./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.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_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 b4c34662463e17ac30593a66de4e00eb1d619b62 .................................................................................................................................................................................................................................................................................................................................. 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_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 b4c34662463e17ac30593a66de4e00eb1d619b62 ............................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 15:58:43,247 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:58:43,249 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:58:43,256 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:58:43,257 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:58:43,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:58:43,258 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:58:43,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:58:43,261 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:58:43,262 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:58:43,262 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:58:43,263 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:58:43,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:58:43,264 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:58:43,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:58:43,266 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:58:43,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:58:43,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:58:43,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:58:43,270 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:58:43,271 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:58:43,272 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:58:43,272 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:58:43,273 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:58:43,275 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:58:43,275 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:58:43,275 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:58:43,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:58:43,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:58:43,276 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:58:43,276 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:58:43,277 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:58:43,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:58:43,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:58:43,278 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:58:43,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:58:43,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:58:43,279 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:58:43,279 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:58:43,279 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:58:43,280 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:58:43,280 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 15:58:43,290 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:58:43,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:58:43,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:58:43,291 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:58:43,291 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 15:58:43,292 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:58:43,292 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 15:58:43,293 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 15:58:43,293 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 15:58:43,293 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:58:43,293 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:58:43,293 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:58:43,294 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:58:43,295 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:58:43,295 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:58:43,295 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:58:43,295 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:58:43,295 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:58:43,295 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:58:43,295 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:58:43,296 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:58:43,296 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:58:43,297 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_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 -> b4c34662463e17ac30593a66de4e00eb1d619b62 [2019-12-07 15:58:43,399 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:58:43,409 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:58:43,412 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:58:43,413 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:58:43,414 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:58:43,414 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-07 15:58:43,456 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/18f682b14/7c1ddd680cf04ee691ec324c63ecdb8d/FLAG43580df0b [2019-12-07 15:58:43,883 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:58:43,883 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-07 15:58:43,888 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/18f682b14/7c1ddd680cf04ee691ec324c63ecdb8d/FLAG43580df0b [2019-12-07 15:58:43,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/18f682b14/7c1ddd680cf04ee691ec324c63ecdb8d [2019-12-07 15:58:43,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:58:43,900 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:58:43,901 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:43,901 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:58:43,903 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:58:43,904 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:43" (1/1) ... [2019-12-07 15:58:43,905 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1d1bf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:43, skipping insertion in model container [2019-12-07 15:58:43,905 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:43" (1/1) ... [2019-12-07 15:58:43,910 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:58:43,927 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:58:44,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:44,101 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:58:44,135 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:44,151 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:58:44,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44 WrapperNode [2019-12-07 15:58:44,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:44,152 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:44,152 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:58:44,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:58:44,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,166 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:44,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:58:44,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:58:44,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:58:44,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,218 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... [2019-12-07 15:58:44,231 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:58:44,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:58:44,231 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:58:44,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:58:44,232 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 15:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 15:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 15:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 15:58:44,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:58:44,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 15:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 15:58:44,272 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:58:44,799 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:58:44,799 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 15:58:44,800 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:44 BoogieIcfgContainer [2019-12-07 15:58:44,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:58:44,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:58:44,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:58:44,803 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:58:44,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:58:43" (1/3) ... [2019-12-07 15:58:44,804 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7742f8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:58:44, skipping insertion in model container [2019-12-07 15:58:44,804 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:44" (2/3) ... [2019-12-07 15:58:44,805 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7742f8e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:58:44, skipping insertion in model container [2019-12-07 15:58:44,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:44" (3/3) ... [2019-12-07 15:58:44,806 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2019-12-07 15:58:44,813 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:58:44,817 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:58:44,825 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:58:44,840 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:58:44,841 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:58:44,841 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:58:44,841 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:58:44,841 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:58:44,841 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:58:44,841 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:58:44,841 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:58:44,852 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 15:58:44,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 15:58:44,856 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:44,857 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:58:44,857 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:44,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:44,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1657939440, now seen corresponding path program 1 times [2019-12-07 15:58:44,867 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:58:44,867 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717466634] [2019-12-07 15:58:44,867 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:44,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:58:44,981 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 15:58:44,981 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717466634] [2019-12-07 15:58:44,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:58:44,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 15:58:44,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917829989] [2019-12-07 15:58:44,985 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:58:44,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 15:58:44,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:58:44,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:58:44,996 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2019-12-07 15:58:45,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:58:45,017 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2019-12-07 15:58:45,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:58:45,018 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 15:58:45,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:58:45,026 INFO L225 Difference]: With dead ends: 163 [2019-12-07 15:58:45,026 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 15:58:45,028 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 15:58:45,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 15:58:45,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 15:58:45,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 15:58:45,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2019-12-07 15:58:45,054 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2019-12-07 15:58:45,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:58:45,055 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2019-12-07 15:58:45,055 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:58:45,055 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2019-12-07 15:58:45,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 15:58:45,055 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:58:45,055 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:58:45,055 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:58:45,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:58:45,056 INFO L82 PathProgramCache]: Analyzing trace with hash -57311943, now seen corresponding path program 1 times [2019-12-07 15:58:45,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 15:58:45,056 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994572536] [2019-12-07 15:58:45,056 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:58:45,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:58:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:58:45,161 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 15:58:45,161 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:58:45,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:58:45 BoogieIcfgContainer [2019-12-07 15:58:45,186 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:58:45,187 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:58:45,187 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:58:45,187 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:58:45,187 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:58:44" (3/4) ... [2019-12-07 15:58:45,190 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:58:45,190 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:58:45,191 INFO L168 Benchmark]: Toolchain (without parser) took 1290.67 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 944.7 MB in the beginning and 970.3 MB in the end (delta: -25.5 MB). Peak memory consumption was 87.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:45,192 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:58:45,192 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:45,193 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:45,193 INFO L168 Benchmark]: Boogie Preprocessor took 39.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:58:45,193 INFO L168 Benchmark]: RCFGBuilder took 568.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:45,194 INFO L168 Benchmark]: TraceAbstraction took 385.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 970.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:58:45,194 INFO L168 Benchmark]: Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 970.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:58:45,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 250.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -158.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 568.91 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 84.2 MB). Peak memory consumption was 84.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 385.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 970.3 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.99 ms. Allocated memory is still 1.1 GB. Free memory is still 970.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 258]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L251] double x = -1.0 / 0.0; [L252] double y = 1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L254] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] __VERIFIER_error() VAL [aT_atan={5:0}, atanhi_atan={3:0}, atanlo_atan={6:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 82 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 111 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=82occurred 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, 20 NumberOfCodeBlocks, 20 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 15:58:46,519 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:58:46,520 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:58:46,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:58:46,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:58:46,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:58:46,532 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:58:46,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:58:46,535 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:58:46,536 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:58:46,537 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:58:46,538 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:58:46,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:58:46,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:58:46,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:58:46,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:58:46,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:58:46,542 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:58:46,544 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:58:46,546 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:58:46,547 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:58:46,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:58:46,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:58:46,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:58:46,552 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:58:46,553 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:58:46,553 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:58:46,553 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:58:46,554 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:58:46,555 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:58:46,555 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:58:46,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:58:46,556 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:58:46,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:58:46,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:58:46,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:58:46,558 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:58:46,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:58:46,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:58:46,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:58:46,560 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:58:46,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 15:58:46,572 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:58:46,573 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:58:46,573 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 15:58:46,573 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 15:58:46,574 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 15:58:46,574 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 15:58:46,574 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 15:58:46,574 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 15:58:46,574 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 15:58:46,575 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:58:46,575 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 15:58:46,575 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 15:58:46,575 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:58:46,575 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:58:46,576 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:58:46,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 15:58:46,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:58:46,577 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:58:46,577 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 15:58:46,577 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 15:58:46,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 15:58:46,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:58:46,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 15:58:46,579 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_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 -> b4c34662463e17ac30593a66de4e00eb1d619b62 [2019-12-07 15:58:46,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:58:46,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:58:46,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:58:46,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:58:46,772 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:58:46,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-07 15:58:46,812 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/7b3ad70a9/79650f52ffc2464fac6ad175222e2bee/FLAG56140bf86 [2019-12-07 15:58:47,227 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:58:47,228 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2019-12-07 15:58:47,233 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/7b3ad70a9/79650f52ffc2464fac6ad175222e2bee/FLAG56140bf86 [2019-12-07 15:58:47,593 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/data/7b3ad70a9/79650f52ffc2464fac6ad175222e2bee [2019-12-07 15:58:47,597 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:58:47,599 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:58:47,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:47,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:58:47,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:58:47,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@453566ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47, skipping insertion in model container [2019-12-07 15:58:47,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,611 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:58:47,631 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:58:47,784 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:47,790 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:58:47,862 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:58:47,881 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:58:47,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47 WrapperNode [2019-12-07 15:58:47,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:58:47,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:47,882 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:58:47,882 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:58:47,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,899 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:58:47,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:58:47,926 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:58:47,926 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:58:47,932 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... [2019-12-07 15:58:47,969 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:58:47,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:58:47,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:58:47,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:58:47,971 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 15:58:48,009 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:58:48,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 15:58:48,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 15:59:24,348 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:59:24,349 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 15:59:24,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:59:24 BoogieIcfgContainer [2019-12-07 15:59:24,350 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:59:24,351 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 15:59:24,351 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 15:59:24,354 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 15:59:24,354 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 03:58:47" (1/3) ... [2019-12-07 15:59:24,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c33fbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:59:24, skipping insertion in model container [2019-12-07 15:59:24,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:58:47" (2/3) ... [2019-12-07 15:59:24,355 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c33fbbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 03:59:24, skipping insertion in model container [2019-12-07 15:59:24,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:59:24" (3/3) ... [2019-12-07 15:59:24,357 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2019-12-07 15:59:24,366 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 15:59:24,372 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 15:59:24,381 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 15:59:24,398 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 15:59:24,398 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 15:59:24,398 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 15:59:24,398 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:59:24,398 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:59:24,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 15:59:24,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:59:24,399 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 15:59:24,410 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 15:59:24,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 15:59:24,414 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:59:24,415 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:59:24,415 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:59:24,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:59:24,419 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 15:59:24,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:59:24,427 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [898099944] [2019-12-07 15:59:24,428 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 15:59:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:59:24,851 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 15:59:24,854 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:59:24,864 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 15:59:24,864 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 15:59:24,866 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 15:59:24,867 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [898099944] [2019-12-07 15:59:24,867 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 15:59:24,867 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 15:59:24,868 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779528108] [2019-12-07 15:59:24,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 15:59:24,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 15:59:24,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 15:59:24,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 15:59:24,881 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 15:59:24,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 15:59:24,904 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 15:59:24,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 15:59:24,905 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 15:59:24,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 15:59:24,917 INFO L225 Difference]: With dead ends: 224 [2019-12-07 15:59:24,917 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 15:59:24,920 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 15:59:24,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 15:59:24,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 15:59:24,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 15:59:24,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 15:59:24,951 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 15:59:24,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 15:59:24,951 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 15:59:24,951 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 15:59:24,952 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 15:59:24,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 15:59:24,952 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 15:59:24,952 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 15:59:25,153 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 15:59:25,153 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 15:59:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:59:25,154 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 15:59:25,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 15:59:25,155 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [692490997] [2019-12-07 15:59:25,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/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 15:59:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:59:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:59:26,578 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 15:59:26,578 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 15:59:26,779 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 15:59:26,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 03:59:26 BoogieIcfgContainer [2019-12-07 15:59:26,839 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 15:59:26,839 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:59:26,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:59:26,840 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:59:26,840 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:59:24" (3/4) ... [2019-12-07 15:59:26,842 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 15:59:26,886 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7d69e263-752c-4fc1-a3ce-ee498c51fa45/bin/utaipan/witness.graphml [2019-12-07 15:59:26,886 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:59:26,888 INFO L168 Benchmark]: Toolchain (without parser) took 39289.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.4 MB in the beginning and 945.7 MB in the end (delta: 6.7 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:59:26,888 INFO L168 Benchmark]: CDTParser took 0.55 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 15:59:26,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 282.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 15:59:26,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.26 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 15:59:26,889 INFO L168 Benchmark]: Boogie Preprocessor took 44.08 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 15:59:26,889 INFO L168 Benchmark]: RCFGBuilder took 36380.56 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. [2019-12-07 15:59:26,890 INFO L168 Benchmark]: TraceAbstraction took 2487.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.3 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2019-12-07 15:59:26,890 INFO L168 Benchmark]: Witness Printer took 47.02 ms. Allocated memory is still 1.2 GB. Free memory was 952.3 MB in the beginning and 945.7 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:59:26,891 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.55 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 282.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.26 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 44.08 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 36380.56 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: 85.9 MB). Peak memory consumption was 85.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2487.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.3 MB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.02 ms. Allocated memory is still 1.2 GB. Free memory was 952.3 MB in the beginning and 945.7 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.plugins.generator.traceabstraction: - CounterExampleResult [Line: 258]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L251] double x = -1.0 / 0.0; [L252] double y = 1.0 / 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L254] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 100 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...