:04,279 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:54:04,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:54:04,280 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:54:04,280 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 20:54:04,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 20:54:04,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:54:04,281 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:54:04,281 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:54:04,281 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-12-07 20:54:04,384 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:54:04,391 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:54:04,393 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:54:04,394 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:54:04,395 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:54:04,395 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 20:54:04,431 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/b85ddaa57/2c8c64c7b513481f812ca516f6ea5f12/FLAGb4351245f [2019-12-07 20:54:04,836 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:54:04,836 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 20:54:04,841 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/b85ddaa57/2c8c64c7b513481f812ca516f6ea5f12/FLAGb4351245f [2019-12-07 20:54:04,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/b85ddaa57/2c8c64c7b513481f812ca516f6ea5f12 [2019-12-07 20:54:04,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:54:04,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:54:04,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:04,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:54:04,856 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:54:04,857 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:04" (1/1) ... [2019-12-07 20:54:04,859 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17b32c79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:04, skipping insertion in model container [2019-12-07 20:54:04,859 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:04" (1/1) ... [2019-12-07 20:54:04,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:54:04,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:05,068 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:05,071 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:54:05,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:05,123 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:54:05,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05 WrapperNode [2019-12-07 20:54:05,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:05,124 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:05,124 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:54:05,124 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:54:05,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,140 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:05,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:54:05,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:54:05,163 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:54:05,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,184 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,192 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... [2019-12-07 20:54:05,195 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:54:05,196 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:54:05,196 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:54:05,196 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:54:05,197 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:54:05,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 20:54:05,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:54:05,792 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:54:05,792 INFO L287 CfgBuilder]: Removed 28 assume(true) statements. [2019-12-07 20:54:05,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:05 BoogieIcfgContainer [2019-12-07 20:54:05,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:54:05,795 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:54:05,795 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:54:05,797 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:54:05,797 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:54:04" (1/3) ... [2019-12-07 20:54:05,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41330c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:05, skipping insertion in model container [2019-12-07 20:54:05,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:05" (2/3) ... [2019-12-07 20:54:05,798 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41330c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:05, skipping insertion in model container [2019-12-07 20:54:05,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:05" (3/3) ... [2019-12-07 20:54:05,800 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-12-07 20:54:05,808 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:54:05,813 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:54:05,821 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:54:05,838 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:54:05,838 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:54:05,838 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:54:05,838 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:54:05,838 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:54:05,838 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:54:05,839 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:54:05,839 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:54:05,849 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states. [2019-12-07 20:54:05,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 20:54:05,852 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:05,853 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:05,853 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:05,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:05,857 INFO L82 PathProgramCache]: Analyzing trace with hash -1593506622, now seen corresponding path program 1 times [2019-12-07 20:54:05,863 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:54:05,863 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131936728] [2019-12-07 20:54:05,863 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:54:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:05,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:05,951 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131936728] [2019-12-07 20:54:05,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:05,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 20:54:05,952 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828440086] [2019-12-07 20:54:05,955 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:54:05,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 20:54:05,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:54:05,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:05,965 INFO L87 Difference]: Start difference. First operand 45 states. Second operand 2 states. [2019-12-07 20:54:05,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:05,979 INFO L93 Difference]: Finished difference Result 89 states and 145 transitions. [2019-12-07 20:54:05,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:54:05,980 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 20:54:05,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:05,987 INFO L225 Difference]: With dead ends: 89 [2019-12-07 20:54:05,987 INFO L226 Difference]: Without dead ends: 43 [2019-12-07 20:54:05,989 INFO L630 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 [2019-12-07 20:54:06,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2019-12-07 20:54:06,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2019-12-07 20:54:06,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2019-12-07 20:54:06,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 56 transitions. [2019-12-07 20:54:06,013 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 56 transitions. Word has length 9 [2019-12-07 20:54:06,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:06,013 INFO L462 AbstractCegarLoop]: Abstraction has 43 states and 56 transitions. [2019-12-07 20:54:06,014 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:54:06,014 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 56 transitions. [2019-12-07 20:54:06,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:54:06,014 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:06,014 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:06,014 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:06,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:06,014 INFO L82 PathProgramCache]: Analyzing trace with hash -905856845, now seen corresponding path program 1 times [2019-12-07 20:54:06,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 20:54:06,015 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513698557] [2019-12-07 20:54:06,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 20:54:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:54:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 20:54:06,068 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 20:54:06,069 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 20:54:06,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:54:06 BoogieIcfgContainer [2019-12-07 20:54:06,091 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:54:06,092 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:54:06,092 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:54:06,092 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:54:06,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:05" (3/4) ... [2019-12-07 20:54:06,094 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 20:54:06,094 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:54:06,096 INFO L168 Benchmark]: Toolchain (without parser) took 1242.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.1 MB in the beginning and 997.6 MB in the end (delta: -59.5 MB). Peak memory consumption was 69.9 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:06,096 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:06,097 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:06,097 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:06,097 INFO L168 Benchmark]: Boogie Preprocessor took 32.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:06,098 INFO L168 Benchmark]: RCFGBuilder took 598.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:06,098 INFO L168 Benchmark]: TraceAbstraction took 296.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:06,098 INFO L168 Benchmark]: Witness Printer took 2.72 ms. Allocated memory is still 1.2 GB. Free memory is still 997.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:06,101 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.93 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 938.1 MB in the beginning and 1.1 GB in the end (delta: -180.8 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 598.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 83.7 MB). Peak memory consumption was 83.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 296.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 997.6 MB in the end (delta: 32.2 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Witness Printer took 2.72 ms. Allocated memory is still 1.2 GB. Free memory is still 997.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 240]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someUnaryDOUBLEoperation at line 148, overapproximation of bitwiseAnd at line 166, overapproximation of someBinaryArithmeticDOUBLEoperation at line 183, overapproximation of someBinaryDOUBLEComparisonOperation at line 239. Possible FailurePath: [L16] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L156] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L235] double x = 0.0; [L159] double t, w, p, q, c, r, s; [L160] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L162] ieee_double_shape_type gh_u; [L163] gh_u.value = (x) [L164] EXPR gh_u.parts.msw [L164] (hx) = gh_u.parts.msw [L166] ix = hx & 0x7fffffff VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L167] COND FALSE !(ix >= 0x3ff00000) VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L178] COND TRUE ix < 0x3fe00000 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L179] COND FALSE !(ix < 0x3e400000) [L183] t = x * x [L184-L187] p = t * (pS0_asin + t * (pS1_asin + t * (pS2_asin + t * (pS3_asin + t * (pS4_asin + t * pS5_asin))))) [L188-L189] q = one_asin + t * (qS1_asin + t * (qS2_asin + t * (qS3_asin + t * qS4_asin))) [L190] w = p / q [L191] return x + x * w; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L236] double res = __ieee754_asin(x); [L239] COND TRUE res != x VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L240] __VERIFIER_error() VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 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, 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 0.1.25-f470102 [2019-12-07 20:54:07,639 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 20:54:07,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 20:54:07,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 20:54:07,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 20:54:07,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 20:54:07,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 20:54:07,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 20:54:07,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 20:54:07,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 20:54:07,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 20:54:07,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 20:54:07,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 20:54:07,656 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 20:54:07,656 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 20:54:07,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 20:54:07,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 20:54:07,658 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 20:54:07,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 20:54:07,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 20:54:07,663 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 20:54:07,664 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 20:54:07,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 20:54:07,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 20:54:07,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 20:54:07,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 20:54:07,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 20:54:07,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 20:54:07,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 20:54:07,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 20:54:07,669 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 20:54:07,669 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 20:54:07,670 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 20:54:07,670 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 20:54:07,671 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 20:54:07,671 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 20:54:07,672 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 20:54:07,672 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 20:54:07,672 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 20:54:07,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 20:54:07,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 20:54:07,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 20:54:07,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 20:54:07,684 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 20:54:07,685 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 20:54:07,685 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 20:54:07,685 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 20:54:07,685 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 20:54:07,685 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 20:54:07,685 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 20:54:07,685 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 20:54:07,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 20:54:07,686 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 20:54:07,686 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 20:54:07,686 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 20:54:07,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 20:54:07,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 20:54:07,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 20:54:07,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 20:54:07,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 20:54:07,688 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 20:54:07,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 20:54:07,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:07,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 20:54:07,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 20:54:07,689 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dbf0066fcab2564f09db3071e2285821ebfe13e2 [2019-12-07 20:54:07,856 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 20:54:07,866 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 20:54:07,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 20:54:07,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 20:54:07,870 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 20:54:07,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 20:54:07,911 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/d684f09b0/5c3d0b11b75a43f3bfebd9baa614b6b2/FLAGb9d301dc9 [2019-12-07 20:54:08,415 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 20:54:08,416 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/sv-benchmarks/c/float-newlib/double_req_bl_0270a.c [2019-12-07 20:54:08,421 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/d684f09b0/5c3d0b11b75a43f3bfebd9baa614b6b2/FLAGb9d301dc9 [2019-12-07 20:54:08,898 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/data/d684f09b0/5c3d0b11b75a43f3bfebd9baa614b6b2 [2019-12-07 20:54:08,900 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 20:54:08,901 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 20:54:08,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:08,902 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 20:54:08,904 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 20:54:08,905 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@faaa545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:08, skipping insertion in model container [2019-12-07 20:54:08,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 08:54:08" (1/1) ... [2019-12-07 20:54:08,912 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 20:54:08,929 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 20:54:09,067 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:09,071 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 20:54:09,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 20:54:09,166 INFO L208 MainTranslator]: Completed translation [2019-12-07 20:54:09,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09 WrapperNode [2019-12-07 20:54:09,167 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 20:54:09,167 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:09,167 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 20:54:09,167 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 20:54:09,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,184 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 20:54:09,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 20:54:09,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 20:54:09,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 20:54:09,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,220 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,221 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,238 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,241 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... [2019-12-07 20:54:09,245 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 20:54:09,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 20:54:09,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 20:54:09,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 20:54:09,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 20:54:09,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 20:54:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 20:54:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 20:54:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 20:54:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 20:54:09,286 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 20:54:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 20:54:09,286 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 20:54:27,764 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 20:54:27,764 INFO L287 CfgBuilder]: Removed 28 assume(true) statements. [2019-12-07 20:54:27,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:27 BoogieIcfgContainer [2019-12-07 20:54:27,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 20:54:27,765 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 20:54:27,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 20:54:27,767 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 20:54:27,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 08:54:08" (1/3) ... [2019-12-07 20:54:27,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dab5cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:27, skipping insertion in model container [2019-12-07 20:54:27,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 08:54:09" (2/3) ... [2019-12-07 20:54:27,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dab5cf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 08:54:27, skipping insertion in model container [2019-12-07 20:54:27,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:27" (3/3) ... [2019-12-07 20:54:27,770 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0270a.c [2019-12-07 20:54:27,776 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 20:54:27,780 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 20:54:27,788 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 20:54:27,804 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 20:54:27,804 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 20:54:27,804 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 20:54:27,804 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 20:54:27,805 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 20:54:27,805 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 20:54:27,805 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 20:54:27,805 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 20:54:27,815 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states. [2019-12-07 20:54:27,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 20:54:27,819 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:27,819 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:27,820 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:27,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:27,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1035834224, now seen corresponding path program 1 times [2019-12-07 20:54:27,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:27,831 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322450055] [2019-12-07 20:54:27,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 20:54:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:28,396 INFO L264 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 20:54:28,400 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:28,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:28,411 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:28,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:28,414 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322450055] [2019-12-07 20:54:28,414 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:28,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 20:54:28,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670761773] [2019-12-07 20:54:28,418 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 20:54:28,418 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:28,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 20:54:28,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:28,429 INFO L87 Difference]: Start difference. First operand 71 states. Second operand 2 states. [2019-12-07 20:54:28,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:28,446 INFO L93 Difference]: Finished difference Result 140 states and 230 transitions. [2019-12-07 20:54:28,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 20:54:28,447 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 20:54:28,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:28,457 INFO L225 Difference]: With dead ends: 140 [2019-12-07 20:54:28,457 INFO L226 Difference]: Without dead ends: 68 [2019-12-07 20:54:28,460 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 20:54:28,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2019-12-07 20:54:28,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2019-12-07 20:54:28,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2019-12-07 20:54:28,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 94 transitions. [2019-12-07 20:54:28,490 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 94 transitions. Word has length 10 [2019-12-07 20:54:28,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:28,490 INFO L462 AbstractCegarLoop]: Abstraction has 68 states and 94 transitions. [2019-12-07 20:54:28,490 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 20:54:28,490 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2019-12-07 20:54:28,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 20:54:28,491 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:28,491 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:28,692 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 20:54:28,692 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:28,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:28,693 INFO L82 PathProgramCache]: Analyzing trace with hash -744853926, now seen corresponding path program 1 times [2019-12-07 20:54:28,694 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:28,694 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [339165621] [2019-12-07 20:54:28,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 20:54:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:32,605 INFO L264 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 8 conjunts are in the unsatisfiable core [2019-12-07 20:54:32,608 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:32,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:32,684 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:32,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:32,741 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [339165621] [2019-12-07 20:54:32,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:32,741 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:54:32,741 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263665269] [2019-12-07 20:54:32,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:54:32,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:32,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:54:32,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:54:32,744 INFO L87 Difference]: Start difference. First operand 68 states and 94 transitions. Second operand 8 states. [2019-12-07 20:54:34,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:34,107 INFO L93 Difference]: Finished difference Result 124 states and 171 transitions. [2019-12-07 20:54:34,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:54:34,108 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 11 [2019-12-07 20:54:34,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:34,109 INFO L225 Difference]: With dead ends: 124 [2019-12-07 20:54:34,109 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 20:54:34,110 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:54:34,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 20:54:34,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 20:54:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 20:54:34,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 85 transitions. [2019-12-07 20:54:34,118 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 85 transitions. Word has length 11 [2019-12-07 20:54:34,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:34,118 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 85 transitions. [2019-12-07 20:54:34,118 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:54:34,118 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 85 transitions. [2019-12-07 20:54:34,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 20:54:34,118 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:34,118 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:34,319 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 20:54:34,320 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:34,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:34,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1629311917, now seen corresponding path program 1 times [2019-12-07 20:54:34,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:34,322 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [749500713] [2019-12-07 20:54:34,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-07 20:54:34,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:34,501 INFO L264 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 6 conjunts are in the unsatisfiable core [2019-12-07 20:54:34,502 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:34,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:34,547 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:34,585 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [749500713] [2019-12-07 20:54:34,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:34,585 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-12-07 20:54:34,585 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186691832] [2019-12-07 20:54:34,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-07 20:54:34,585 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:34,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-07 20:54:34,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-07 20:54:34,586 INFO L87 Difference]: Start difference. First operand 65 states and 85 transitions. Second operand 8 states. [2019-12-07 20:54:34,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:34,836 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2019-12-07 20:54:34,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 20:54:34,837 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2019-12-07 20:54:34,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:34,837 INFO L225 Difference]: With dead ends: 69 [2019-12-07 20:54:34,837 INFO L226 Difference]: Without dead ends: 65 [2019-12-07 20:54:34,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-12-07 20:54:34,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2019-12-07 20:54:34,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2019-12-07 20:54:34,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2019-12-07 20:54:34,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2019-12-07 20:54:34,844 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 12 [2019-12-07 20:54:34,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:34,845 INFO L462 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2019-12-07 20:54:34,845 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-07 20:54:34,845 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2019-12-07 20:54:34,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-07 20:54:34,846 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 20:54:34,846 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 20:54:35,046 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-07 20:54:35,047 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 20:54:35,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 20:54:35,048 INFO L82 PathProgramCache]: Analyzing trace with hash -264969657, now seen corresponding path program 1 times [2019-12-07 20:54:35,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 20:54:35,050 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [91989808] [2019-12-07 20:54:35,051 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-12-07 20:54:40,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 20:54:40,708 INFO L264 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 7 conjunts are in the unsatisfiable core [2019-12-07 20:54:40,711 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 20:54:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:40,773 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 20:54:41,769 WARN L192 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2019-12-07 20:54:42,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 20:54:42,088 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [91989808] [2019-12-07 20:54:42,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 20:54:42,088 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 5 [2019-12-07 20:54:42,088 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346322254] [2019-12-07 20:54:42,089 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-07 20:54:42,089 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 20:54:42,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-07 20:54:42,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:54:42,089 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand 6 states. [2019-12-07 20:54:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 20:54:42,257 INFO L93 Difference]: Finished difference Result 65 states and 84 transitions. [2019-12-07 20:54:42,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 20:54:42,258 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2019-12-07 20:54:42,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 20:54:42,258 INFO L225 Difference]: With dead ends: 65 [2019-12-07 20:54:42,258 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 20:54:42,259 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-07 20:54:42,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 20:54:42,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 20:54:42,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 20:54:42,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 20:54:42,260 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2019-12-07 20:54:42,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 20:54:42,260 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 20:54:42,260 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-07 20:54:42,260 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 20:54:42,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 20:54:42,460 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-12-07 20:54:42,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 20:54:42,609 INFO L246 CegarLoopResult]: For program point L85(lines 85 86) no Hoare annotation was computed. [2019-12-07 20:54:42,609 INFO L246 CegarLoopResult]: For program point L85-2(lines 85 86) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L69(lines 69 73) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L69-2(lines 69 73) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L169-1(lines 169 173) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L242 CegarLoopResult]: At program point L169-2(lines 169 173) the Hoare annotation is: false [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L169-3(lines 167 178) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L104(lines 104 109) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L88(lines 88 89) no Hoare annotation was computed. [2019-12-07 20:54:42,610 INFO L246 CegarLoopResult]: For program point L88-2(lines 88 89) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L204(lines 204 220) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L204-2(lines 158 225) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L105(lines 105 106) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L105-2(lines 105 106) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L56(lines 56 59) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L56-2(lines 56 59) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L242 CegarLoopResult]: At program point L139(lines 126 140) the Hoare annotation is: false [2019-12-07 20:54:42,611 INFO L242 CegarLoopResult]: At program point L123(lines 18 124) the Hoare annotation is: false [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L24-1(lines 24 29) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L242 CegarLoopResult]: At program point L24-2(lines 24 29) the Hoare annotation is: false [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L24-3(lines 18 124) no Hoare annotation was computed. [2019-12-07 20:54:42,611 INFO L246 CegarLoopResult]: For program point L239(lines 239 242) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point L240(line 240) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point L42(lines 42 53) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point L42-2(lines 42 53) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L242 CegarLoopResult]: At program point L224(lines 158 225) the Hoare annotation is: (and (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)) (= ULTIMATE.start___ieee754_asin_~ix~0 (bvand (_ bv2147483647 32) ((_ extract 63 32) v_skolemized_v_prenex_1_3))))) (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ULTIMATE.start_main_~x~0 |ULTIMATE.start___ieee754_asin_#res|) (exists ((v_skolemized_v_prenex_1_3 (_ BitVec 64))) (and (= ((_ extract 63 32) v_skolemized_v_prenex_1_3) ULTIMATE.start___ieee754_asin_~hx~0) (= (fp ((_ extract 63 63) v_skolemized_v_prenex_1_3) ((_ extract 62 52) v_skolemized_v_prenex_1_3) ((_ extract 51 0) v_skolemized_v_prenex_1_3)) (_ +zero 11 53)))) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53))) [2019-12-07 20:54:42,612 INFO L242 CegarLoopResult]: At program point L43-2(lines 43 47) the Hoare annotation is: false [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point L43-3(lines 43 47) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point L209-1(lines 209 214) no Hoare annotation was computed. [2019-12-07 20:54:42,612 INFO L242 CegarLoopResult]: At program point L209-2(lines 209 214) the Hoare annotation is: false [2019-12-07 20:54:42,612 INFO L246 CegarLoopResult]: For program point L209-3(lines 209 214) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L242 CegarLoopResult]: At program point L161-2(lines 161 165) the Hoare annotation is: (and (= (_ +zero 11 53) ULTIMATE.start_main_~x~0) (= ((_ to_fp 11 53) currentRoundingMode 1.0) ~one_asin~0) (= ULTIMATE.start___ieee754_asin_~x (_ +zero 11 53)) (= ((_ to_fp 11 53) currentRoundingMode 1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000.0) ~huge_asin~0) (= currentRoundingMode roundNearestTiesToEven)) [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point L128-1(lines 128 132) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point L161-3(lines 161 165) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L242 CegarLoopResult]: At program point L128-2(lines 128 132) the Hoare annotation is: false [2019-12-07 20:54:42,613 INFO L249 CegarLoopResult]: At program point L244(lines 227 245) the Hoare annotation is: true [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point L178(lines 178 193) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point L178-1(lines 178 193) no Hoare annotation was computed. [2019-12-07 20:54:42,613 INFO L246 CegarLoopResult]: For program point L179(lines 179 192) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L242 CegarLoopResult]: At program point L80-2(lines 80 96) the Hoare annotation is: false [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L80-3(lines 18 124) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L97(lines 97 111) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L180(lines 180 181) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L114(lines 114 115) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L114-2(lines 114 115) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 49) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L242 CegarLoopResult]: At program point L48-3(lines 48 49) the Hoare annotation is: false [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L48-4(lines 48 49) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 20:54:42,614 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 240) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L99(lines 99 110) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L83(lines 83 92) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 92) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L133(lines 133 138) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L133-1(lines 126 140) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L133-2(lines 133 138) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L34(lines 34 39) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L242 CegarLoopResult]: At program point L67-2(lines 67 77) the Hoare annotation is: false [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L34-2(lines 34 39) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L67-3(lines 67 77) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L246 CegarLoopResult]: For program point L117-1(lines 117 122) no Hoare annotation was computed. [2019-12-07 20:54:42,615 INFO L242 CegarLoopResult]: At program point L117-2(lines 117 122) the Hoare annotation is: false [2019-12-07 20:54:42,616 INFO L246 CegarLoopResult]: For program point L117-3(lines 117 122) no Hoare annotation was computed. [2019-12-07 20:54:42,616 INFO L246 CegarLoopResult]: For program point L167(lines 167 193) no Hoare annotation was computed. [2019-12-07 20:54:42,616 INFO L246 CegarLoopResult]: For program point L101(lines 101 109) no Hoare annotation was computed. [2019-12-07 20:54:42,616 INFO L246 CegarLoopResult]: For program point L35(lines 35 38) no Hoare annotation was computed. [2019-12-07 20:54:42,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,628 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,629 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,630 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,631 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 08:54:42 BoogieIcfgContainer [2019-12-07 20:54:42,632 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 20:54:42,633 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 20:54:42,633 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 20:54:42,633 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 20:54:42,633 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 08:54:27" (3/4) ... [2019-12-07 20:54:42,635 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 20:54:42,644 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2019-12-07 20:54:42,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-12-07 20:54:42,645 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-07 20:54:42,663 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() [2019-12-07 20:54:42,689 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0a5720e8-1e25-488b-b481-f804d4fed235/bin/utaipan/witness.graphml [2019-12-07 20:54:42,689 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 20:54:42,690 INFO L168 Benchmark]: Toolchain (without parser) took 33789.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 952.4 MB in the beginning and 892.3 MB in the end (delta: 60.1 MB). Peak memory consumption was 184.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:42,690 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:42,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:42,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:42,691 INFO L168 Benchmark]: Boogie Preprocessor took 37.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 20:54:42,691 INFO L168 Benchmark]: RCFGBuilder took 18519.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:42,692 INFO L168 Benchmark]: TraceAbstraction took 14867.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.9 MB in the end (delta: 156.6 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:42,692 INFO L168 Benchmark]: Witness Printer took 56.29 ms. Allocated memory is still 1.2 GB. Free memory was 898.9 MB in the beginning and 892.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 20:54:42,693 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 37.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 18519.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.3 MB). Peak memory consumption was 50.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14867.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.9 MB in the end (delta: 156.6 MB). Peak memory consumption was 156.6 MB. Max. memory is 11.5 GB. * Witness Printer took 56.29 ms. Allocated memory is still 1.2 GB. Free memory was 898.9 MB in the beginning and 892.3 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 169]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 161]: Loop Invariant [2019-12-07 20:54:42,697 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:42,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-12-07 20:54:42,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-12-07 20:54:42,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((~Pluszero~LONGDOUBLE() == x && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0) == one_asin) && x == ~Pluszero~LONGDOUBLE()) && ~to_fp~LONGDOUBLE(unknown-currentRoundingMode-unknown, 1.0E300) == huge_asin) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven - InvariantResult [Line: 158]: Loop Invariant [2019-12-07 20:54:42,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] [2019-12-07 20:54:42,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_skolemized_v_prenex_1_3,QUANTIFIED] Derived loop invariant: ((((\exists v_skolemized_v_prenex_1_3 : bv64 :: ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE() && ix == ~bvand32(2147483647bv32, v_skolemized_v_prenex_1_3[63:32])) && ~Pluszero~LONGDOUBLE() == x) && x == \result) && (\exists v_skolemized_v_prenex_1_3 : bv64 :: v_skolemized_v_prenex_1_3[63:32] == hx && ~fp~LONGDOUBLE(v_skolemized_v_prenex_1_3[63:63], v_skolemized_v_prenex_1_3[62:52], v_skolemized_v_prenex_1_3[51:0]) == ~Pluszero~LONGDOUBLE())) && x == ~Pluszero~LONGDOUBLE() - InvariantResult [Line: 126]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 48]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 14.6s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 258 SDtfs, 565 SDslu, 238 SDs, 0 SdLazy, 42 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 14 PreInvPairs, 17 NumberOfFragments, 74 HoareAnnotationTreeSize, 14 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 14 FomulaSimplificationsInter, 6 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 9.1s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 114 ConstructedInterpolants, 6 QuantifiedInterpolants, 8399 SizeOfPredicates, 17 NumberOfNonLiveVariables, 246 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...