./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 fcfb0681d482dd50f2d20807361558887e88a0e8 .......................................................................................................................................................................................................................................................................................................................... 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_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 fcfb0681d482dd50f2d20807361558887e88a0e8 ......................................................................................................................................................................................................................................................................................................................................... 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 14:15:59,898 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:15:59,899 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:15:59,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:15:59,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:15:59,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:15:59,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:15:59,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:15:59,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:15:59,915 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:15:59,916 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:15:59,916 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:15:59,917 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:15:59,917 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:15:59,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:15:59,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:15:59,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:15:59,920 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:15:59,922 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:15:59,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:15:59,924 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:15:59,925 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:15:59,925 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:15:59,926 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:15:59,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:15:59,928 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:15:59,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:15:59,928 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:15:59,928 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:15:59,929 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:15:59,929 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:15:59,930 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:15:59,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:15:59,930 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:15:59,931 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:15:59,931 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:15:59,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:15:59,932 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:15:59,932 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:15:59,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:15:59,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:15:59,934 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 14:15:59,946 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:15:59,946 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:15:59,947 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:15:59,947 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:15:59,948 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:15:59,948 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:15:59,948 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:15:59,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 14:15:59,948 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:15:59,949 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:15:59,949 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:15:59,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:15:59,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:15:59,949 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:15:59,950 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:15:59,950 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:15:59,950 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:15:59,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:15:59,951 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:15:59,951 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:15:59,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:15:59,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:15:59,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:15:59,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:15:59,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:15:59,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 14:15:59,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 14:15:59,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:15:59,952 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:15:59,952 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_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 -> fcfb0681d482dd50f2d20807361558887e88a0e8 [2019-12-07 14:16:00,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:00,066 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:00,069 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:00,070 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:00,070 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:00,071 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-12-07 14:16:00,110 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/d6f6b92ba/f62720850d61427b8979f13ca0b009f2/FLAG63e66580b [2019-12-07 14:16:00,434 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:00,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-12-07 14:16:00,439 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/d6f6b92ba/f62720850d61427b8979f13ca0b009f2/FLAG63e66580b [2019-12-07 14:16:00,447 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/d6f6b92ba/f62720850d61427b8979f13ca0b009f2 [2019-12-07 14:16:00,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:00,450 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:00,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:00,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:00,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:00,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b24a14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00, skipping insertion in model container [2019-12-07 14:16:00,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:00,483 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:00,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:00,676 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:16:00,712 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:00,728 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:16:00,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00 WrapperNode [2019-12-07 14:16:00,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:00,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:00,729 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:16:00,729 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:16:00,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:00,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:16:00,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:16:00,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:16:00,781 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,810 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,813 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... [2019-12-07 14:16:00,817 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:16:00,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:16:00,818 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:16:00,818 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:16:00,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 14:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-07 14:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 14:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-07 14:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:16:00,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:16:00,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 14:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-07 14:16:00,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:16:01,289 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:16:01,289 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 14:16:01,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:01 BoogieIcfgContainer [2019-12-07 14:16:01,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:16:01,291 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:16:01,291 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:16:01,294 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:16:01,294 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:16:00" (1/3) ... [2019-12-07 14:16:01,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9893e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:01, skipping insertion in model container [2019-12-07 14:16:01,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:00" (2/3) ... [2019-12-07 14:16:01,295 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b9893e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:01, skipping insertion in model container [2019-12-07 14:16:01,295 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:01" (3/3) ... [2019-12-07 14:16:01,297 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2019-12-07 14:16:01,303 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:16:01,308 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:16:01,315 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:16:01,332 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:16:01,332 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:16:01,332 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:16:01,332 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:01,332 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:01,332 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:16:01,332 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:01,332 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:16:01,345 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 14:16:01,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:16:01,349 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:01,349 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:01,349 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:01,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:01,353 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 14:16:01,359 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:01,359 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547610612] [2019-12-07 14:16:01,359 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:01,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:01,463 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 14:16:01,464 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547610612] [2019-12-07 14:16:01,464 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:01,464 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 14:16:01,465 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900256089] [2019-12-07 14:16:01,468 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:16:01,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 14:16:01,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:16:01,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:16:01,478 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 14:16:01,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:01,498 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 14:16:01,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:16:01,499 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 14:16:01,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:16:01,506 INFO L225 Difference]: With dead ends: 227 [2019-12-07 14:16:01,507 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 14:16:01,509 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 14:16:01,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 14:16:01,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 14:16:01,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 14:16:01,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 14:16:01,537 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 14:16:01,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:16:01,538 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 14:16:01,538 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:16:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 14:16:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 14:16:01,538 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:01,538 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:01,539 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:01,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:01,539 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 14:16:01,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 14:16:01,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012477288] [2019-12-07 14:16:01,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 14:16:01,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:01,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:01,636 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 14:16:01,636 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:16:01,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:16:01 BoogieIcfgContainer [2019-12-07 14:16:01,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:16:01,664 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:16:01,664 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:16:01,664 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:16:01,665 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:01" (3/4) ... [2019-12-07 14:16:01,667 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 14:16:01,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:16:01,669 INFO L168 Benchmark]: Toolchain (without parser) took 1218.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.8 MB in the beginning and 985.5 MB in the end (delta: -40.7 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:01,669 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:01,670 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:01,670 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.22 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 14:16:01,670 INFO L168 Benchmark]: Boogie Preprocessor took 42.33 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 14:16:01,671 INFO L168 Benchmark]: RCFGBuilder took 473.11 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:01,671 INFO L168 Benchmark]: TraceAbstraction took 372.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.5 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:01,672 INFO L168 Benchmark]: Witness Printer took 3.09 ms. Allocated memory is still 1.1 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 14:16:01,674 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.22 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 42.33 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 473.11 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: 61.3 MB). Peak memory consumption was 61.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372.69 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 985.5 MB in the end (delta: 38.9 MB). Peak memory consumption was 38.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.09 ms. Allocated memory is still 1.1 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 52, 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: 0.3s, 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 14:16:03,008 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 14:16:03,009 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 14:16:03,017 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 14:16:03,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 14:16:03,018 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 14:16:03,019 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 14:16:03,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 14:16:03,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 14:16:03,022 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 14:16:03,022 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 14:16:03,023 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 14:16:03,023 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 14:16:03,024 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 14:16:03,025 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 14:16:03,026 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 14:16:03,026 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 14:16:03,027 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 14:16:03,028 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 14:16:03,030 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 14:16:03,031 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 14:16:03,032 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 14:16:03,033 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 14:16:03,033 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 14:16:03,035 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 14:16:03,036 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 14:16:03,036 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 14:16:03,036 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 14:16:03,037 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 14:16:03,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 14:16:03,037 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 14:16:03,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 14:16:03,038 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 14:16:03,039 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 14:16:03,040 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 14:16:03,040 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 14:16:03,040 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 14:16:03,040 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 14:16:03,041 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 14:16:03,041 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 14:16:03,042 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 14:16:03,042 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 14:16:03,052 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 14:16:03,052 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 14:16:03,053 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 14:16:03,053 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 14:16:03,053 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 14:16:03,053 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 14:16:03,054 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 14:16:03,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 14:16:03,055 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 14:16:03,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 14:16:03,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 14:16:03,057 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 14:16:03,057 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_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 -> fcfb0681d482dd50f2d20807361558887e88a0e8 [2019-12-07 14:16:03,221 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 14:16:03,228 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 14:16:03,231 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 14:16:03,232 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 14:16:03,232 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 14:16:03,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-12-07 14:16:03,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/b68fe41c6/dc202f18b97a4a198e4dba5b1672753c/FLAG7385c37a5 [2019-12-07 14:16:03,680 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 14:16:03,680 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2019-12-07 14:16:03,685 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/b68fe41c6/dc202f18b97a4a198e4dba5b1672753c/FLAG7385c37a5 [2019-12-07 14:16:04,046 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/data/b68fe41c6/dc202f18b97a4a198e4dba5b1672753c [2019-12-07 14:16:04,050 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 14:16:04,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 14:16:04,053 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:04,053 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 14:16:04,057 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 14:16:04,057 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,059 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13e95046 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04, skipping insertion in model container [2019-12-07 14:16:04,059 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,064 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 14:16:04,086 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 14:16:04,234 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:04,240 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 14:16:04,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 14:16:04,327 INFO L208 MainTranslator]: Completed translation [2019-12-07 14:16:04,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04 WrapperNode [2019-12-07 14:16:04,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 14:16:04,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:04,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 14:16:04,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 14:16:04,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 14:16:04,371 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 14:16:04,371 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 14:16:04,371 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 14:16:04,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,383 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,401 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... [2019-12-07 14:16:04,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 14:16:04,415 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 14:16:04,416 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 14:16:04,416 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 14:16:04,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 14:16:04,456 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 14:16:04,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 14:16:04,457 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 14:16:41,105 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 14:16:41,105 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-07 14:16:41,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:41 BoogieIcfgContainer [2019-12-07 14:16:41,107 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 14:16:41,107 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 14:16:41,107 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 14:16:41,109 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 14:16:41,109 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 02:16:04" (1/3) ... [2019-12-07 14:16:41,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a9c957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:41, skipping insertion in model container [2019-12-07 14:16:41,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:16:04" (2/3) ... [2019-12-07 14:16:41,110 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76a9c957 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 02:16:41, skipping insertion in model container [2019-12-07 14:16:41,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:41" (3/3) ... [2019-12-07 14:16:41,111 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2019-12-07 14:16:41,118 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 14:16:41,122 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 14:16:41,130 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 14:16:41,146 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 14:16:41,146 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 14:16:41,146 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 14:16:41,146 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 14:16:41,147 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 14:16:41,147 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 14:16:41,147 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 14:16:41,147 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 14:16:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2019-12-07 14:16:41,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-07 14:16:41,163 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:41,164 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:41,164 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:41,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:41,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2019-12-07 14:16:41,176 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:16:41,176 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1548313602] [2019-12-07 14:16:41,176 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 14:16:41,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 14:16:41,481 INFO L264 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-07 14:16:41,486 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 14:16:41,496 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 14:16:41,497 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 14:16:41,499 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 14:16:41,500 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1548313602] [2019-12-07 14:16:41,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 14:16:41,501 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-07 14:16:41,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079133875] [2019-12-07 14:16:41,504 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-07 14:16:41,504 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 14:16:41,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-07 14:16:41,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-07 14:16:41,515 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2019-12-07 14:16:41,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 14:16:41,538 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2019-12-07 14:16:41,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 14:16:41,539 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-07 14:16:41,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 14:16:41,547 INFO L225 Difference]: With dead ends: 227 [2019-12-07 14:16:41,547 INFO L226 Difference]: Without dead ends: 111 [2019-12-07 14:16:41,549 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 14:16:41,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2019-12-07 14:16:41,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2019-12-07 14:16:41,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-12-07 14:16:41,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2019-12-07 14:16:41,580 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2019-12-07 14:16:41,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 14:16:41,580 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2019-12-07 14:16:41,580 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-07 14:16:41,580 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2019-12-07 14:16:41,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 14:16:41,581 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 14:16:41,581 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 14:16:41,782 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 14:16:41,782 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 14:16:41,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 14:16:41,783 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2019-12-07 14:16:41,785 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 14:16:41,785 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1677080709] [2019-12-07 14:16:41,785 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/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 14:16:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 14:16:42,986 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 14:16:42,987 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 14:16:43,188 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 14:16:43,243 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 02:16:43 BoogieIcfgContainer [2019-12-07 14:16:43,243 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 14:16:43,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 14:16:43,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 14:16:43,243 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 14:16:43,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 02:16:41" (3/4) ... [2019-12-07 14:16:43,245 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-07 14:16:43,292 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e1c28bac-9fde-48a8-aeee-cb97536f1cd1/bin/uautomizer/witness.graphml [2019-12-07 14:16:43,292 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 14:16:43,293 INFO L168 Benchmark]: Toolchain (without parser) took 39242.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 952.4 MB in the beginning and 909.1 MB in the end (delta: 43.3 MB). Peak memory consumption was 132.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:43,294 INFO L168 Benchmark]: CDTParser took 0.13 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 14:16:43,294 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:43,294 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:43,295 INFO L168 Benchmark]: Boogie Preprocessor took 44.43 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 14:16:43,295 INFO L168 Benchmark]: RCFGBuilder took 36691.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.9 MB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:43,295 INFO L168 Benchmark]: TraceAbstraction took 2135.75 ms. Allocated memory is still 1.1 GB. Free memory was 987.9 MB in the beginning and 915.9 MB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:43,295 INFO L168 Benchmark]: Witness Printer took 48.80 ms. Allocated memory is still 1.1 GB. Free memory was 915.9 MB in the beginning and 909.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 14:16:43,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 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 275.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 952.4 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.43 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 36691.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 987.9 MB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2135.75 ms. Allocated memory is still 1.1 GB. Free memory was 987.9 MB in the beginning and 915.9 MB in the end (delta: 72.0 MB). Peak memory consumption was 72.0 MB. Max. memory is 11.5 GB. * Witness Printer took 48.80 ms. Allocated memory is still 1.1 GB. Free memory was 915.9 MB in the beginning and 909.1 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 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...