./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.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_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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 8da48de392bfeb98cf442ccd07f59108302b2d35 .................................................................................................................................................................................................................................................................................................................................... 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_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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 8da48de392bfeb98cf442ccd07f59108302b2d35 ................................................................................................................................................................................................................................................................................................................................................. 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 [2020-11-29 19:22:04,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:22:04,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:22:04,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 19:22:04,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 19:22:04,256 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 19:22:04,262 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 19:22:04,265 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 19:22:04,268 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 19:22:04,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 19:22:04,272 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 19:22:04,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 19:22:04,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:22:04,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:22:04,283 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:22:04,286 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:22:04,287 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:22:04,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:22:04,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:22:04,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:22:04,298 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:22:04,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:22:04,303 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:22:04,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:22:04,309 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:22:04,310 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:22:04,310 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:22:04,312 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:22:04,313 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:22:04,314 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:22:04,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:22:04,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:22:04,318 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:22:04,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:22:04,321 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:22:04,322 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:22:04,323 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:22:04,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:22:04,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:22:04,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:22:04,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:22:04,328 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 19:22:04,359 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:22:04,359 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:22:04,361 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:22:04,362 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:22:04,362 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:22:04,362 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:22:04,363 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:22:04,363 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 19:22:04,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:22:04,364 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:22:04,364 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:22:04,364 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:22:04,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:22:04,365 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:22:04,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:22:04,366 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:22:04,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:22:04,367 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:22:04,367 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:22:04,367 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:22:04,368 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:22:04,368 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:22:04,368 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:22:04,369 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:22:04,369 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:22:04,369 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 19:22:04,370 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 19:22:04,370 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:22:04,370 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:22:04,371 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_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-11-29 19:22:04,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:22:04,813 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:22:04,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:22:04,820 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:22:04,822 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:22:04,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-11-29 19:22:04,945 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/5987bb6f2/6fe3cd97601c43e59b611cabebf42c9f/FLAG0a4e4516a [2020-11-29 19:22:05,743 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:22:05,746 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-11-29 19:22:05,765 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/5987bb6f2/6fe3cd97601c43e59b611cabebf42c9f/FLAG0a4e4516a [2020-11-29 19:22:06,057 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/5987bb6f2/6fe3cd97601c43e59b611cabebf42c9f [2020-11-29 19:22:06,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:22:06,066 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:22:06,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:06,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:22:06,075 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:22:06,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47db6716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06, skipping insertion in model container [2020-11-29 19:22:06,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,090 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:22:06,148 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:22:06,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:06,591 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:22:06,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:06,699 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:22:06,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06 WrapperNode [2020-11-29 19:22:06,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:06,701 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:06,702 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:22:06,702 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:22:06,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,828 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:06,829 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:22:06,829 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:22:06,830 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:22:06,840 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,840 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,879 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,911 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... [2020-11-29 19:22:06,918 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:22:06,934 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:22:06,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:22:06,935 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:22:06,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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 [2020-11-29 19:22:07,057 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 19:22:07,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:22:07,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 19:22:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 19:22:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 19:22:07,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:22:07,061 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:22:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 19:22:07,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 19:22:07,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:22:08,340 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:22:08,341 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 19:22:08,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:08 BoogieIcfgContainer [2020-11-29 19:22:08,344 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:22:08,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:22:08,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:22:08,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:22:08,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:22:06" (1/3) ... [2020-11-29 19:22:08,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5739bc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:08, skipping insertion in model container [2020-11-29 19:22:08,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:06" (2/3) ... [2020-11-29 19:22:08,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5739bc55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:08, skipping insertion in model container [2020-11-29 19:22:08,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:08" (3/3) ... [2020-11-29 19:22:08,362 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-11-29 19:22:08,376 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:22:08,386 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:22:08,401 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:22:08,430 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:22:08,430 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:22:08,430 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:22:08,430 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:22:08,438 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:22:08,438 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:22:08,438 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:22:08,438 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:22:08,459 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-29 19:22:08,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 19:22:08,465 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:08,466 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:08,466 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:08,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:08,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-11-29 19:22:08,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:08,486 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18129640] [2020-11-29 19:22:08,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:08,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18129640] [2020-11-29 19:22:08,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:08,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 19:22:08,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856226231] [2020-11-29 19:22:08,756 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:22:08,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 19:22:08,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:22:08,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:22:08,782 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-29 19:22:08,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:08,822 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-11-29 19:22:08,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:22:08,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 19:22:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:08,839 INFO L225 Difference]: With dead ends: 228 [2020-11-29 19:22:08,839 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 19:22:08,843 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 [2020-11-29 19:22:08,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 19:22:08,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 19:22:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 19:22:08,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-11-29 19:22:08,920 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-11-29 19:22:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:08,920 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-11-29 19:22:08,921 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:22:08,921 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-29 19:22:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:22:08,922 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:08,922 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:08,923 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 19:22:08,923 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:08,924 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-11-29 19:22:08,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 19:22:08,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805679218] [2020-11-29 19:22:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 19:22:09,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:22:09,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:22:09,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:22:09,207 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:22:09,270 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 19:22:09,270 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:22:09,272 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 19:22:09,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:22:09 BoogieIcfgContainer [2020-11-29 19:22:09,345 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:22:09,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:22:09,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:22:09,358 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:22:09,359 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:08" (3/4) ... [2020-11-29 19:22:09,363 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 19:22:09,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:22:09,366 INFO L168 Benchmark]: Toolchain (without parser) took 3297.92 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 56.0 MB in the beginning and 61.7 MB in the end (delta: -5.7 MB). Peak memory consumption was 24.5 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:09,369 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 88.1 MB. Free memory was 44.9 MB in the beginning and 44.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:09,371 INFO L168 Benchmark]: CACSL2BoogieTranslator took 630.30 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 60.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:09,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 126.89 ms. Allocated memory is still 88.1 MB. Free memory was 60.2 MB in the beginning and 56.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:09,374 INFO L168 Benchmark]: Boogie Preprocessor took 104.29 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 53.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:09,376 INFO L168 Benchmark]: RCFGBuilder took 1410.15 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 53.3 MB in the beginning and 61.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:22:09,376 INFO L168 Benchmark]: TraceAbstraction took 1007.84 ms. Allocated memory is still 119.5 MB. Free memory was 60.9 MB in the beginning and 61.9 MB in the end (delta: -1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:09,377 INFO L168 Benchmark]: Witness Printer took 5.71 ms. Allocated memory is still 119.5 MB. Free memory was 61.9 MB in the beginning and 61.7 MB in the end (delta: 222.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:22:09,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 88.1 MB. Free memory was 44.9 MB in the beginning and 44.9 MB in the end (delta: 39.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 630.30 ms. Allocated memory is still 88.1 MB. Free memory was 55.8 MB in the beginning and 60.2 MB in the end (delta: -4.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 126.89 ms. Allocated memory is still 88.1 MB. Free memory was 60.2 MB in the beginning and 56.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 104.29 ms. Allocated memory is still 88.1 MB. Free memory was 56.5 MB in the beginning and 53.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1410.15 ms. Allocated memory was 88.1 MB in the beginning and 119.5 MB in the end (delta: 31.5 MB). Free memory was 53.3 MB in the beginning and 61.5 MB in the end (delta: -8.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1007.84 ms. Allocated memory is still 119.5 MB. Free memory was 60.9 MB in the beginning and 61.9 MB in the end (delta: -1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.71 ms. Allocated memory is still 119.5 MB. Free memory was 61.9 MB in the beginning and 61.7 MB in the end (delta: 222.2 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 bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 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_0663b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 [2020-11-29 19:22:12,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 19:22:12,526 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 19:22:12,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-29 19:22:12,629 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 19:22:12,630 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 19:22:12,632 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 19:22:12,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 19:22:12,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 19:22:12,645 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 19:22:12,653 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 19:22:12,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 19:22:12,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 19:22:12,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 19:22:12,672 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 19:22:12,674 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 19:22:12,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 19:22:12,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 19:22:12,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 19:22:12,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 19:22:12,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 19:22:12,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 19:22:12,699 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 19:22:12,700 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 19:22:12,702 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 19:22:12,704 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 19:22:12,705 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 19:22:12,706 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 19:22:12,707 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 19:22:12,707 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 19:22:12,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 19:22:12,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 19:22:12,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 19:22:12,713 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 19:22:12,774 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 19:22:12,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 19:22:12,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 19:22:12,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 19:22:12,779 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 19:22:12,780 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 19:22:12,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 19:22:12,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 19:22:12,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 19:22:12,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 19:22:12,782 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 19:22:12,783 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 19:22:12,783 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 19:22:12,783 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 19:22:12,783 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 19:22:12,784 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 19:22:12,784 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 19:22:12,784 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 19:22:12,785 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 19:22:12,785 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 19:22:12,785 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 19:22:12,785 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 19:22:12,786 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 19:22:12,786 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 19:22:12,786 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 19:22:12,787 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 19:22:12,787 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 19:22:12,787 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 19:22:12,788 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 19:22:12,788 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 19:22:12,788 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 19:22:12,788 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_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-11-29 19:22:13,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 19:22:13,334 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 19:22:13,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 19:22:13,339 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 19:22:13,341 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 19:22:13,342 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-11-29 19:22:13,434 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/4cdb64501/3c941ec9d77847b3ae79f1215929faff/FLAGc6793cd2e [2020-11-29 19:22:14,320 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 19:22:14,331 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-11-29 19:22:14,344 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/4cdb64501/3c941ec9d77847b3ae79f1215929faff/FLAGc6793cd2e [2020-11-29 19:22:14,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/data/4cdb64501/3c941ec9d77847b3ae79f1215929faff [2020-11-29 19:22:14,630 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 19:22:14,634 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 19:22:14,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:14,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 19:22:14,642 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 19:22:14,644 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:14" (1/1) ... [2020-11-29 19:22:14,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@165e8b59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:14, skipping insertion in model container [2020-11-29 19:22:14,647 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 07:22:14" (1/1) ... [2020-11-29 19:22:14,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 19:22:14,717 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 19:22:15,115 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:15,138 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 19:22:15,242 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 19:22:15,277 INFO L208 MainTranslator]: Completed translation [2020-11-29 19:22:15,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15 WrapperNode [2020-11-29 19:22:15,278 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 19:22:15,280 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:15,280 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 19:22:15,280 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 19:22:15,290 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,399 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 19:22:15,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 19:22:15,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 19:22:15,411 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 19:22:15,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,437 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... [2020-11-29 19:22:15,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 19:22:15,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 19:22:15,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 19:22:15,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 19:22:15,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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 [2020-11-29 19:22:15,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 19:22:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 19:22:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 19:22:15,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 19:22:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 19:22:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 19:22:15,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 19:22:15,663 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 19:22:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 19:22:15,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 19:22:57,420 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 19:22:57,420 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 19:22:57,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:57 BoogieIcfgContainer [2020-11-29 19:22:57,423 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 19:22:57,425 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 19:22:57,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 19:22:57,428 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 19:22:57,429 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 07:22:14" (1/3) ... [2020-11-29 19:22:57,430 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f426733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:57, skipping insertion in model container [2020-11-29 19:22:57,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 07:22:15" (2/3) ... [2020-11-29 19:22:57,431 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f426733 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 07:22:57, skipping insertion in model container [2020-11-29 19:22:57,431 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:57" (3/3) ... [2020-11-29 19:22:57,433 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-11-29 19:22:57,446 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 19:22:57,453 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 19:22:57,468 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 19:22:57,498 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 19:22:57,498 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 19:22:57,499 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 19:22:57,499 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 19:22:57,499 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 19:22:57,499 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 19:22:57,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 19:22:57,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 19:22:57,518 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-29 19:22:57,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 19:22:57,522 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:57,523 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:57,524 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:57,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:57,529 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-11-29 19:22:57,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:57,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1455349941] [2020-11-29 19:22:57,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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 [2020-11-29 19:22:58,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 19:22:58,142 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 19:22:58,149 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 19:22:58,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:58,173 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 19:22:58,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 19:22:58,180 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1455349941] [2020-11-29 19:22:58,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 19:22:58,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 19:22:58,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732495577] [2020-11-29 19:22:58,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 19:22:58,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 19:22:58,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 19:22:58,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:22:58,231 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-29 19:22:58,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 19:22:58,297 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-11-29 19:22:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 19:22:58,299 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 19:22:58,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 19:22:58,321 INFO L225 Difference]: With dead ends: 228 [2020-11-29 19:22:58,323 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 19:22:58,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 19:22:58,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 19:22:58,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 19:22:58,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 19:22:58,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-11-29 19:22:58,415 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-11-29 19:22:58,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 19:22:58,416 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-11-29 19:22:58,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 19:22:58,417 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-29 19:22:58,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 19:22:58,420 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 19:22:58,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 19:22:58,637 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 19:22:58,638 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 19:22:58,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 19:22:58,639 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-11-29 19:22:58,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 19:22:58,640 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [245113311] [2020-11-29 19:22:58,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/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 [2020-11-29 19:22:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:22:59,807 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 19:23:00,762 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 19:23:00,895 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 19:23:00,895 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 19:23:01,097 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 19:23:01,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 07:23:01 BoogieIcfgContainer [2020-11-29 19:23:01,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 19:23:01,227 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 19:23:01,227 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 19:23:01,228 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 19:23:01,228 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 07:22:57" (3/4) ... [2020-11-29 19:23:01,231 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 19:23:01,351 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_7f8d3f1d-d4e6-439b-ac04-ae10e9c32d87/bin/uautomizer/witness.graphml [2020-11-29 19:23:01,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 19:23:01,367 INFO L168 Benchmark]: Toolchain (without parser) took 46718.18 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 30.1 MB in the beginning and 40.5 MB in the end (delta: -10.5 MB). Peak memory consumption was 19.9 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,367 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 52.4 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 19:23:01,368 INFO L168 Benchmark]: CACSL2BoogieTranslator took 641.42 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.8 MB in the beginning and 41.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 129.81 ms. Allocated memory is still 62.9 MB. Free memory was 40.9 MB in the beginning and 37.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,369 INFO L168 Benchmark]: Boogie Preprocessor took 135.39 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 33.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,370 INFO L168 Benchmark]: RCFGBuilder took 41876.12 ms. Allocated memory is still 62.9 MB. Free memory was 33.2 MB in the beginning and 29.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,370 INFO L168 Benchmark]: TraceAbstraction took 3801.07 ms. Allocated memory is still 62.9 MB. Free memory was 29.5 MB in the beginning and 25.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,371 INFO L168 Benchmark]: Witness Printer took 124.09 ms. Allocated memory is still 62.9 MB. Free memory was 25.1 MB in the beginning and 40.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-11-29 19:23:01,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 52.4 MB. Free memory was 35.2 MB in the beginning and 35.2 MB in the end (delta: 62.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 641.42 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 29.8 MB in the beginning and 41.1 MB in the end (delta: -11.3 MB). Peak memory consumption was 7.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 129.81 ms. Allocated memory is still 62.9 MB. Free memory was 40.9 MB in the beginning and 37.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.39 ms. Allocated memory is still 62.9 MB. Free memory was 37.4 MB in the beginning and 33.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 41876.12 ms. Allocated memory is still 62.9 MB. Free memory was 33.2 MB in the beginning and 29.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3801.07 ms. Allocated memory is still 62.9 MB. Free memory was 29.5 MB in the beginning and 25.1 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.0 MB. Max. memory is 16.1 GB. * Witness Printer took 124.09 ms. Allocated memory is still 62.9 MB. Free memory was 25.1 MB in the beginning and 40.5 MB in the end (delta: -15.4 MB). Peak memory consumption was 5.4 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] [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 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_0663b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 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...