./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=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 720f2db9041449ba416043cdd20f795f2de03f54 ................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 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 [2020-10-24 23:11:18,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:11:18,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:11:18,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:11:18,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:11:18,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:11:18,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:11:18,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:11:18,874 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:11:18,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:11:18,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:11:18,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:11:18,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:11:18,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:11:18,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:11:18,883 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:11:18,884 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:11:18,885 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:11:18,887 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:11:18,889 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:11:18,891 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:11:18,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:11:18,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:11:18,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:11:18,898 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:11:18,899 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:11:18,899 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:11:18,900 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:11:18,901 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:11:18,902 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:11:18,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:11:18,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:11:18,905 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:11:18,906 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:11:18,907 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:11:18,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:11:18,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:11:18,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:11:18,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:11:18,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:11:18,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:11:18,917 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:11:18,944 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:11:18,944 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:11:18,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:11:18,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:11:18,946 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:11:18,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:11:18,947 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:11:18,947 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:11:18,947 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:11:18,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:11:18,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:11:18,948 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:11:18,948 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:11:18,949 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:11:18,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:11:18,949 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:11:18,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:11:18,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:11:18,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:11:18,950 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:11:18,951 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:11:18,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:18,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:11:18,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:11:18,952 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:11:18,952 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:11:18,952 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:11:18,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:11:18,953 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:11:18,953 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2020-10-24 23:11:19,385 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:11:19,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:11:19,418 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:11:19,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:11:19,421 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:11:19,422 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-10-24 23:11:19,521 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a2138ae/eea40e35c37c45e99c15512c15e3625f/FLAG3a22ac7a2 [2020-10-24 23:11:20,178 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:20,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-10-24 23:11:20,190 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a2138ae/eea40e35c37c45e99c15512c15e3625f/FLAG3a22ac7a2 [2020-10-24 23:11:20,550 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71a2138ae/eea40e35c37c45e99c15512c15e3625f [2020-10-24 23:11:20,554 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:20,560 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:20,562 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:20,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:20,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:20,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:20,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e3654c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20, skipping insertion in model container [2020-10-24 23:11:20,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:20,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:20,606 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:20,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:20,878 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:20,939 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:20,963 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:20,963 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20 WrapperNode [2020-10-24 23:11:20,964 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:20,965 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:20,966 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:20,966 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:20,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:20,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,073 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:21,075 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:21,075 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:21,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:21,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,128 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... [2020-10-24 23:11:21,224 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:21,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:21,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:21,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:21,231 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:11:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:11:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:11:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:11:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:21,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:11:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:11:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:11:22,315 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:11:22,315 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:11:22,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:22 BoogieIcfgContainer [2020-10-24 23:11:22,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:11:22,319 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:11:22,319 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:11:22,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:11:22,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:20" (1/3) ... [2020-10-24 23:11:22,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201fde64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:22, skipping insertion in model container [2020-10-24 23:11:22,323 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:20" (2/3) ... [2020-10-24 23:11:22,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@201fde64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:11:22, skipping insertion in model container [2020-10-24 23:11:22,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:22" (3/3) ... [2020-10-24 23:11:22,325 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2020-10-24 23:11:22,337 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:11:22,342 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:11:22,354 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:11:22,381 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:11:22,382 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:11:22,382 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:11:22,382 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:11:22,382 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:11:22,382 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:11:22,382 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:11:22,382 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:11:22,400 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:11:22,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:11:22,406 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:22,407 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:22,407 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:22,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:22,414 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:11:22,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:11:22,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407913517] [2020-10-24 23:11:22,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:11:22,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:11:22,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:11:22,613 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407913517] [2020-10-24 23:11:22,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:11:22,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:11:22,615 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164835246] [2020-10-24 23:11:22,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:11:22,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:11:22,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:11:22,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:11:22,638 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:11:22,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:11:22,673 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:11:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:11:22,675 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:11:22,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:11:22,687 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:11:22,688 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:11:22,692 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 [2020-10-24 23:11:22,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:11:22,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:11:22,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:11:22,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:11:22,773 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:11:22,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:11:22,773 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:11:22,774 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:11:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:11:22,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:11:22,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:11:22,777 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:11:22,777 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:11:22,777 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:11:22,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:11:22,781 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:11:22,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:11:22,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457120963] [2020-10-24 23:11:22,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:11:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:22,914 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:11:22,967 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:11:23,001 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:11:23,001 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:11:23,002 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:11:23,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:11:23 BoogieIcfgContainer [2020-10-24 23:11:23,048 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:11:23,048 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:11:23,048 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:11:23,049 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:11:23,049 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:11:22" (3/4) ... [2020-10-24 23:11:23,053 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:11:23,053 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:11:23,057 INFO L168 Benchmark]: Toolchain (without parser) took 2498.80 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 30.6 MB in the beginning and 29.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:23,057 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 17.5 MB in the beginning and 17.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:23,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.74 ms. Allocated memory is still 54.5 MB. Free memory was 30.0 MB in the beginning and 28.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:23,059 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.59 ms. Allocated memory is still 54.5 MB. Free memory was 28.8 MB in the beginning and 25.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:23,060 INFO L168 Benchmark]: Boogie Preprocessor took 149.03 ms. Allocated memory is still 54.5 MB. Free memory was 25.2 MB in the beginning and 34.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:23,061 INFO L168 Benchmark]: RCFGBuilder took 1090.27 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 42.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:23,062 INFO L168 Benchmark]: TraceAbstraction took 728.88 ms. Allocated memory is still 69.2 MB. Free memory was 42.3 MB in the beginning and 30.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:11:23,063 INFO L168 Benchmark]: Witness Printer took 4.90 ms. Allocated memory is still 69.2 MB. Free memory was 30.0 MB in the beginning and 29.6 MB in the end (delta: 432.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:11:23,068 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 17.5 MB in the beginning and 17.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 401.74 ms. Allocated memory is still 54.5 MB. Free memory was 30.0 MB in the beginning and 28.9 MB in the end (delta: 1.1 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.59 ms. Allocated memory is still 54.5 MB. Free memory was 28.8 MB in the beginning and 25.2 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 149.03 ms. Allocated memory is still 54.5 MB. Free memory was 25.2 MB in the beginning and 34.6 MB in the end (delta: -9.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1090.27 ms. Allocated memory was 54.5 MB in the beginning and 69.2 MB in the end (delta: 14.7 MB). Free memory was 34.6 MB in the beginning and 42.7 MB in the end (delta: -8.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 728.88 ms. Allocated memory is still 69.2 MB. Free memory was 42.3 MB in the beginning and 30.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.90 ms. Allocated memory is still 69.2 MB. Free memory was 30.0 MB in the beginning and 29.6 MB in the end (delta: 432.2 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: 0.6s, 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 [2020-10-24 23:11:25,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:11:25,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:11:25,591 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:11:25,591 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:11:25,597 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:11:25,599 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:11:25,606 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:11:25,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:11:25,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:11:25,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:11:25,620 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:11:25,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:11:25,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:11:25,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:11:25,634 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:11:25,635 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:11:25,636 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:11:25,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:11:25,644 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:11:25,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:11:25,649 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:11:25,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:11:25,652 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:11:25,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:11:25,659 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:11:25,660 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:11:25,661 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:11:25,662 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:11:25,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:11:25,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:11:25,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:11:25,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:11:25,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:11:25,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:11:25,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:11:25,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:11:25,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:11:25,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:11:25,673 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:11:25,675 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:11:25,677 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:11:25,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:11:25,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:11:25,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:11:25,732 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:11:25,732 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:11:25,733 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:11:25,733 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:11:25,733 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:11:25,734 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:11:25,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:11:25,735 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:11:25,736 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:11:25,736 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:11:25,736 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:11:25,737 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:11:25,737 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:11:25,737 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:11:25,738 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:11:25,738 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:11:25,740 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:11:25,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:11:25,746 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:11:25,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:25,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:11:25,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:11:25,750 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:11:25,750 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:11:25,750 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:11:25,751 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:11:25,751 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:11:25,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:11:25,751 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 720f2db9041449ba416043cdd20f795f2de03f54 [2020-10-24 23:11:26,130 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:11:26,178 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:11:26,181 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:11:26,182 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:11:26,183 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:11:26,184 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-10-24 23:11:26,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ecb80fe/77d4d6749a9f4e3c96892ada1a6ca862/FLAGec68455b7 [2020-10-24 23:11:26,816 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:11:26,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0686a.c [2020-10-24 23:11:26,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ecb80fe/77d4d6749a9f4e3c96892ada1a6ca862/FLAGec68455b7 [2020-10-24 23:11:27,168 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/10ecb80fe/77d4d6749a9f4e3c96892ada1a6ca862 [2020-10-24 23:11:27,171 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:11:27,179 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:11:27,182 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:27,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:11:27,187 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:11:27,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56adaac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27, skipping insertion in model container [2020-10-24 23:11:27,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:11:27,269 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:11:27,535 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:27,555 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:11:27,624 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:11:27,653 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:11:27,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27 WrapperNode [2020-10-24 23:11:27,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:11:27,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:27,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:11:27,656 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:11:27,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:11:27,744 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:11:27,746 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:11:27,746 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:11:27,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,777 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... [2020-10-24 23:11:27,878 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:11:27,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:11:27,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:11:27,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:11:27,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:11:27,961 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:11:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:11:27,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:11:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:11:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:11:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:11:27,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:11:27,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:11:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:11:27,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:12:07,084 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:12:07,084 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:12:07,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:07 BoogieIcfgContainer [2020-10-24 23:12:07,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:12:07,088 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:12:07,088 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:12:07,092 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:12:07,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:11:27" (1/3) ... [2020-10-24 23:12:07,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b8fc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:12:07, skipping insertion in model container [2020-10-24 23:12:07,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:11:27" (2/3) ... [2020-10-24 23:12:07,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50b8fc7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:12:07, skipping insertion in model container [2020-10-24 23:12:07,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:07" (3/3) ... [2020-10-24 23:12:07,096 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686a.c [2020-10-24 23:12:07,108 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:12:07,113 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:12:07,129 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:12:07,161 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:12:07,161 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:12:07,161 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:12:07,162 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:12:07,162 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:12:07,162 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:12:07,162 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:12:07,162 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:12:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-24 23:12:07,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-24 23:12:07,183 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:12:07,184 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:12:07,184 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:12:07,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:12:07,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-24 23:12:07,205 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:12:07,205 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1731628871] [2020-10-24 23:12:07,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:12:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:12:07,651 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:12:07,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:12:07,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:12:07,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:12:07,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:12:07,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1731628871] [2020-10-24 23:12:07,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:12:07,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:12:07,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29661817] [2020-10-24 23:12:07,686 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:12:07,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:12:07,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:12:07,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:12:07,704 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-24 23:12:07,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:12:07,738 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-24 23:12:07,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:12:07,739 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-24 23:12:07,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:12:07,751 INFO L225 Difference]: With dead ends: 225 [2020-10-24 23:12:07,751 INFO L226 Difference]: Without dead ends: 110 [2020-10-24 23:12:07,755 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 [2020-10-24 23:12:07,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-24 23:12:07,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-24 23:12:07,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-24 23:12:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-24 23:12:07,796 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-24 23:12:07,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:12:07,797 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-24 23:12:07,797 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:12:07,797 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-24 23:12:07,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:12:07,798 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:12:07,799 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:12:07,999 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:12:08,000 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:12:08,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:12:08,003 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-24 23:12:08,004 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:12:08,004 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1653603228] [2020-10-24 23:12:08,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:12:08,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:12:08,921 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:12:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:12:09,706 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:12:09,822 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:12:09,822 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:12:10,023 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:12:10,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:12:10 BoogieIcfgContainer [2020-10-24 23:12:10,079 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:12:10,080 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:12:10,080 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:12:10,080 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:12:10,081 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:12:07" (3/4) ... [2020-10-24 23:12:10,083 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:12:10,157 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:12:10,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:12:10,163 INFO L168 Benchmark]: Toolchain (without parser) took 42989.03 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 33.2 MB in the beginning and 23.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 24.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,165 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:12:10,167 INFO L168 Benchmark]: CACSL2BoogieTranslator took 472.38 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 33.4 MB in the end (delta: -794.2 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,169 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.26 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 29.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,170 INFO L168 Benchmark]: Boogie Preprocessor took 134.60 ms. Allocated memory is still 56.6 MB. Free memory was 29.8 MB in the beginning and 25.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,171 INFO L168 Benchmark]: RCFGBuilder took 39206.37 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 25.9 MB in the beginning and 44.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,172 INFO L168 Benchmark]: TraceAbstraction took 2990.97 ms. Allocated memory is still 69.2 MB. Free memory was 43.7 MB in the beginning and 28.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,175 INFO L168 Benchmark]: Witness Printer took 81.16 ms. Allocated memory is still 69.2 MB. Free memory was 28.1 MB in the beginning and 23.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:12:10,179 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 56.6 MB. Free memory is still 37.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 472.38 ms. Allocated memory is still 56.6 MB. Free memory was 32.6 MB in the beginning and 33.4 MB in the end (delta: -794.2 kB). Peak memory consumption was 12.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.26 ms. Allocated memory is still 56.6 MB. Free memory was 33.4 MB in the beginning and 29.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 134.60 ms. Allocated memory is still 56.6 MB. Free memory was 29.8 MB in the beginning and 25.9 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39206.37 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 25.9 MB in the beginning and 44.5 MB in the end (delta: -18.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2990.97 ms. Allocated memory is still 69.2 MB. Free memory was 43.7 MB in the beginning and 28.1 MB in the end (delta: 15.6 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Witness Printer took 81.16 ms. Allocated memory is still 69.2 MB. Free memory was 28.1 MB in the beginning and 23.9 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 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: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=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, 1.1s 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...