./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.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_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/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 2450a058b5917f7939684a957099b0e6e44b8068 ................................................................................................................................................................................................................................................................................................................................... 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_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/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 2450a058b5917f7939684a957099b0e6e44b8068 ................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:42:48,159 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:42:48,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:42:48,255 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:42:48,255 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:42:48,257 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:42:48,260 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:42:48,263 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:42:48,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:42:48,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:42:48,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:42:48,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:42:48,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:42:48,284 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:42:48,285 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:42:48,287 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:42:48,288 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:42:48,289 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:42:48,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:42:48,313 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:42:48,316 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:42:48,322 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:42:48,324 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:42:48,325 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:42:48,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:42:48,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:42:48,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:42:48,332 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:42:48,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:42:48,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:42:48,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:42:48,336 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:42:48,337 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:42:48,338 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:42:48,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:42:48,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:42:48,341 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:42:48,342 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:42:48,342 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:42:48,343 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:42:48,344 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:42:48,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-30 00:42:48,396 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:42:48,397 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:42:48,400 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:42:48,400 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:42:48,401 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:42:48,401 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:42:48,401 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:42:48,401 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:42:48,402 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:42:48,402 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:42:48,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:42:48,403 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:42:48,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:42:48,404 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:42:48,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:42:48,405 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:42:48,405 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:42:48,405 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:42:48,405 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:42:48,406 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:42:48,406 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:42:48,406 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:42:48,407 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:42:48,407 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:42:48,407 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:42:48,407 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:42:48,408 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-30 00:42:48,408 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:42:48,408 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:42:48,408 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_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2450a058b5917f7939684a957099b0e6e44b8068 [2020-11-30 00:42:48,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:42:48,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:42:48,790 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:42:48,791 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:42:48,792 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:42:48,793 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-11-30 00:42:48,869 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/77c8f2140/a2b0c8c23f614a50a39b89f8eeb48401/FLAG77ddf1b85 [2020-11-30 00:42:49,412 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:42:49,413 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-11-30 00:42:49,432 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/77c8f2140/a2b0c8c23f614a50a39b89f8eeb48401/FLAG77ddf1b85 [2020-11-30 00:42:49,731 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/77c8f2140/a2b0c8c23f614a50a39b89f8eeb48401 [2020-11-30 00:42:49,733 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:42:49,735 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:42:49,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:42:49,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:42:49,741 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:42:49,742 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:42:49" (1/1) ... [2020-11-30 00:42:49,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62a1d59e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:49, skipping insertion in model container [2020-11-30 00:42:49,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:42:49" (1/1) ... [2020-11-30 00:42:49,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:42:49,821 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:42:50,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:42:50,133 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:42:50,245 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:42:50,285 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:42:50,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50 WrapperNode [2020-11-30 00:42:50,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:42:50,288 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:42:50,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:42:50,289 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:42:50,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:42:50,416 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:42:50,416 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:42:50,416 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:42:50,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,425 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,432 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,433 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,458 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,468 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,473 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... [2020-11-30 00:42:50,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:42:50,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:42:50,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:42:50,481 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:42:50,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:42:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:42:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:42:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-30 00:42:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-30 00:42:50,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-30 00:42:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:42:50,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:42:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-30 00:42:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-30 00:42:50,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:42:51,762 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:42:51,763 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-30 00:42:51,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:42:51 BoogieIcfgContainer [2020-11-30 00:42:51,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:42:51,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:42:51,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:42:51,771 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:42:51,771 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:42:49" (1/3) ... [2020-11-30 00:42:51,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be86434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:42:51, skipping insertion in model container [2020-11-30 00:42:51,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:50" (2/3) ... [2020-11-30 00:42:51,772 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be86434 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:42:51, skipping insertion in model container [2020-11-30 00:42:51,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:42:51" (3/3) ... [2020-11-30 00:42:51,774 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2020-11-30 00:42:51,789 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:42:51,793 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:42:51,806 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:42:51,846 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:42:51,846 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:42:51,846 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:42:51,847 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:42:51,847 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:42:51,847 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:42:51,847 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:42:51,848 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:42:51,873 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-30 00:42:51,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:42:51,879 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:51,880 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:51,880 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:51,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:51,888 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-30 00:42:51,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:51,898 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201814660] [2020-11-30 00:42:51,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:52,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:42:52,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:42:52,115 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201814660] [2020-11-30 00:42:52,116 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:42:52,116 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-30 00:42:52,117 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190344445] [2020-11-30 00:42:52,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:42:52,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-30 00:42:52,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:42:52,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:42:52,141 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-30 00:42:52,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:42:52,180 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-30 00:42:52,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:42:52,181 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 00:42:52,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:42:52,193 INFO L225 Difference]: With dead ends: 225 [2020-11-30 00:42:52,194 INFO L226 Difference]: Without dead ends: 110 [2020-11-30 00:42:52,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:42:52,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-30 00:42:52,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-30 00:42:52,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-30 00:42:52,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-30 00:42:52,274 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-30 00:42:52,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:42:52,275 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-30 00:42:52,275 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:42:52,275 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-30 00:42:52,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:42:52,278 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:42:52,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:42:52,278 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-30 00:42:52,278 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:42:52,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:42:52,279 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-30 00:42:52,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:42:52,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855287311] [2020-11-30 00:42:52,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:42:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:42:52,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:42:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:42:52,522 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:42:52,576 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:42:52,576 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:42:52,577 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-30 00:42:52,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:42:52 BoogieIcfgContainer [2020-11-30 00:42:52,657 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:42:52,658 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:42:52,658 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:42:52,658 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:42:52,658 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:42:51" (3/4) ... [2020-11-30 00:42:52,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-30 00:42:52,662 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:42:52,667 INFO L168 Benchmark]: Toolchain (without parser) took 2928.24 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 70.4 MB in the beginning and 84.1 MB in the end (delta: -13.7 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:52,668 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:42:52,669 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.22 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 71.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:52,671 INFO L168 Benchmark]: Boogie Procedure Inliner took 114.60 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 68.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:52,671 INFO L168 Benchmark]: Boogie Preprocessor took 63.97 ms. Allocated memory is still 98.6 MB. Free memory was 68.1 MB in the beginning and 64.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:52,673 INFO L168 Benchmark]: RCFGBuilder took 1283.85 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 64.6 MB in the beginning and 75.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:42:52,674 INFO L168 Benchmark]: TraceAbstraction took 890.50 ms. Allocated memory is still 119.5 MB. Free memory was 75.2 MB in the beginning and 84.7 MB in the end (delta: -9.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:42:52,675 INFO L168 Benchmark]: Witness Printer took 4.72 ms. Allocated memory is still 119.5 MB. Free memory is still 84.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:42:52,685 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 98.6 MB. Free memory is still 57.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 550.22 ms. Allocated memory is still 98.6 MB. Free memory was 70.0 MB in the beginning and 71.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 114.60 ms. Allocated memory is still 98.6 MB. Free memory was 71.5 MB in the beginning and 68.1 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.97 ms. Allocated memory is still 98.6 MB. Free memory was 68.1 MB in the beginning and 64.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1283.85 ms. Allocated memory was 98.6 MB in the beginning and 119.5 MB in the end (delta: 21.0 MB). Free memory was 64.6 MB in the beginning and 75.8 MB in the end (delta: -11.1 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 890.50 ms. Allocated memory is still 119.5 MB. Free memory was 75.2 MB in the beginning and 84.7 MB in the end (delta: -9.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.72 ms. Allocated memory is still 119.5 MB. Free memory is still 84.1 MB. 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_0686b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:42:55,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:42:55,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:42:55,626 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-11-30 00:42:55,662 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:42:55,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:42:55,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:42:55,670 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:42:55,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:42:55,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:42:55,680 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:42:55,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:42:55,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:42:55,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:42:55,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:42:55,705 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:42:55,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-30 00:42:55,723 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:42:55,724 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:42:55,727 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:42:55,728 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:42:55,729 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:42:55,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:42:55,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:42:55,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:42:55,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:42:55,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:42:55,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:42:55,737 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-30 00:42:55,789 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:42:55,790 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:42:55,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:42:55,795 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:42:55,795 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:42:55,796 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:42:55,796 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:42:55,797 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:42:55,797 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:42:55,797 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-30 00:42:55,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-30 00:42:55,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-30 00:42:55,800 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-30 00:42:55,800 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-30 00:42:55,801 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:42:55,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:42:55,801 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:42:55,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-30 00:42:55,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:42:55,803 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:42:55,803 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-30 00:42:55,803 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-30 00:42:55,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:42:55,804 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:42:55,804 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-30 00:42:55,805 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-30 00:42:55,805 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-30 00:42:55,806 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-30 00:42:55,806 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-30 00:42:55,806 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:42:55,807 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-30 00:42:55,807 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_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2450a058b5917f7939684a957099b0e6e44b8068 [2020-11-30 00:42:56,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:42:56,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:42:56,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:42:56,314 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:42:56,315 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:42:56,316 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-11-30 00:42:56,404 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/4e76b175f/422f14267eb6495aa3a313803f1780d8/FLAG31498da1e [2020-11-30 00:42:57,006 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:42:57,018 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/sv-benchmarks/c/float-newlib/double_req_bl_0686b.c [2020-11-30 00:42:57,030 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/4e76b175f/422f14267eb6495aa3a313803f1780d8/FLAG31498da1e [2020-11-30 00:42:57,329 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/data/4e76b175f/422f14267eb6495aa3a313803f1780d8 [2020-11-30 00:42:57,332 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:42:57,335 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:42:57,340 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:42:57,340 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:42:57,344 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:42:57,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,348 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6343bc7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57, skipping insertion in model container [2020-11-30 00:42:57,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:42:57,411 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:42:57,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:42:57,719 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:42:57,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:42:57,836 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:42:57,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57 WrapperNode [2020-11-30 00:42:57,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:42:57,839 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:42:57,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:42:57,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:42:57,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,867 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:42:57,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:42:57,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:42:57,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:42:57,926 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,927 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,938 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... [2020-11-30 00:42:57,991 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:42:57,992 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:42:57,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:42:57,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:42:57,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-30 00:42:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-30 00:42:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-30 00:42:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-30 00:42:58,093 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:42:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-30 00:42:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-30 00:42:58,094 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:42:58,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:42:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-30 00:42:58,095 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-30 00:43:39,399 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:43:39,399 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-30 00:43:39,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:39 BoogieIcfgContainer [2020-11-30 00:43:39,402 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:43:39,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-30 00:43:39,404 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-30 00:43:39,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-30 00:43:39,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.11 12:42:57" (1/3) ... [2020-11-30 00:43:39,409 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2044ccec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:43:39, skipping insertion in model container [2020-11-30 00:43:39,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:42:57" (2/3) ... [2020-11-30 00:43:39,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2044ccec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.11 12:43:39, skipping insertion in model container [2020-11-30 00:43:39,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:39" (3/3) ... [2020-11-30 00:43:39,412 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0686b.c [2020-11-30 00:43:39,425 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-30 00:43:39,431 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-30 00:43:39,445 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-30 00:43:39,477 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-30 00:43:39,477 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-30 00:43:39,478 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-30 00:43:39,478 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:43:39,478 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:43:39,478 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-30 00:43:39,478 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:43:39,479 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-30 00:43:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-11-30 00:43:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-11-30 00:43:39,505 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:43:39,506 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:43:39,506 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:43:39,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:43:39,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-11-30 00:43:39,527 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:43:39,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2131719984] [2020-11-30 00:43:39,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-30 00:43:40,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-30 00:43:40,312 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-30 00:43:40,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-30 00:43:40,341 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:43:40,342 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-30 00:43:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-30 00:43:40,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2131719984] [2020-11-30 00:43:40,357 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-30 00:43:40,357 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-30 00:43:40,358 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1706236011] [2020-11-30 00:43:40,364 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-30 00:43:40,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-30 00:43:40,384 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-30 00:43:40,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:43:40,388 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-11-30 00:43:40,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-30 00:43:40,455 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-11-30 00:43:40,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-30 00:43:40,457 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-11-30 00:43:40,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-30 00:43:40,477 INFO L225 Difference]: With dead ends: 225 [2020-11-30 00:43:40,478 INFO L226 Difference]: Without dead ends: 110 [2020-11-30 00:43:40,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-30 00:43:40,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-11-30 00:43:40,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-11-30 00:43:40,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-11-30 00:43:40,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-11-30 00:43:40,551 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-11-30 00:43:40,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-30 00:43:40,551 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-11-30 00:43:40,552 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-30 00:43:40,552 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-11-30 00:43:40,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-11-30 00:43:40,554 INFO L414 BasicCegarLoop]: Found error trace [2020-11-30 00:43:40,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:43:40,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-30 00:43:40,777 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-30 00:43:40,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:43:40,778 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-11-30 00:43:40,778 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-30 00:43:40,778 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1524894218] [2020-11-30 00:43:40,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-30 00:43:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:43:41,883 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:43:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:43:42,703 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:43:42,836 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-30 00:43:42,836 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-30 00:43:43,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-30 00:43:43,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.11 12:43:43 BoogieIcfgContainer [2020-11-30 00:43:43,104 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-30 00:43:43,112 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:43:43,112 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:43:43,113 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:43:43,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:43:39" (3/4) ... [2020-11-30 00:43:43,116 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-30 00:43:43,260 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_57b58b38-dadc-472b-bb1a-6c0381b0f1c2/bin/uautomizer/witness.graphml [2020-11-30 00:43:43,261 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:43:43,263 INFO L168 Benchmark]: Toolchain (without parser) took 45926.76 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.6 MB in the beginning and 35.6 MB in the end (delta: -8.0 MB). Peak memory consumption was 2.9 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,267 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 33.0 MB in the beginning and 32.9 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:43:43,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 498.08 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 39.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.31 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 36.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,274 INFO L168 Benchmark]: Boogie Preprocessor took 75.74 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 32.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,275 INFO L168 Benchmark]: RCFGBuilder took 41410.07 ms. Allocated memory is still 60.8 MB. Free memory was 32.3 MB in the beginning and 30.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,279 INFO L168 Benchmark]: TraceAbstraction took 3700.59 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 22.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,280 INFO L168 Benchmark]: Witness Printer took 148.84 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 35.6 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:43:43,284 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 50.3 MB. Free memory was 33.0 MB in the beginning and 32.9 MB in the end (delta: 37.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 498.08 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 27.4 MB in the beginning and 39.8 MB in the end (delta: -12.4 MB). Peak memory consumption was 5.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 76.31 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 36.3 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 75.74 ms. Allocated memory is still 60.8 MB. Free memory was 36.3 MB in the beginning and 32.5 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 41410.07 ms. Allocated memory is still 60.8 MB. Free memory was 32.3 MB in the beginning and 30.1 MB in the end (delta: 2.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3700.59 ms. Allocated memory is still 60.8 MB. Free memory was 29.7 MB in the beginning and 22.4 MB in the end (delta: 7.3 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. * Witness Printer took 148.84 ms. Allocated memory is still 60.8 MB. Free memory was 39.8 MB in the beginning and 35.6 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, 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_0686b.c", 3, "reach_error") VAL [aT_atan={1073741835:0}, atanhi_atan={-1073741814:0}, atanlo_atan={-1073741821:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...