./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3077c551d2b458403e0209f5991b4e91a7b5094b .......................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3077c551d2b458403e0209f5991b4e91a7b5094b ......................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:15:44,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:15:44,618 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:15:44,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:15:44,626 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:15:44,627 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:15:44,628 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:15:44,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:15:44,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:15:44,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:15:44,632 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:15:44,633 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:15:44,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:15:44,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:15:44,634 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:15:44,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:15:44,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:15:44,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:15:44,638 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:15:44,639 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:15:44,640 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:15:44,641 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:15:44,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:15:44,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:15:44,644 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:15:44,644 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:15:44,644 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:15:44,645 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:15:44,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:15:44,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:15:44,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:15:44,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:15:44,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:15:44,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:15:44,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:15:44,648 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:15:44,648 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:15:44,648 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:15:44,648 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:15:44,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:15:44,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:15:44,650 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:15:44,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:15:44,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:15:44,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:15:44,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:15:44,661 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:15:44,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:15:44,661 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:15:44,661 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:15:44,662 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:15:44,663 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:15:44,663 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:15:44,663 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:15:44,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:15:44,663 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:15:44,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:15:44,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:15:44,664 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:15:44,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_3ccd70d7-9134-47a5-86e8-6eb512da0936/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(__VERIFIER_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 -> 3077c551d2b458403e0209f5991b4e91a7b5094b [2019-12-07 17:15:44,764 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:15:44,772 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:15:44,774 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:15:44,775 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:15:44,775 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:15:44,775 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-12-07 17:15:44,811 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/e98dda2c1/4318bdd75da8451b970ff181c4f28ff6/FLAG320422820 [2019-12-07 17:15:45,218 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:15:45,219 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-12-07 17:15:45,224 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/e98dda2c1/4318bdd75da8451b970ff181c4f28ff6/FLAG320422820 [2019-12-07 17:15:45,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/e98dda2c1/4318bdd75da8451b970ff181c4f28ff6 [2019-12-07 17:15:45,234 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:15:45,235 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:15:45,236 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:15:45,236 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:15:45,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:15:45,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34a5c064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45, skipping insertion in model container [2019-12-07 17:15:45,241 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,245 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:15:45,263 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:15:45,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:15:45,447 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:15:45,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:15:45,500 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:15:45,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45 WrapperNode [2019-12-07 17:15:45,501 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:15:45,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:15:45,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:15:45,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:15:45,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:15:45,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:15:45,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:15:45,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:15:45,558 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,588 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... [2019-12-07 17:15:45,592 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:15:45,592 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:15:45,593 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:15:45,593 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:15:45,593 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/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 [2019-12-07 17:15:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:15:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 17:15:45,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:15:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 17:15:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:15:45,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:15:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:15:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 17:15:45,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:15:46,039 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:15:46,039 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:15:46,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:15:46 BoogieIcfgContainer [2019-12-07 17:15:46,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:15:46,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:15:46,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:15:46,042 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:15:46,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:15:45" (1/3) ... [2019-12-07 17:15:46,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25d9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:15:46, skipping insertion in model container [2019-12-07 17:15:46,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:45" (2/3) ... [2019-12-07 17:15:46,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e25d9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:15:46, skipping insertion in model container [2019-12-07 17:15:46,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:15:46" (3/3) ... [2019-12-07 17:15:46,044 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2019-12-07 17:15:46,050 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:15:46,055 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:15:46,062 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:15:46,077 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:15:46,077 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:15:46,077 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:15:46,077 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:15:46,078 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:15:46,078 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:15:46,078 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:15:46,078 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:15:46,090 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 17:15:46,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:15:46,093 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:15:46,094 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:15:46,094 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:15:46,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:15:46,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 17:15:46,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:15:46,104 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101780287] [2019-12-07 17:15:46,104 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:15:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:15:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:15:46,199 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [101780287] [2019-12-07 17:15:46,199 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:15:46,199 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 17:15:46,200 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973886226] [2019-12-07 17:15:46,203 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:15:46,203 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:15:46,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:15:46,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:15:46,213 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 17:15:46,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:15:46,233 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 17:15:46,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:15:46,234 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 17:15:46,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:15:46,242 INFO L225 Difference]: With dead ends: 227 [2019-12-07 17:15:46,242 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 17:15:46,244 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:15:46,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 17:15:46,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 17:15:46,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 17:15:46,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 17:15:46,273 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 17:15:46,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:15:46,273 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 17:15:46,273 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:15:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 17:15:46,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:15:46,274 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:15:46,274 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:15:46,274 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:15:46,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:15:46,274 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 17:15:46,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:15:46,275 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155994973] [2019-12-07 17:15:46,275 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:15:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:15:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:15:46,363 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:15:46,364 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:15:46,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:15:46 BoogieIcfgContainer [2019-12-07 17:15:46,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:15:46,392 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:15:46,392 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:15:46,392 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:15:46,392 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:15:46" (3/4) ... [2019-12-07 17:15:46,395 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:15:46,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:15:46,397 INFO L168 Benchmark]: Toolchain (without parser) took 1161.13 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 940.7 MB in the beginning and 977.1 MB in the end (delta: -36.3 MB). Peak memory consumption was 56.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:15:46,397 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:15:46,398 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:15:46,398 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:15:46,398 INFO L168 Benchmark]: Boogie Preprocessor took 40.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:15:46,399 INFO L168 Benchmark]: RCFGBuilder took 447.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:15:46,399 INFO L168 Benchmark]: TraceAbstraction took 351.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.1 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:15:46,399 INFO L168 Benchmark]: Witness Printer took 3.33 ms. Allocated memory is still 1.1 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:15:46,402 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 265.39 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.8 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -141.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 447.29 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 60.8 MB). Peak memory consumption was 60.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 351.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 977.1 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.33 ms. Allocated memory is still 1.1 GB. Free memory is still 977.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 259]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 258. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] double x = __VERIFIER_nondet_double(); [L251] double y = -0.0; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] COND TRUE x < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L255] double res = __ieee754_atan2(y, x); [L258] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L259] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 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=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-f470102 [2019-12-07 17:15:47,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:15:47,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:15:47,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:15:47,763 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:15:47,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:15:47,764 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:15:47,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:15:47,767 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:15:47,767 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:15:47,768 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:15:47,769 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:15:47,769 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:15:47,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:15:47,770 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:15:47,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:15:47,772 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:15:47,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:15:47,774 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:15:47,775 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:15:47,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:15:47,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:15:47,778 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:15:47,778 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:15:47,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:15:47,781 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:15:47,781 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:15:47,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:15:47,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:15:47,782 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:15:47,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:15:47,783 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:15:47,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:15:47,784 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:15:47,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:15:47,785 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:15:47,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:15:47,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:15:47,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:15:47,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:15:47,786 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:15:47,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:15:47,796 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:15:47,797 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:15:47,797 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:15:47,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:15:47,798 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:15:47,798 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:15:47,798 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:15:47,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:15:47,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:15:47,798 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:15:47,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:15:47,800 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:15:47,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:15:47,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:15:47,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:15:47,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:15:47,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:15:47,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:15:47,801 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/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(__VERIFIER_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 -> 3077c551d2b458403e0209f5991b4e91a7b5094b [2019-12-07 17:15:47,985 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:15:47,995 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:15:47,997 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:15:47,998 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:15:47,998 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:15:47,999 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-12-07 17:15:48,050 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/3e936b6ce/8db91560092e4c73b8df0a590d077385/FLAG285e82c5c [2019-12-07 17:15:48,405 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:15:48,405 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2019-12-07 17:15:48,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/3e936b6ce/8db91560092e4c73b8df0a590d077385/FLAG285e82c5c [2019-12-07 17:15:48,420 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/data/3e936b6ce/8db91560092e4c73b8df0a590d077385 [2019-12-07 17:15:48,422 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:15:48,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:15:48,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:15:48,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:15:48,425 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:15:48,426 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,428 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@203973a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48, skipping insertion in model container [2019-12-07 17:15:48,428 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,432 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:15:48,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:15:48,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:15:48,616 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:15:48,690 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:15:48,709 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:15:48,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48 WrapperNode [2019-12-07 17:15:48,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:15:48,710 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:15:48,710 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:15:48,710 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:15:48,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,754 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:15:48,755 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:15:48,755 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:15:48,755 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:15:48,761 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,784 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,790 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,794 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... [2019-12-07 17:15:48,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:15:48,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:15:48,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:15:48,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:15:48,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/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 [2019-12-07 17:15:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 17:15:48,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 17:15:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:15:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 17:15:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:15:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:15:48,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:15:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:15:48,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:16:25,442 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:16:25,442 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 17:16:25,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:16:25 BoogieIcfgContainer [2019-12-07 17:16:25,443 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:16:25,444 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:16:25,444 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:16:25,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:16:25,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:15:48" (1/3) ... [2019-12-07 17:16:25,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312b9ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:16:25, skipping insertion in model container [2019-12-07 17:16:25,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:15:48" (2/3) ... [2019-12-07 17:16:25,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@312b9ac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:16:25, skipping insertion in model container [2019-12-07 17:16:25,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:16:25" (3/3) ... [2019-12-07 17:16:25,448 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2019-12-07 17:16:25,454 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:16:25,459 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:16:25,466 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 17:16:25,482 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:16:25,482 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:16:25,482 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:16:25,482 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:16:25,482 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:16:25,482 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:16:25,483 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:16:25,483 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:16:25,494 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 17:16:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 17:16:25,498 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:25,498 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:25,498 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:16:25,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:25,502 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 17:16:25,510 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:16:25,510 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1337785107] [2019-12-07 17:16:25,510 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/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 [2019-12-07 17:16:25,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:16:25,825 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 17:16:25,829 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:16:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:25,839 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:16:25,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:16:25,842 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1337785107] [2019-12-07 17:16:25,842 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:16:25,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 17:16:25,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256586005] [2019-12-07 17:16:25,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 17:16:25,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:16:25,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 17:16:25,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:16:25,856 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 17:16:25,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:16:25,877 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 17:16:25,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:16:25,878 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 17:16:25,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:16:25,889 INFO L225 Difference]: With dead ends: 227 [2019-12-07 17:16:25,890 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 17:16:25,893 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 17:16:25,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 17:16:25,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 17:16:25,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 17:16:25,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 17:16:25,930 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 17:16:25,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:16:25,930 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 17:16:25,930 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 17:16:25,931 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 17:16:25,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:16:25,931 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:16:25,931 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:16:26,132 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:16:26,133 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:16:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:16:26,134 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 17:16:26,135 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:16:26,136 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1377151993] [2019-12-07 17:16:26,136 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/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 [2019-12-07 17:16:26,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:16:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:16:27,350 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:16:27,350 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:16:27,551 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:16:27,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:16:27 BoogieIcfgContainer [2019-12-07 17:16:27,611 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:16:27,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:16:27,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:16:27,612 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:16:27,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:16:25" (3/4) ... [2019-12-07 17:16:27,613 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 17:16:27,658 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_3ccd70d7-9134-47a5-86e8-6eb512da0936/bin/uautomizer/witness.graphml [2019-12-07 17:16:27,658 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:16:27,660 INFO L168 Benchmark]: Toolchain (without parser) took 39236.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 945.2 MB in the end (delta: 7.2 MB). Peak memory consumption was 133.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:16:27,660 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:16:27,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 286.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:16:27,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:16:27,661 INFO L168 Benchmark]: Boogie Preprocessor took 43.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:16:27,661 INFO L168 Benchmark]: RCFGBuilder took 36644.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 11.5 GB. [2019-12-07 17:16:27,661 INFO L168 Benchmark]: TraceAbstraction took 2167.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.1 MB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:16:27,662 INFO L168 Benchmark]: Witness Printer took 46.84 ms. Allocated memory is still 1.2 GB. Free memory was 952.1 MB in the beginning and 945.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-12-07 17:16:27,663 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 286.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -162.3 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 44.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 36644.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 90.5 MB). Peak memory consumption was 90.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2167.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 952.1 MB in the end (delta: 65.3 MB). Peak memory consumption was 65.3 MB. Max. memory is 11.5 GB. * Witness Printer took 46.84 ms. Allocated memory is still 1.2 GB. Free memory was 952.1 MB in the beginning and 945.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 259]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L60-L62] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L250] double x = __VERIFIER_nondet_double(); [L251] double y = -0.0; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] COND TRUE x < 0.0 [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L255] double res = __ieee754_atan2(y, x); [L258] COND TRUE res != -pi VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L259] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 115 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred 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, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 101 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...