./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.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_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 f884ccf2da0c4c4f4df1be4e75875f554c398438 .................................................................................................................................................................................................................................................................................................................................. 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_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 f884ccf2da0c4c4f4df1be4e75875f554c398438 ............................................................................................................................................................................................................................................................................................................................................ 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 19:11:14,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:11:14,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:11:14,218 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:11:14,218 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:11:14,219 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:11:14,220 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:11:14,222 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:11:14,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:11:14,224 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:11:14,225 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:11:14,226 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:11:14,227 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:11:14,227 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:11:14,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:11:14,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:11:14,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:11:14,231 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:11:14,233 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:11:14,234 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:11:14,236 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:11:14,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:11:14,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:11:14,238 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:11:14,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:11:14,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:11:14,241 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:11:14,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:11:14,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:11:14,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:11:14,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:11:14,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:11:14,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:11:14,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:11:14,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:11:14,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:11:14,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:11:14,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:11:14,246 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:11:14,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:11:14,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:11:14,248 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 19:11:14,261 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:11:14,261 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:11:14,261 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:11:14,262 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 19:11:14,262 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 19:11:14,263 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:11:14,263 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 19:11:14,263 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 19:11:14,263 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 19:11:14,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:11:14,264 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:11:14,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 19:11:14,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:11:14,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:11:14,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:11:14,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:11:14,265 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:11:14,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:11:14,266 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:11:14,267 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_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 -> f884ccf2da0c4c4f4df1be4e75875f554c398438 [2019-12-07 19:11:14,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:11:14,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:11:14,383 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:11:14,384 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:11:14,384 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:11:14,385 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 19:11:14,421 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/bdcb75c7e/2d5a335d73d14d04982bdb0616948064/FLAG8eda0717f [2019-12-07 19:11:14,818 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:11:14,818 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 19:11:14,824 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/bdcb75c7e/2d5a335d73d14d04982bdb0616948064/FLAG8eda0717f [2019-12-07 19:11:15,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/bdcb75c7e/2d5a335d73d14d04982bdb0616948064 [2019-12-07 19:11:15,199 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:11:15,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:11:15,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:11:15,201 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:11:15,203 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:11:15,204 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bc4ab00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15, skipping insertion in model container [2019-12-07 19:11:15,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:11:15,228 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:11:15,395 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:11:15,399 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:11:15,434 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:11:15,449 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:11:15,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15 WrapperNode [2019-12-07 19:11:15,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:11:15,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:11:15,449 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:11:15,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:11:15,455 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,464 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,490 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:11:15,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:11:15,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:11:15,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:11:15,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,517 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,523 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,526 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... [2019-12-07 19:11:15,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:11:15,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:11:15,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:11:15,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:11:15,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 19:11:15,569 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:11:15,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 19:11:15,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:11:16,076 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:11:16,077 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 19:11:16,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:11:16 BoogieIcfgContainer [2019-12-07 19:11:16,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:11:16,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:11:16,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:11:16,081 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:11:16,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:11:15" (1/3) ... [2019-12-07 19:11:16,081 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b7b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:11:16, skipping insertion in model container [2019-12-07 19:11:16,081 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:15" (2/3) ... [2019-12-07 19:11:16,082 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@34b7b47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:11:16, skipping insertion in model container [2019-12-07 19:11:16,082 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:11:16" (3/3) ... [2019-12-07 19:11:16,083 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2019-12-07 19:11:16,089 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:11:16,093 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:11:16,101 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:11:16,118 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:11:16,118 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:11:16,118 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:11:16,118 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:11:16,119 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:11:16,119 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:11:16,119 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:11:16,119 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:11:16,130 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states. [2019-12-07 19:11:16,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-12-07 19:11:16,134 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:11:16,135 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:11:16,135 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:11:16,138 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:11:16,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1657939440, now seen corresponding path program 1 times [2019-12-07 19:11:16,144 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:11:16,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918887169] [2019-12-07 19:11:16,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:11:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:11:16,238 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 19:11:16,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918887169] [2019-12-07 19:11:16,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:11:16,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 19:11:16,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324744] [2019-12-07 19:11:16,243 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:11:16,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 19:11:16,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:11:16,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:11:16,253 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 2 states. [2019-12-07 19:11:16,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:11:16,271 INFO L93 Difference]: Finished difference Result 163 states and 279 transitions. [2019-12-07 19:11:16,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:11:16,272 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2019-12-07 19:11:16,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:11:16,279 INFO L225 Difference]: With dead ends: 163 [2019-12-07 19:11:16,279 INFO L226 Difference]: Without dead ends: 80 [2019-12-07 19:11:16,282 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 19:11:16,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2019-12-07 19:11:16,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2019-12-07 19:11:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2019-12-07 19:11:16,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 109 transitions. [2019-12-07 19:11:16,308 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 109 transitions. Word has length 9 [2019-12-07 19:11:16,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:11:16,308 INFO L462 AbstractCegarLoop]: Abstraction has 80 states and 109 transitions. [2019-12-07 19:11:16,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:11:16,308 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 109 transitions. [2019-12-07 19:11:16,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 19:11:16,308 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:11:16,308 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:11:16,309 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:11:16,309 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:11:16,309 INFO L82 PathProgramCache]: Analyzing trace with hash -57311943, now seen corresponding path program 1 times [2019-12-07 19:11:16,309 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 19:11:16,309 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170900529] [2019-12-07 19:11:16,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 19:11:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:11:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:11:16,409 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 19:11:16,409 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:11:16,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:11:16 BoogieIcfgContainer [2019-12-07 19:11:16,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:11:16,434 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:11:16,434 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:11:16,434 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:11:16,435 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:11:16" (3/4) ... [2019-12-07 19:11:16,437 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 19:11:16,437 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:11:16,439 INFO L168 Benchmark]: Toolchain (without parser) took 1238.59 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.9 MB in the beginning and 965.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:16,439 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:11:16,439 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:16,440 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.29 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 19:11:16,440 INFO L168 Benchmark]: Boogie Preprocessor took 39.56 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 19:11:16,441 INFO L168 Benchmark]: RCFGBuilder took 548.40 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: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:16,441 INFO L168 Benchmark]: TraceAbstraction took 355.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 965.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:16,441 INFO L168 Benchmark]: Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 965.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 19:11:16,443 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 248.74 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 102.2 MB). Free memory was 939.9 MB in the beginning and 1.1 GB in the end (delta: -150.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.29 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 39.56 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 548.40 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: 82.2 MB). Peak memory consumption was 82.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 355.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 965.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Witness Printer took 2.97 ms. Allocated memory is still 1.1 GB. Free memory is still 965.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 256]: 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 255. 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; [L250] double x = 1.0 / 0.0; [L251] 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] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != -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] [L256] __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: 0.2s, 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 19:11:17,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 19:11:17,801 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 19:11:17,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 19:11:17,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 19:11:17,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 19:11:17,811 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 19:11:17,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 19:11:17,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 19:11:17,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 19:11:17,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 19:11:17,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 19:11:17,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 19:11:17,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 19:11:17,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 19:11:17,818 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 19:11:17,819 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 19:11:17,819 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 19:11:17,820 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 19:11:17,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 19:11:17,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 19:11:17,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 19:11:17,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 19:11:17,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 19:11:17,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 19:11:17,827 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 19:11:17,827 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 19:11:17,828 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 19:11:17,828 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 19:11:17,829 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 19:11:17,829 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 19:11:17,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 19:11:17,830 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 19:11:17,831 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 19:11:17,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 19:11:17,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 19:11:17,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 19:11:17,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 19:11:17,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 19:11:17,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 19:11:17,833 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 19:11:17,834 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 19:11:17,843 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 19:11:17,844 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 19:11:17,844 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 19:11:17,844 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 19:11:17,845 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 19:11:17,845 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 19:11:17,845 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 19:11:17,845 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 19:11:17,845 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 19:11:17,845 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 19:11:17,846 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 19:11:17,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 19:11:17,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 19:11:17,848 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 19:11:17,848 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 19:11:17,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 19:11:17,849 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 19:11:17,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 19:11:17,849 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_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 -> f884ccf2da0c4c4f4df1be4e75875f554c398438 [2019-12-07 19:11:18,010 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 19:11:18,020 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 19:11:18,023 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 19:11:18,024 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 19:11:18,024 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 19:11:18,025 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 19:11:18,073 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/283c2bbac/1fde3db739c744638d91c02feaf19ad5/FLAGa5f7c901c [2019-12-07 19:11:18,478 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 19:11:18,479 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2019-12-07 19:11:18,484 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/283c2bbac/1fde3db739c744638d91c02feaf19ad5/FLAGa5f7c901c [2019-12-07 19:11:18,844 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/data/283c2bbac/1fde3db739c744638d91c02feaf19ad5 [2019-12-07 19:11:18,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 19:11:18,849 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 19:11:18,850 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 19:11:18,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 19:11:18,855 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 19:11:18,856 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:11:18" (1/1) ... [2019-12-07 19:11:18,859 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 07:11:18, skipping insertion in model container [2019-12-07 19:11:18,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 07:11:18" (1/1) ... [2019-12-07 19:11:18,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 19:11:18,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 19:11:19,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:11:19,043 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 19:11:19,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 19:11:19,131 INFO L208 MainTranslator]: Completed translation [2019-12-07 19:11:19,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19 WrapperNode [2019-12-07 19:11:19,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 19:11:19,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 19:11:19,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 19:11:19,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 19:11:19,138 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,176 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 19:11:19,176 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 19:11:19,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 19:11:19,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 19:11:19,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,189 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,206 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,212 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... [2019-12-07 19:11:19,220 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 19:11:19,221 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 19:11:19,221 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 19:11:19,221 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 19:11:19,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 19:11:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 19:11:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 19:11:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 19:11:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 19:11:19,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 19:11:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 19:11:19,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 19:11:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 19:11:19,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 19:11:56,906 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 19:11:56,906 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 19:11:56,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:11:56 BoogieIcfgContainer [2019-12-07 19:11:56,907 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 19:11:56,908 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 19:11:56,908 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 19:11:56,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 19:11:56,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 07:11:18" (1/3) ... [2019-12-07 19:11:56,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173e5d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:11:56, skipping insertion in model container [2019-12-07 19:11:56,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 07:11:19" (2/3) ... [2019-12-07 19:11:56,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173e5d77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 07:11:56, skipping insertion in model container [2019-12-07 19:11:56,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:11:56" (3/3) ... [2019-12-07 19:11:56,912 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2019-12-07 19:11:56,918 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 19:11:56,923 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 19:11:56,931 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 19:11:56,947 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 19:11:56,947 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 19:11:56,947 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 19:11:56,948 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 19:11:56,948 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 19:11:56,948 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 19:11:56,948 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 19:11:56,948 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 19:11:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-07 19:11:56,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-07 19:11:56,965 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:11:56,966 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:11:56,966 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:11:56,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:11:56,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-07 19:11:56,979 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:11:56,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [36977632] [2019-12-07 19:11:56,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 19:11:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 19:11:57,316 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 19:11:57,319 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 19:11:57,329 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 19:11:57,329 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 19:11:57,331 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 19:11:57,332 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [36977632] [2019-12-07 19:11:57,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 19:11:57,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 19:11:57,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110727361] [2019-12-07 19:11:57,336 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 19:11:57,336 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 19:11:57,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 19:11:57,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 19:11:57,351 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-07 19:11:57,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 19:11:57,375 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-07 19:11:57,376 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 19:11:57,376 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-07 19:11:57,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 19:11:57,385 INFO L225 Difference]: With dead ends: 224 [2019-12-07 19:11:57,385 INFO L226 Difference]: Without dead ends: 110 [2019-12-07 19:11:57,387 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 19:11:57,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-07 19:11:57,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-07 19:11:57,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-07 19:11:57,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-07 19:11:57,417 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-07 19:11:57,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 19:11:57,418 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-07 19:11:57,418 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 19:11:57,418 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-07 19:11:57,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-07 19:11:57,418 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 19:11:57,418 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 19:11:57,619 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 19:11:57,620 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 19:11:57,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 19:11:57,620 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-07 19:11:57,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 19:11:57,622 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [929468725] [2019-12-07 19:11:57,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/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 19:11:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:11:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 19:11:58,919 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 19:11:58,919 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 19:11:59,121 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 19:11:59,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 07:11:59 BoogieIcfgContainer [2019-12-07 19:11:59,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 19:11:59,182 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 19:11:59,182 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 19:11:59,182 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 19:11:59,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 07:11:56" (3/4) ... [2019-12-07 19:11:59,184 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 19:11:59,232 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_153326aa-6fa8-4f4e-976d-aa1ab7103f93/bin/utaipan/witness.graphml [2019-12-07 19:11:59,232 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 19:11:59,234 INFO L168 Benchmark]: Toolchain (without parser) took 40385.00 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.0 MB in the beginning and 929.6 MB in the end (delta: 21.5 MB). Peak memory consumption was 129.0 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:59,234 INFO L168 Benchmark]: CDTParser took 0.16 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 19:11:59,235 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:59,235 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.91 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:59,236 INFO L168 Benchmark]: Boogie Preprocessor took 44.47 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 19:11:59,236 INFO L168 Benchmark]: RCFGBuilder took 37686.32 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:59,236 INFO L168 Benchmark]: TraceAbstraction took 2274.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 936.3 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:59,237 INFO L168 Benchmark]: Witness Printer took 50.27 ms. Allocated memory is still 1.1 GB. Free memory was 936.3 MB in the beginning and 929.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 19:11:59,239 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 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 281.43 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 107.5 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.91 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.47 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 37686.32 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2274.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 936.3 MB in the end (delta: 64.4 MB). Peak memory consumption was 64.4 MB. Max. memory is 11.5 GB. * Witness Printer took 50.27 ms. Allocated memory is still 1.1 GB. Free memory was 936.3 MB in the beginning and 929.6 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 256]: 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] [L250] double x = 1.0 / 0.0; [L251] 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] [L253] double res = __ieee754_atan2(y, x); [L255] COND TRUE res != -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] [L256] __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: 2.1s, 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, 0.8s 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...