./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 720f2db9041449ba416043cdd20f795f2de03f54 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 720f2db9041449ba416043cdd20f795f2de03f54 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:48:30,659 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:48:30,661 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:48:30,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:48:30,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:48:30,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:48:30,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:48:30,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:48:30,712 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:48:30,713 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:48:30,715 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:48:30,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:48:30,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:48:30,719 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:48:30,720 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:48:30,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:48:30,731 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:48:30,732 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:48:30,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:48:30,738 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:48:30,740 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:48:30,748 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:48:30,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:48:30,755 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:48:30,763 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:48:30,764 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:48:30,764 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:48:30,766 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:48:30,766 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:48:30,767 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:48:30,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:48:30,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:48:30,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:48:30,777 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:48:30,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:48:30,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:48:30,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:48:30,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:48:30,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:48:30,782 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:48:30,783 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:48:30,785 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:48:30,835 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:48:30,835 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:48:30,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:48:30,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:48:30,838 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:48:30,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:48:30,838 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:48:30,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:48:30,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:48:30,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:48:30,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:48:30,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:48:30,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:48:30,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:48:30,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:48:30,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:48:30,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:48:30,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:48:30,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:48:30,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:48:30,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:48:30,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:48:30,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:48:30,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:48:30,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:48:30,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:48:30,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:48:30,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:48:30,844 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:48:30,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2020-11-30 00:48:31,096 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:48:31,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:48:31,138 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:48:31,139 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:48:31,140 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:48:31,142 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-11-30 00:48:31,225 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/6386eb185/83bf904f00e54d5aa9098a029f6056d7/FLAGc4b758cd3 [2020-11-30 00:48:31,741 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:48:31,741 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-11-30 00:48:31,750 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/6386eb185/83bf904f00e54d5aa9098a029f6056d7/FLAGc4b758cd3 [2020-11-30 00:48:32,088 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/6386eb185/83bf904f00e54d5aa9098a029f6056d7 [2020-11-30 00:48:32,090 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:48:32,092 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:48:32,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:48:32,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:48:32,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:48:32,103 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@686f7de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32, skipping insertion in model container [2020-11-30 00:48:32,107 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,114 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:48:32,169 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:48:32,517 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:48:32,532 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:48:32,606 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:48:32,625 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:48:32,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32 WrapperNode [2020-11-30 00:48:32,626 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:48:32,627 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:48:32,627 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:48:32,628 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:48:32,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,696 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:48:32,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:48:32,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:48:32,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:48:32,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,750 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... [2020-11-30 00:48:32,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:48:32,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:48:32,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:48:32,763 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:48:32,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:48:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:48:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:48:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:48:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:48:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:48:32,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:48:32,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:48:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:48:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 00:48:32,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:48:33,929 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:48:33,929 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-30 00:48:33,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:48:33 BoogieIcfgContainer [2020-11-30 00:48:33,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:48:33,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:48:33,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:48:33,938 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:48:33,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:48:32" (1/3) ... [2020-11-30 00:48:33,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee66f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:48:33, skipping insertion in model container [2020-11-30 00:48:33,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:32" (2/3) ... [2020-11-30 00:48:33,940 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ee66f6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:48:33, skipping insertion in model container [2020-11-30 00:48:33,940 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:48:33" (3/3) ... [2020-11-30 00:48:33,942 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2020-11-30 00:48:33,957 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:48:33,963 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:48:33,976 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:48:34,001 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:48:34,001 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:48:34,001 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:48:34,001 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:48:34,001 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:48:34,001 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:48:34,002 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:48:34,002 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:48:34,018 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-30 00:48:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:48:34,024 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:48:34,025 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:34,025 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:48:34,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:34,031 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-30 00:48:34,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:34,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232393489] [2020-11-30 00:48:34,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:34,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:48:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:48:34,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232393489] [2020-11-30 00:48:34,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:48:34,205 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:48:34,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742808955] [2020-11-30 00:48:34,210 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:48:34,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:48:34,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:48:34,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:48:34,227 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-30 00:48:34,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:48:34,279 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-30 00:48:34,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:48:34,280 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 00:48:34,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:48:34,303 INFO L225 Difference]: With dead ends: 225 [2020-11-30 00:48:34,303 INFO L226 Difference]: Without dead ends: 110 [2020-11-30 00:48:34,309 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:48:34,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-30 00:48:34,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-30 00:48:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-30 00:48:34,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-30 00:48:34,368 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-30 00:48:34,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:48:34,369 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-30 00:48:34,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:48:34,369 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-30 00:48:34,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:48:34,370 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:48:34,370 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:48:34,370 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:48:34,371 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:48:34,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:48:34,372 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-30 00:48:34,372 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:48:34,372 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353186203] [2020-11-30 00:48:34,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:48:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:34,514 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:34,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:48:34,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:48:34,701 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:48:34,701 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:48:34,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:48:34,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:48:34 BoogieIcfgContainer [2020-11-30 00:48:34,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:48:34,774 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:48:34,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:48:34,776 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:48:34,777 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:48:33" (3/4) ... [2020-11-30 00:48:34,781 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:48:34,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:48:34,785 INFO L168 Benchmark]: Toolchain (without parser) took 2690.76 ms. Allocated memory is still 96.5 MB. Free memory was 65.3 MB in the beginning and 50.7 MB in the end (delta: 14.6 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:48:34,786 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 50.6 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:48:34,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.04 ms. Allocated memory is still 96.5 MB. Free memory was 64.8 MB in the beginning and 69.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:48:34,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.95 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 65.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:48:34,789 INFO L168 Benchmark]: Boogie Preprocessor took 65.19 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 61.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:48:34,790 INFO L168 Benchmark]: RCFGBuilder took 1169.09 ms. Allocated memory is still 96.5 MB. Free memory was 61.8 MB in the beginning and 50.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:48:34,792 INFO L168 Benchmark]: TraceAbstraction took 839.83 ms. Allocated memory is still 96.5 MB. Free memory was 49.6 MB in the beginning and 51.3 MB in the end (delta: -1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:48:34,793 INFO L168 Benchmark]: Witness Printer took 7.87 ms. Allocated memory is still 96.5 MB. Free memory was 51.3 MB in the beginning and 50.7 MB in the end (delta: 637.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:48:34,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 79.7 MB. Free memory was 50.6 MB in the beginning and 50.6 MB in the end (delta: 28.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 529.04 ms. Allocated memory is still 96.5 MB. Free memory was 64.8 MB in the beginning and 69.1 MB in the end (delta: -4.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 68.95 ms. Allocated memory is still 96.5 MB. Free memory was 69.1 MB in the beginning and 65.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.19 ms. Allocated memory is still 96.5 MB. Free memory was 65.5 MB in the beginning and 61.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1169.09 ms. Allocated memory is still 96.5 MB. Free memory was 61.8 MB in the beginning and 50.2 MB in the end (delta: 11.7 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 839.83 ms. Allocated memory is still 96.5 MB. Free memory was 49.6 MB in the beginning and 51.3 MB in the end (delta: -1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 7.87 ms. Allocated memory is still 96.5 MB. Free memory was 51.3 MB in the beginning and 50.7 MB in the end (delta: 637.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 257. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L252] double x = 1.0 / 0.0; [L253] double y = 1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0686a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:48:37,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:48:37,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:48:37,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:48:37,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:48:37,371 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:48:37,374 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:48:37,379 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:48:37,383 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:48:37,389 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:48:37,391 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:48:37,398 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:48:37,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:48:37,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:48:37,404 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:48:37,406 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:48:37,407 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:48:37,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:48:37,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:48:37,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:48:37,432 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:48:37,434 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:48:37,435 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:48:37,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:48:37,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:48:37,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:48:37,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:48:37,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:48:37,452 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:48:37,453 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:48:37,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:48:37,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:48:37,457 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:48:37,458 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:48:37,459 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:48:37,460 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:48:37,461 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:48:37,461 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:48:37,461 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:48:37,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:48:37,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:48:37,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:48:37,511 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:48:37,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:48:37,515 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:48:37,515 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:48:37,516 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:48:37,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:48:37,516 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:48:37,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:48:37,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:48:37,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:48:37,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:48:37,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:48:37,519 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:48:37,519 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:48:37,519 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:48:37,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:48:37,520 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:48:37,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:48:37,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:48:37,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:48:37,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:48:37,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:48:37,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:48:37,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:48:37,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:48:37,522 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:48:37,522 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:48:37,522 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:48:37,541 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:48:37,542 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:48:37,542 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:48:37,542 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2020-11-30 00:48:37,955 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:48:37,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:48:37,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:48:37,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:48:37,984 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:48:37,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-11-30 00:48:38,060 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/0bf4ef97a/2350670cc14e4b24a839c0b6c30dd7cc/FLAG6026a2a07 [2020-11-30 00:48:38,659 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:48:38,663 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-11-30 00:48:38,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/0bf4ef97a/2350670cc14e4b24a839c0b6c30dd7cc/FLAG6026a2a07 [2020-11-30 00:48:38,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/data/0bf4ef97a/2350670cc14e4b24a839c0b6c30dd7cc [2020-11-30 00:48:38,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:48:38,990 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:48:38,994 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:48:38,994 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:48:38,998 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:48:39,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:48:38" (1/1) ... [2020-11-30 00:48:39,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d0dec6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39, skipping insertion in model container [2020-11-30 00:48:39,006 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:48:38" (1/1) ... [2020-11-30 00:48:39,014 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:48:39,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:48:39,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:48:39,360 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:48:39,479 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:48:39,519 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:48:39,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39 WrapperNode [2020-11-30 00:48:39,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:48:39,522 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:48:39,522 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:48:39,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:48:39,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,563 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:48:39,633 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:48:39,634 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:48:39,634 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:48:39,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,676 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,735 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... [2020-11-30 00:48:39,745 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:48:39,746 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:48:39,747 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:48:39,747 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:48:39,748 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:48:39,823 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 00:48:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 00:48:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:48:39,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-30 00:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:48:39,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:48:39,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:48:39,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:49:19,584 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:49:19,585 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-30 00:49:19,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:49:19 BoogieIcfgContainer [2020-11-30 00:49:19,588 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:49:19,590 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:49:19,590 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:49:19,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:49:19,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:48:38" (1/3) ... [2020-11-30 00:49:19,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df2c76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:49:19, skipping insertion in model container [2020-11-30 00:49:19,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:48:39" (2/3) ... [2020-11-30 00:49:19,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@df2c76e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:49:19, skipping insertion in model container [2020-11-30 00:49:19,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:49:19" (3/3) ... [2020-11-30 00:49:19,599 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2020-11-30 00:49:19,611 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:49:19,617 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:49:19,631 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:49:19,663 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:49:19,664 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:49:19,664 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:49:19,664 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:49:19,664 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:49:19,665 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:49:19,665 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:49:19,665 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:49:19,685 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-30 00:49:19,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:49:19,693 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:49:19,694 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:49:19,694 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:49:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:49:19,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-30 00:49:19,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:49:19,719 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [327750097] [2020-11-30 00:49:19,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:49:20,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:49:20,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:49:20,371 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:49:20,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:49:20,400 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:49:20,415 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:49:20,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [327750097] [2020-11-30 00:49:20,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:49:20,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:49:20,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406434747] [2020-11-30 00:49:20,429 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:49:20,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:49:20,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:49:20,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:49:20,455 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-30 00:49:20,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:49:20,517 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-30 00:49:20,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:49:20,519 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 00:49:20,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:49:20,538 INFO L225 Difference]: With dead ends: 225 [2020-11-30 00:49:20,539 INFO L226 Difference]: Without dead ends: 110 [2020-11-30 00:49:20,544 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:49:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-30 00:49:20,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-30 00:49:20,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-30 00:49:20,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-30 00:49:20,642 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-30 00:49:20,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:49:20,643 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-30 00:49:20,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:49:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-30 00:49:20,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:49:20,646 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:49:20,646 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:49:20,859 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:49:20,860 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:49:20,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:49:20,861 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-30 00:49:20,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:49:20,862 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1475570039] [2020-11-30 00:49:20,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:49:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:49:21,936 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:49:23,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:49:23,021 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:49:23,162 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:49:23,162 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:49:23,374 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:49:23,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:49:23 BoogieIcfgContainer [2020-11-30 00:49:23,432 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:49:23,432 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:49:23,433 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:49:23,433 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:49:23,434 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:49:19" (3/4) ... [2020-11-30 00:49:23,436 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:49:23,540 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6199414c-0410-456c-b8eb-ba0ee20be87a/bin/uautomizer/witness.graphml [2020-11-30 00:49:23,540 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:49:23,543 INFO L168 Benchmark]: Toolchain (without parser) took 44551.59 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 52.9 MB in the beginning and 62.1 MB in the end (delta: -9.2 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,544 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 52.8 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:49:23,545 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.90 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 50.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,546 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.28 ms. Allocated memory is still 71.3 MB. Free memory was 50.2 MB in the beginning and 46.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,547 INFO L168 Benchmark]: Boogie Preprocessor took 112.77 ms. Allocated memory is still 71.3 MB. Free memory was 46.3 MB in the beginning and 42.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,548 INFO L168 Benchmark]: RCFGBuilder took 39841.73 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 42.6 MB in the beginning and 63.5 MB in the end (delta: -20.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,548 INFO L168 Benchmark]: TraceAbstraction took 3841.79 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 34.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,549 INFO L168 Benchmark]: Witness Printer took 107.87 ms. Allocated memory is still 86.0 MB. Free memory was 34.2 MB in the beginning and 62.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:49:23,554 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 52.8 MB in the end (delta: 54.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 526.90 ms. Allocated memory is still 71.3 MB. Free memory was 52.8 MB in the beginning and 50.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 110.28 ms. Allocated memory is still 71.3 MB. Free memory was 50.2 MB in the beginning and 46.5 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 112.77 ms. Allocated memory is still 71.3 MB. Free memory was 46.3 MB in the beginning and 42.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39841.73 ms. Allocated memory was 71.3 MB in the beginning and 86.0 MB in the end (delta: 14.7 MB). Free memory was 42.6 MB in the beginning and 63.5 MB in the end (delta: -20.9 MB). Peak memory consumption was 25.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3841.79 ms. Allocated memory is still 86.0 MB. Free memory was 63.0 MB in the beginning and 34.7 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 107.87 ms. Allocated memory is still 86.0 MB. Free memory was 34.2 MB in the beginning and 62.1 MB in the end (delta: -27.9 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L252] double x = 1.0 / 0.0; [L253] double y = 1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L255] double res = __ieee754_atan2(y, x); [L257] COND TRUE res != pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0686a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...