./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 ....................................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-69874e2 [2020-12-01 16:02:13,128 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:02:13,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:02:13,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:02:13,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:02:13,165 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:02:13,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:02:13,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:02:13,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:02:13,174 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:02:13,176 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:02:13,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:02:13,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:02:13,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:02:13,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:02:13,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:02:13,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:02:13,186 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:02:13,188 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:02:13,191 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:02:13,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:02:13,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:02:13,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:02:13,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:02:13,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:02:13,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:02:13,204 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:02:13,205 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:02:13,206 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:02:13,207 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:02:13,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:02:13,209 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:02:13,210 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:02:13,211 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:02:13,213 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:02:13,213 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:02:13,215 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:02:13,215 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:02:13,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:02:13,217 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:02:13,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:02:13,220 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 16:02:13,262 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:02:13,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:02:13,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:02:13,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:02:13,266 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:02:13,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:02:13,267 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:02:13,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 16:02:13,267 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:02:13,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:02:13,269 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:02:13,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:02:13,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:02:13,270 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:02:13,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:02:13,270 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:02:13,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:02:13,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:02:13,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:02:13,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:02:13,272 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:02:13,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:02:13,272 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:02:13,272 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:02:13,273 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:02:13,273 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 16:02:13,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 16:02:13,274 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:02:13,274 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:02:13,274 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-12-01 16:02:13,564 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:02:13,593 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:02:13,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:02:13,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:02:13,601 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:02:13,602 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 16:02:13,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/ba0093da9/4d7aff92f6194f3ebbe17c49850bd9b4/FLAG819da0d1b [2020-12-01 16:02:14,284 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:02:14,294 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 16:02:14,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/ba0093da9/4d7aff92f6194f3ebbe17c49850bd9b4/FLAG819da0d1b [2020-12-01 16:02:14,599 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/ba0093da9/4d7aff92f6194f3ebbe17c49850bd9b4 [2020-12-01 16:02:14,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:02:14,606 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:02:14,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:02:14,613 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:02:14,618 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:02:14,619 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:02:14" (1/1) ... [2020-12-01 16:02:14,622 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52547ab1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:14, skipping insertion in model container [2020-12-01 16:02:14,622 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:02:14" (1/1) ... [2020-12-01 16:02:14,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:02:14,691 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:02:14,949 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:02:14,960 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:02:15,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:02:15,065 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:02:15,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15 WrapperNode [2020-12-01 16:02:15,066 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:02:15,068 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:02:15,068 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:02:15,068 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:02:15,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:02:15,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:02:15,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:02:15,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:02:15,181 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,258 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,269 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,290 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... [2020-12-01 16:02:15,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:02:15,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:02:15,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:02:15,299 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:02:15,300 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/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 [2020-12-01 16:02:15,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 16:02:15,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:02:15,405 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 16:02:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 16:02:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 16:02:15,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:02:15,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:02:15,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 16:02:15,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 16:02:15,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:02:16,657 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:02:16,657 INFO L298 CfgBuilder]: Removed 58 assume(true) statements. [2020-12-01 16:02:16,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:02:16 BoogieIcfgContainer [2020-12-01 16:02:16,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:02:16,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:02:16,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:02:16,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:02:16,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:02:14" (1/3) ... [2020-12-01 16:02:16,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5720a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:02:16, skipping insertion in model container [2020-12-01 16:02:16,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:15" (2/3) ... [2020-12-01 16:02:16,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e5720a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:02:16, skipping insertion in model container [2020-12-01 16:02:16,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:02:16" (3/3) ... [2020-12-01 16:02:16,673 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-12-01 16:02:16,687 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:02:16,691 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 16:02:16,701 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 16:02:16,731 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:02:16,731 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:02:16,731 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:02:16,732 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:02:16,732 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:02:16,732 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:02:16,732 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:02:16,733 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:02:16,752 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-12-01 16:02:16,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:02:16,759 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:02:16,760 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:02:16,761 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:02:16,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:02:16,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-12-01 16:02:16,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:02:16,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382289543] [2020-12-01 16:02:16,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:02:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:02:17,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:02:17,055 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382289543] [2020-12-01 16:02:17,056 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:02:17,056 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 16:02:17,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661036503] [2020-12-01 16:02:17,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 16:02:17,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:02:17,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 16:02:17,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 16:02:17,079 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-12-01 16:02:17,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:02:17,116 INFO L93 Difference]: Finished difference Result 257 states and 429 transitions. [2020-12-01 16:02:17,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 16:02:17,118 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 16:02:17,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:02:17,131 INFO L225 Difference]: With dead ends: 257 [2020-12-01 16:02:17,132 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 16:02:17,136 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 16:02:17,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 16:02:17,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 16:02:17,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 16:02:17,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-12-01 16:02:17,201 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-12-01 16:02:17,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:02:17,202 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-12-01 16:02:17,202 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 16:02:17,202 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-12-01 16:02:17,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:02:17,204 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:02:17,204 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:02:17,204 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 16:02:17,204 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:02:17,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:02:17,206 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-12-01 16:02:17,206 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:02:17,206 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101510927] [2020-12-01 16:02:17,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:02:17,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:02:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:02:17,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101510927] [2020-12-01 16:02:17,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:02:17,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-01 16:02:17,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130220368] [2020-12-01 16:02:17,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:02:17,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 16:02:17,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:02:17,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:02:17,375 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-12-01 16:02:17,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:02:17,413 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-12-01 16:02:17,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:02:17,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-01 16:02:17,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:02:17,416 INFO L225 Difference]: With dead ends: 239 [2020-12-01 16:02:17,416 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 16:02:17,418 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:02:17,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 16:02:17,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 16:02:17,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 16:02:17,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-12-01 16:02:17,444 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-12-01 16:02:17,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:02:17,444 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-12-01 16:02:17,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:02:17,444 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-12-01 16:02:17,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:02:17,445 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:02:17,446 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:02:17,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 16:02:17,446 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:02:17,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:02:17,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-12-01 16:02:17,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 16:02:17,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535024815] [2020-12-01 16:02:17,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 16:02:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:02:17,773 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:02:17,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:02:17,927 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:02:17,993 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 16:02:17,997 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 16:02:17,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-01 16:02:18,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:02:18 BoogieIcfgContainer [2020-12-01 16:02:18,111 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:02:18,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:02:18,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:02:18,114 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:02:18,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:02:16" (3/4) ... [2020-12-01 16:02:18,119 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 16:02:18,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:02:18,123 INFO L168 Benchmark]: Toolchain (without parser) took 3514.27 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 81.2 MB in the beginning and 91.5 MB in the end (delta: -10.3 MB). Peak memory consumption was 28.9 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,125 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 47.5 MB in the beginning and 47.4 MB in the end (delta: 70.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,135 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.09 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 84.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,136 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.82 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 80.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,136 INFO L168 Benchmark]: Boogie Preprocessor took 126.81 ms. Allocated memory is still 113.2 MB. Free memory was 80.2 MB in the beginning and 76.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,137 INFO L168 Benchmark]: RCFGBuilder took 1363.36 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 82.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,138 INFO L168 Benchmark]: TraceAbstraction took 1447.93 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 82.0 MB in the beginning and 92.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,138 INFO L168 Benchmark]: Witness Printer took 7.13 ms. Allocated memory is still 153.1 MB. Free memory was 92.4 MB in the beginning and 91.5 MB in the end (delta: 900.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-01 16:02:18,143 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 81.8 MB. Free memory was 47.5 MB in the beginning and 47.4 MB in the end (delta: 70.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.09 ms. Allocated memory is still 113.2 MB. Free memory was 81.0 MB in the beginning and 84.1 MB in the end (delta: -3.1 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 101.82 ms. Allocated memory is still 113.2 MB. Free memory was 84.1 MB in the beginning and 80.2 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 126.81 ms. Allocated memory is still 113.2 MB. Free memory was 80.2 MB in the beginning and 76.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1363.36 ms. Allocated memory is still 113.2 MB. Free memory was 76.3 MB in the beginning and 82.6 MB in the end (delta: -6.3 MB). Peak memory consumption was 32.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1447.93 ms. Allocated memory was 113.2 MB in the beginning and 153.1 MB in the end (delta: 39.8 MB). Free memory was 82.0 MB in the beginning and 92.4 MB in the end (delta: -10.4 MB). Peak memory consumption was 29.2 MB. Max. memory is 16.1 GB. * Witness Printer took 7.13 ms. Allocated memory is still 153.1 MB. Free memory was 92.4 MB in the beginning and 91.5 MB in the end (delta: 900.2 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 299. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] 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, }; [L62-L64] 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; [L141-L142] 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={11:0}, atanlo_atan={10:0}, 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] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L250] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L294] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0683b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, 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, 130 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 567 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-69874e2 [2020-12-01 16:02:20,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 16:02:20,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 16:02:20,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 16:02:20,984 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 16:02:20,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 16:02:20,988 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 16:02:20,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 16:02:20,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 16:02:20,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 16:02:20,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 16:02:21,007 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 16:02:21,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 16:02:21,013 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 16:02:21,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 16:02:21,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 16:02:21,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 16:02:21,025 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 16:02:21,029 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 16:02:21,033 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 16:02:21,041 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 16:02:21,044 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 16:02:21,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 16:02:21,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 16:02:21,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 16:02:21,061 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 16:02:21,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 16:02:21,063 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 16:02:21,065 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 16:02:21,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 16:02:21,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 16:02:21,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 16:02:21,069 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 16:02:21,070 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 16:02:21,072 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 16:02:21,072 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 16:02:21,073 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 16:02:21,074 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 16:02:21,074 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 16:02:21,075 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 16:02:21,076 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 16:02:21,077 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 16:02:21,104 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 16:02:21,104 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 16:02:21,106 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 16:02:21,106 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 16:02:21,106 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 16:02:21,107 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 16:02:21,107 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 16:02:21,107 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 16:02:21,107 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 16:02:21,108 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 16:02:21,108 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 16:02:21,108 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 16:02:21,108 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 16:02:21,108 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 16:02:21,109 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 16:02:21,109 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 16:02:21,109 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 16:02:21,109 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 16:02:21,110 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 16:02:21,110 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 16:02:21,110 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 16:02:21,110 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 16:02:21,111 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 16:02:21,111 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 16:02:21,111 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 16:02:21,111 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 16:02:21,112 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 16:02:21,112 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 16:02:21,112 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 16:02:21,112 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 16:02:21,113 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 16:02:21,113 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d2ae35a8b99c18a2566fd565513a0b1a3936fd4 [2020-12-01 16:02:21,571 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 16:02:21,611 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 16:02:21,617 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 16:02:21,620 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 16:02:21,620 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 16:02:21,622 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 16:02:21,718 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/e47fc8d9e/d86d86cc84b642058b74755e83abb268/FLAGfde70ab8e [2020-12-01 16:02:22,360 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 16:02:22,360 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/sv-benchmarks/c/float-newlib/double_req_bl_0683b.c [2020-12-01 16:02:22,371 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/e47fc8d9e/d86d86cc84b642058b74755e83abb268/FLAGfde70ab8e [2020-12-01 16:02:22,661 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/data/e47fc8d9e/d86d86cc84b642058b74755e83abb268 [2020-12-01 16:02:22,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 16:02:22,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 16:02:22,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 16:02:22,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 16:02:22,672 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 16:02:22,674 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:02:22" (1/1) ... [2020-12-01 16:02:22,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cceca86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:22, skipping insertion in model container [2020-12-01 16:02:22,676 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:02:22" (1/1) ... [2020-12-01 16:02:22,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 16:02:22,737 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 16:02:22,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:02:23,009 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 16:02:23,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 16:02:23,219 INFO L208 MainTranslator]: Completed translation [2020-12-01 16:02:23,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23 WrapperNode [2020-12-01 16:02:23,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 16:02:23,222 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 16:02:23,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 16:02:23,225 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 16:02:23,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 16:02:23,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 16:02:23,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 16:02:23,355 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 16:02:23,364 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,388 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,402 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,472 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,482 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... [2020-12-01 16:02:23,496 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 16:02:23,504 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 16:02:23,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 16:02:23,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 16:02:23,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/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 [2020-12-01 16:02:23,587 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 16:02:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 16:02:23,588 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 16:02:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 16:02:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 16:02:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 16:02:23,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 16:02:23,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 16:02:23,590 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 16:02:23,591 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 16:03:15,971 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 16:03:15,972 INFO L298 CfgBuilder]: Removed 58 assume(true) statements. [2020-12-01 16:03:15,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:03:15 BoogieIcfgContainer [2020-12-01 16:03:15,974 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 16:03:15,976 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 16:03:15,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 16:03:15,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 16:03:15,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:02:22" (1/3) ... [2020-12-01 16:03:15,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fbe71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:03:15, skipping insertion in model container [2020-12-01 16:03:15,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:23" (2/3) ... [2020-12-01 16:03:15,983 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@86fbe71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:03:15, skipping insertion in model container [2020-12-01 16:03:15,983 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:03:15" (3/3) ... [2020-12-01 16:03:15,985 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0683b.c [2020-12-01 16:03:16,003 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 16:03:16,008 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 16:03:16,022 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 16:03:16,054 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 16:03:16,054 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 16:03:16,054 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 16:03:16,054 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 16:03:16,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 16:03:16,055 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 16:03:16,055 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 16:03:16,055 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 16:03:16,075 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states. [2020-12-01 16:03:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-01 16:03:16,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:03:16,088 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:03:16,088 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:03:16,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:16,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1964703289, now seen corresponding path program 1 times [2020-12-01 16:03:16,114 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:03:16,115 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [530923425] [2020-12-01 16:03:16,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/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 [2020-12-01 16:03:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:03:16,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 16:03:16,730 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:03:16,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:03:16,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:03:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:03:16,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [530923425] [2020-12-01 16:03:16,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:03:16,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 16:03:16,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104540368] [2020-12-01 16:03:16,812 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 16:03:16,812 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:03:16,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 16:03:16,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 16:03:16,831 INFO L87 Difference]: Start difference. First operand 130 states. Second operand 2 states. [2020-12-01 16:03:16,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:03:16,869 INFO L93 Difference]: Finished difference Result 257 states and 429 transitions. [2020-12-01 16:03:16,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 16:03:16,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-01 16:03:16,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:03:16,884 INFO L225 Difference]: With dead ends: 257 [2020-12-01 16:03:16,884 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 16:03:16,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 16:03:16,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 16:03:16,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 16:03:16,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 16:03:16,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 175 transitions. [2020-12-01 16:03:16,948 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 175 transitions. Word has length 16 [2020-12-01 16:03:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:03:16,948 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 175 transitions. [2020-12-01 16:03:16,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 16:03:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 175 transitions. [2020-12-01 16:03:16,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-01 16:03:16,949 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:03:16,950 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:03:17,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 16:03:17,154 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:03:17,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:17,156 INFO L82 PathProgramCache]: Analyzing trace with hash 553662369, now seen corresponding path program 1 times [2020-12-01 16:03:17,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:03:17,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [870222432] [2020-12-01 16:03:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/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 [2020-12-01 16:03:17,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 16:03:17,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-01 16:03:17,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 16:03:17,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:03:17,887 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 16:03:17,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 16:03:17,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [870222432] [2020-12-01 16:03:17,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 16:03:17,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-12-01 16:03:17,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705774936] [2020-12-01 16:03:17,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-01 16:03:17,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 16:03:17,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-01 16:03:17,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:03:17,920 INFO L87 Difference]: Start difference. First operand 125 states and 175 transitions. Second operand 3 states. [2020-12-01 16:03:18,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 16:03:18,294 INFO L93 Difference]: Finished difference Result 239 states and 338 transitions. [2020-12-01 16:03:18,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-01 16:03:18,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-01 16:03:18,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 16:03:18,298 INFO L225 Difference]: With dead ends: 239 [2020-12-01 16:03:18,299 INFO L226 Difference]: Without dead ends: 125 [2020-12-01 16:03:18,300 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-01 16:03:18,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-12-01 16:03:18,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-12-01 16:03:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-12-01 16:03:18,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 174 transitions. [2020-12-01 16:03:18,315 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 174 transitions. Word has length 19 [2020-12-01 16:03:18,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 16:03:18,316 INFO L481 AbstractCegarLoop]: Abstraction has 125 states and 174 transitions. [2020-12-01 16:03:18,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-01 16:03:18,316 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 174 transitions. [2020-12-01 16:03:18,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-12-01 16:03:18,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 16:03:18,318 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 16:03:18,534 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 16:03:18,534 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 16:03:18,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 16:03:18,535 INFO L82 PathProgramCache]: Analyzing trace with hash -1139099466, now seen corresponding path program 1 times [2020-12-01 16:03:18,536 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 16:03:18,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2055358450] [2020-12-01 16:03:18,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-12-01 16:03:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:19,708 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 16:03:20,709 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 16:03:20,898 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 16:03:20,899 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 16:03:21,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-12-01 16:03:21,235 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:03:21 BoogieIcfgContainer [2020-12-01 16:03:21,236 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 16:03:21,236 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 16:03:21,237 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 16:03:21,237 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 16:03:21,238 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:03:15" (3/4) ... [2020-12-01 16:03:21,240 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 16:03:21,391 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_34ebab16-a352-429a-83fe-0d784cf04496/bin/uautomizer/witness.graphml [2020-12-01 16:03:21,392 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 16:03:21,394 INFO L168 Benchmark]: Toolchain (without parser) took 58727.58 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 30.2 MB in the beginning and 44.3 MB in the end (delta: -14.1 MB). Peak memory consumption was 23.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,395 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 16:03:21,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 553.93 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 30.0 MB in the beginning and 45.1 MB in the end (delta: -15.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,397 INFO L168 Benchmark]: Boogie Procedure Inliner took 130.98 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 40.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,399 INFO L168 Benchmark]: Boogie Preprocessor took 148.62 ms. Allocated memory is still 67.1 MB. Free memory was 40.9 MB in the beginning and 36.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,400 INFO L168 Benchmark]: RCFGBuilder took 52470.77 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 35.9 MB in the end (delta: 878.3 kB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,400 INFO L168 Benchmark]: TraceAbstraction took 5259.54 ms. Allocated memory is still 67.1 MB. Free memory was 35.3 MB in the beginning and 29.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,401 INFO L168 Benchmark]: Witness Printer took 155.36 ms. Allocated memory is still 67.1 MB. Free memory was 28.7 MB in the beginning and 44.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-12-01 16:03:21,403 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 52.4 MB. Free memory is still 34.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 553.93 ms. Allocated memory was 52.4 MB in the beginning and 67.1 MB in the end (delta: 14.7 MB). Free memory was 30.0 MB in the beginning and 45.1 MB in the end (delta: -15.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 130.98 ms. Allocated memory is still 67.1 MB. Free memory was 44.9 MB in the beginning and 40.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 148.62 ms. Allocated memory is still 67.1 MB. Free memory was 40.9 MB in the beginning and 36.9 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52470.77 ms. Allocated memory is still 67.1 MB. Free memory was 36.7 MB in the beginning and 35.9 MB in the end (delta: 878.3 kB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 5259.54 ms. Allocated memory is still 67.1 MB. Free memory was 35.3 MB in the beginning and 29.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * Witness Printer took 155.36 ms. Allocated memory is still 67.1 MB. Free memory was 28.7 MB in the beginning and 44.3 MB in the end (delta: -15.6 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] 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, }; [L62-L64] 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; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L291] double x = 1.0 / 0.0; [L292] double y = __VERIFIER_nondet_double(); [L248] __int32_t hx, lx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] ieee_double_shape_type ew_u; [L251] ew_u.value = (x) [L252] EXPR ew_u.parts.msw [L252] (hx) = ew_u.parts.msw [L253] EXPR ew_u.parts.lsw [L253] (lx) = ew_u.parts.lsw [L255] hx &= 0x7fffffff [L256] hx |= (__uint32_t)(lx | (-lx)) >> 31 [L257] hx = 0x7ff00000 - hx [L258] return 1 - (int)((__uint32_t)(hx | (-hx)) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L294] EXPR isinf_double(x) && isfinite_double(y) [L262] __int32_t hx; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L264] ieee_double_shape_type gh_u; [L265] gh_u.value = (x) [L266] EXPR gh_u.parts.msw [L266] (hx) = gh_u.parts.msw [L268] return (int)((__uint32_t)((hx & 0x7fffffff) - 0x7ff00000) >> 31); VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L294] EXPR isinf_double(x) && isfinite_double(y) VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L294] COND TRUE isinf_double(x) && isfinite_double(y) && y > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L296] double res = __ieee754_atan2(y, x); [L299] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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] [L299] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0683b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={2:0}, atanlo_atan={10:0}, 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, 130 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.0s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 355 SDtfs, 0 SDslu, 169 SDs, 0 SdLazy, 5 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=130occurred 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, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1134 SizeOfPredicates, 0 NumberOfNonLiveVariables, 291 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...