./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 .................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-096883e [2020-12-01 23:12:49,144 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:49,148 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:49,199 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:49,200 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:49,205 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:49,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:49,215 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:49,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:49,225 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:49,226 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:49,231 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:49,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:49,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:49,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:49,238 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:49,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:49,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:49,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:49,254 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:49,256 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:49,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:49,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:49,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:49,270 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:49,270 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:49,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:49,273 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:49,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:49,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:49,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:49,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:49,278 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:49,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:49,280 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:49,280 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:49,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:49,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:49,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:49,283 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:49,284 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:49,285 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:12:49,348 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:49,349 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:49,351 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:49,352 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:49,352 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:49,352 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:49,353 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:49,353 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:12:49,353 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:49,353 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:49,354 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:49,355 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:49,355 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:49,355 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:49,355 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:49,355 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:49,356 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:49,356 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:49,356 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:49,356 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:49,357 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:49,357 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:49,357 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:49,358 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:49,358 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:49,358 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:12:49,358 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:12:49,358 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:49,359 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:49,359 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 [2020-12-01 23:12:49,750 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:49,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:49,791 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:49,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:49,793 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:49,794 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-12-01 23:12:49,881 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac11ce83/266f76918b8f449385eed38628ec4aa3/FLAG0eaca0fdf [2020-12-01 23:12:50,697 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:50,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-12-01 23:12:50,713 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac11ce83/266f76918b8f449385eed38628ec4aa3/FLAG0eaca0fdf [2020-12-01 23:12:50,951 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dac11ce83/266f76918b8f449385eed38628ec4aa3 [2020-12-01 23:12:50,954 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:50,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:50,962 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:50,963 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:50,967 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:50,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:50" (1/1) ... [2020-12-01 23:12:50,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4165f72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:50, skipping insertion in model container [2020-12-01 23:12:50,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:50" (1/1) ... [2020-12-01 23:12:50,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:51,039 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:51,312 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2020-12-01 23:12:51,316 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:51,327 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:51,397 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2020-12-01 23:12:51,398 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:51,438 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:51,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51 WrapperNode [2020-12-01 23:12:51,439 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:51,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:51,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:51,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:51,454 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,496 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:51,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:51,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:51,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:51,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,600 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,625 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... [2020-12-01 23:12:51,655 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:51,656 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:51,656 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:51,656 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:51,657 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:12:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:12:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:51,774 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:12:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:12:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:12:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:51,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:12:51,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:12:51,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:12:52,748 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:12:52,753 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:12:52,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:52 BoogieIcfgContainer [2020-12-01 23:12:52,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:12:52,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:12:52,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:12:52,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:12:52,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:50" (1/3) ... [2020-12-01 23:12:52,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3897fce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:52, skipping insertion in model container [2020-12-01 23:12:52,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:51" (2/3) ... [2020-12-01 23:12:52,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3897fce8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:12:52, skipping insertion in model container [2020-12-01 23:12:52,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:52" (3/3) ... [2020-12-01 23:12:52,764 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2020-12-01 23:12:52,780 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:12:52,784 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:12:52,797 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:12:52,825 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:12:52,826 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:12:52,826 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:12:52,826 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:12:52,826 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:12:52,826 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:12:52,826 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:12:52,826 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:12:52,844 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:12:52,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:12:52,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:52,851 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:52,851 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:52,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:52,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:12:52,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:52,867 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368007890] [2020-12-01 23:12:52,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:12:53,144 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 23:12:53,145 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368007890] [2020-12-01 23:12:53,146 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:12:53,146 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:12:53,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185953839] [2020-12-01 23:12:53,153 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:12:53,153 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:12:53,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:12:53,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:12:53,178 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:12:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:12:53,236 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:12:53,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:12:53,238 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:12:53,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:12:53,267 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:12:53,267 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:12:53,272 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 23:12:53,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:12:53,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:12:53,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:12:53,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:12:53,357 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:12:53,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:12:53,357 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:12:53,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:12:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:12:53,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:12:53,360 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:12:53,360 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:12:53,361 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:12:53,361 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:12:53,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:12:53,363 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:12:53,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:12:53,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267505313] [2020-12-01 23:12:53,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:12:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:53,524 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:12:53,633 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:12:53,684 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:12:53,685 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:12:53,686 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:12:53,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:12:53 BoogieIcfgContainer [2020-12-01 23:12:53,783 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:12:53,785 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:12:53,785 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:12:53,785 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:12:53,786 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:12:52" (3/4) ... [2020-12-01 23:12:53,790 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:12:53,791 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:12:53,796 INFO L168 Benchmark]: Toolchain (without parser) took 2834.96 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 30.1 MB in the beginning and 47.3 MB in the end (delta: -17.2 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:53,797 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:53,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.89 ms. Allocated memory is still 46.1 MB. Free memory was 30.0 MB in the beginning and 26.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:53,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 135.32 ms. Allocated memory is still 46.1 MB. Free memory was 26.7 MB in the beginning and 23.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:53,801 INFO L168 Benchmark]: Boogie Preprocessor took 76.32 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 28.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:53,803 INFO L168 Benchmark]: RCFGBuilder took 1099.64 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.6 MB in the beginning and 36.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:53,805 INFO L168 Benchmark]: TraceAbstraction took 1025.79 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 47.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:12:53,807 INFO L168 Benchmark]: Witness Printer took 6.42 ms. Allocated memory is still 69.2 MB. Free memory was 47.6 MB in the beginning and 47.3 MB in the end (delta: 268.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:12:53,824 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 37.7 MB. Free memory was 20.5 MB in the beginning and 20.5 MB in the end (delta: 28.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 478.89 ms. Allocated memory is still 46.1 MB. Free memory was 30.0 MB in the beginning and 26.7 MB in the end (delta: 3.3 MB). Peak memory consumption was 13.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 135.32 ms. Allocated memory is still 46.1 MB. Free memory was 26.7 MB in the beginning and 23.1 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 76.32 ms. Allocated memory is still 46.1 MB. Free memory was 23.1 MB in the beginning and 28.6 MB in the end (delta: -5.5 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1099.64 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 28.6 MB in the beginning and 36.9 MB in the end (delta: -8.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1025.79 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 36.6 MB in the beginning and 47.6 MB in the end (delta: -11.0 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * Witness Printer took 6.42 ms. Allocated memory is still 69.2 MB. Free memory was 47.6 MB in the beginning and 47.3 MB in the end (delta: 268.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is 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 259. 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] [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 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] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 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] [L260] 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, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:12:56,381 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:12:56,384 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:12:56,424 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:12:56,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:12:56,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:12:56,429 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:12:56,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:12:56,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:12:56,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:12:56,437 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:12:56,438 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:12:56,439 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:12:56,440 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:12:56,441 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:12:56,443 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:12:56,444 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:12:56,445 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:12:56,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:12:56,450 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:12:56,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:12:56,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:12:56,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:12:56,456 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:12:56,459 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:12:56,460 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:12:56,460 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:12:56,462 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:12:56,463 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:12:56,464 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:12:56,464 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:12:56,466 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:12:56,467 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:12:56,468 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:12:56,469 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:12:56,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:12:56,470 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:12:56,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:12:56,471 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:12:56,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:12:56,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:12:56,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:12:56,509 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:12:56,510 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:12:56,511 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:12:56,512 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:12:56,512 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:12:56,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:12:56,513 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:12:56,513 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:12:56,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:12:56,513 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:12:56,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:12:56,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:12:56,514 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:12:56,514 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:12:56,515 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:12:56,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:12:56,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:12:56,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:12:56,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:12:56,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:12:56,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:12:56,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:12:56,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:12:56,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:12:56,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:12:56,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:12:56,518 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:12:56,518 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:12:56,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:12:56,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:12:56,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:12:56,519 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 609e396869f7f73aa0f9c4caafd3eba64a4be4e0 [2020-12-01 23:12:56,934 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:12:56,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:12:56,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:12:56,973 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:12:56,974 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:12:56,975 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-12-01 23:12:57,048 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25db77234/232166f1bab54375966560c2444deadb/FLAG1f5475eb4 [2020-12-01 23:12:57,672 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:12:57,673 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c [2020-12-01 23:12:57,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25db77234/232166f1bab54375966560c2444deadb/FLAG1f5475eb4 [2020-12-01 23:12:58,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/25db77234/232166f1bab54375966560c2444deadb [2020-12-01 23:12:58,018 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:12:58,021 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:12:58,026 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:58,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:12:58,031 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:12:58,032 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,036 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c18b83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58, skipping insertion in model container [2020-12-01 23:12:58,037 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:12:58,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:12:58,335 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2020-12-01 23:12:58,339 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:58,365 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:12:58,479 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685a.c[6215,6228] [2020-12-01 23:12:58,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:12:58,544 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:12:58,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58 WrapperNode [2020-12-01 23:12:58,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:12:58,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:58,551 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:12:58,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:12:58,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:12:58,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:12:58,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:12:58,661 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:12:58,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,682 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,683 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... [2020-12-01 23:12:58,788 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:12:58,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:12:58,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:12:58,790 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:12:58,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:12:58,912 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:12:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:12:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:12:58,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:12:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:12:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:12:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:12:58,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:12:58,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:12:58,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:13:52,129 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:13:52,129 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:13:52,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:52 BoogieIcfgContainer [2020-12-01 23:13:52,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:13:52,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:13:52,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:13:52,138 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:13:52,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:12:58" (1/3) ... [2020-12-01 23:13:52,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f248a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:52, skipping insertion in model container [2020-12-01 23:13:52,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:12:58" (2/3) ... [2020-12-01 23:13:52,140 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f248a37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:52, skipping insertion in model container [2020-12-01 23:13:52,140 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:52" (3/3) ... [2020-12-01 23:13:52,142 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685a.c [2020-12-01 23:13:52,158 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:13:52,163 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:13:52,176 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:13:52,206 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:13:52,206 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:13:52,206 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:13:52,207 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:13:52,207 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:13:52,207 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:13:52,207 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:13:52,207 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:13:52,225 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:13:52,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:13:52,232 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:52,233 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:52,233 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:52,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:52,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:13:52,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:52,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [487416581] [2020-12-01 23:13:52,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:13:52,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:52,830 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:13:52,835 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:13:52,864 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 23:13:52,864 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:13:52,888 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 23:13:52,889 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [487416581] [2020-12-01 23:13:52,890 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:52,890 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:13:52,891 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295079236] [2020-12-01 23:13:52,896 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:13:52,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:13:52,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:13:52,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:52,920 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:13:52,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:52,954 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:13:52,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:13:52,955 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:13:52,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:52,967 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:13:52,967 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:13:52,971 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:52,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:13:53,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:13:53,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:13:53,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:13:53,016 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:13:53,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:53,016 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:13:53,016 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:13:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:13:53,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:13:53,017 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:53,017 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:53,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:13:53,231 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:53,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:53,233 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:13:53,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:13:53,234 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1810813246] [2020-12-01 23:13:53,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 23:13:54,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:54,161 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:55,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:55,003 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:55,138 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:13:55,138 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:13:55,340 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:13:55,400 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:55 BoogieIcfgContainer [2020-12-01 23:13:55,400 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:13:55,401 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:13:55,401 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:13:55,401 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:13:55,402 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:52" (3/4) ... [2020-12-01 23:13:55,404 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:13:55,478 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:13:55,478 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:13:55,481 INFO L168 Benchmark]: Toolchain (without parser) took 57459.14 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.3 MB in the beginning and 19.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 17.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,482 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:55,483 INFO L168 Benchmark]: CACSL2BoogieTranslator took 522.01 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.1 MB in the beginning and 37.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,484 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.68 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 34.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,485 INFO L168 Benchmark]: Boogie Preprocessor took 128.77 ms. Allocated memory is still 56.6 MB. Free memory was 33.8 MB in the beginning and 30.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,485 INFO L168 Benchmark]: RCFGBuilder took 53342.25 ms. Allocated memory is still 56.6 MB. Free memory was 30.0 MB in the beginning and 36.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,486 INFO L168 Benchmark]: TraceAbstraction took 3266.53 ms. Allocated memory is still 56.6 MB. Free memory was 36.0 MB in the beginning and 23.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,487 INFO L168 Benchmark]: Witness Printer took 77.50 ms. Allocated memory is still 56.6 MB. Free memory was 23.3 MB in the beginning and 19.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:55,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 46.1 MB. Free memory was 29.2 MB in the beginning and 29.1 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 522.01 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.1 MB in the beginning and 37.6 MB in the end (delta: -14.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.68 ms. Allocated memory is still 56.6 MB. Free memory was 37.4 MB in the beginning and 34.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 128.77 ms. Allocated memory is still 56.6 MB. Free memory was 33.8 MB in the beginning and 30.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 53342.25 ms. Allocated memory is still 56.6 MB. Free memory was 30.0 MB in the beginning and 36.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 10.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3266.53 ms. Allocated memory is still 56.6 MB. Free memory was 36.0 MB in the beginning and 23.6 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.0 MB. Max. memory is 16.1 GB. * Witness Printer took 77.50 ms. Allocated memory is still 56.6 MB. Free memory was 23.3 MB in the beginning and 19.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 260]: a call to reach_error is reachable a call to reach_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={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = -1.0 / 0.0; [L254] double y = 1.0 / 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={-2147483646:0}, atanlo_atan={3:0}, 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={-2147483646:0}, atanlo_atan={3:0}, 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={-2147483646:0}, atanlo_atan={3:0}, 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={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != 3 * pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, 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] [L260] reach_error() VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...