./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 69874e26 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/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_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/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 0.2.0-69874e2 [2020-12-01 15:36:56,997 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:36:57,001 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:36:57,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:36:57,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:36:57,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:36:57,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:36:57,158 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:36:57,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:36:57,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:36:57,172 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:36:57,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:36:57,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:36:57,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:36:57,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:36:57,185 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:36:57,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:36:57,188 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:36:57,195 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:36:57,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:36:57,207 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:36:57,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:36:57,212 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:36:57,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:36:57,225 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:36:57,226 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:36:57,226 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:36:57,229 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:36:57,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:36:57,232 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:36:57,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:36:57,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:36:57,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:36:57,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:36:57,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:36:57,241 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:36:57,242 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:36:57,242 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:36:57,242 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:36:57,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:36:57,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:36:57,253 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 15:36:57,301 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:36:57,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:36:57,304 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:36:57,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:36:57,305 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:36:57,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:36:57,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:36:57,306 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 15:36:57,306 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:36:57,306 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:36:57,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:36:57,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:36:57,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:36:57,309 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:36:57,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:36:57,309 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:36:57,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:36:57,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:36:57,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:36:57,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:36:57,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:36:57,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:36:57,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:36:57,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:36:57,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:36:57,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 15:36:57,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 15:36:57,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:36:57,313 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:36:57,313 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_0fe62fa1-48da-4200-be6c-0a4be60cb160/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-12-01 15:36:57,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:36:57,737 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:36:57,742 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:36:57,744 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:36:57,746 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:36:57,747 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-12-01 15:36:57,837 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/1897d632e/2f363319809045a083bc743bc8cbcbe5/FLAG6786984c9 [2020-12-01 15:36:58,480 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:36:58,481 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-12-01 15:36:58,492 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/1897d632e/2f363319809045a083bc743bc8cbcbe5/FLAG6786984c9 [2020-12-01 15:36:58,789 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/1897d632e/2f363319809045a083bc743bc8cbcbe5 [2020-12-01 15:36:58,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:36:58,795 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:36:58,802 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:36:58,802 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:36:58,806 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:36:58,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:36:58" (1/1) ... [2020-12-01 15:36:58,810 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8850c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:58, skipping insertion in model container [2020-12-01 15:36:58,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:36:58" (1/1) ... [2020-12-01 15:36:58,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:36:58,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:36:59,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:36:59,243 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:36:59,311 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:36:59,357 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:36:59,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59 WrapperNode [2020-12-01 15:36:59,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:36:59,360 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:36:59,360 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:36:59,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:36:59,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,386 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,453 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:36:59,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:36:59,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:36:59,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:36:59,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,490 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... [2020-12-01 15:36:59,589 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:36:59,602 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:36:59,602 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:36:59,602 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:36:59,604 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/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 [2020-12-01 15:36:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 15:36:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:36:59,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 15:36:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 15:36:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 15:36:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:36:59,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:36:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 15:36:59,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 15:36:59,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:37:00,814 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:37:00,814 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 15:37:00,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:37:00 BoogieIcfgContainer [2020-12-01 15:37:00,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:37:00,820 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:37:00,820 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:37:00,824 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:37:00,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:36:58" (1/3) ... [2020-12-01 15:37:00,826 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a872fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:37:00, skipping insertion in model container [2020-12-01 15:37:00,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:36:59" (2/3) ... [2020-12-01 15:37:00,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72a872fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:37:00, skipping insertion in model container [2020-12-01 15:37:00,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:37:00" (3/3) ... [2020-12-01 15:37:00,830 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-12-01 15:37:00,851 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:37:00,855 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:37:00,869 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:37:00,920 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:37:00,920 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:37:00,920 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:37:00,921 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:37:00,921 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:37:00,921 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:37:00,921 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:37:00,921 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:37:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-12-01 15:37:00,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:37:00,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:00,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:00,956 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:00,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:00,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 15:37:00,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:00,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [804310982] [2020-12-01 15:37:00,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:01,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:37:01,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:37:01,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [804310982] [2020-12-01 15:37:01,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:37:01,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 15:37:01,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1146635775] [2020-12-01 15:37:01,234 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:37:01,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 15:37:01,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:37:01,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:37:01,251 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-12-01 15:37:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:37:01,284 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-12-01 15:37:01,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:37:01,285 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 15:37:01,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:37:01,296 INFO L225 Difference]: With dead ends: 228 [2020-12-01 15:37:01,296 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 15:37:01,300 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 [2020-12-01 15:37:01,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 15:37:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 15:37:01,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 15:37:01,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 15:37:01,353 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 15:37:01,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:37:01,354 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 15:37:01,354 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:37:01,354 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 15:37:01,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:37:01,355 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:37:01,355 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:37:01,356 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 15:37:01,356 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:37:01,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:37:01,357 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 15:37:01,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 15:37:01,358 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123769100] [2020-12-01 15:37:01,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 15:37:01,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:37:01,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:37:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:37:01,548 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:37:01,584 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 15:37:01,585 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:37:01,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 15:37:01,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:37:01 BoogieIcfgContainer [2020-12-01 15:37:01,669 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:37:01,669 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:37:01,670 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:37:01,671 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:37:01,671 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:37:00" (3/4) ... [2020-12-01 15:37:01,675 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 15:37:01,675 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:37:01,680 INFO L168 Benchmark]: Toolchain (without parser) took 2881.26 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 83.1 MB in the end (delta: -4.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:37:01,682 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 33.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:37:01,684 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.86 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 81.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-12-01 15:37:01,685 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.07 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 78.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:37:01,686 INFO L168 Benchmark]: Boogie Preprocessor took 135.08 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 74.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:37:01,688 INFO L168 Benchmark]: RCFGBuilder took 1215.96 ms. Allocated memory is still 109.1 MB. Free memory was 74.7 MB in the beginning and 74.8 MB in the end (delta: -88.6 kB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-01 15:37:01,689 INFO L168 Benchmark]: TraceAbstraction took 848.83 ms. Allocated memory is still 109.1 MB. Free memory was 74.1 MB in the beginning and 83.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:37:01,690 INFO L168 Benchmark]: Witness Printer took 6.11 ms. Allocated memory is still 109.1 MB. Free memory is still 83.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:37:01,701 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 81.8 MB. Free memory was 40.8 MB in the beginning and 40.8 MB in the end (delta: 33.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 556.86 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 81.8 MB in the end (delta: -3.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 94.07 ms. Allocated memory is still 109.1 MB. Free memory was 81.8 MB in the beginning and 78.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 135.08 ms. Allocated memory is still 109.1 MB. Free memory was 78.3 MB in the beginning and 74.7 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1215.96 ms. Allocated memory is still 109.1 MB. Free memory was 74.7 MB in the beginning and 74.8 MB in the end (delta: -88.6 kB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 848.83 ms. Allocated memory is still 109.1 MB. Free memory was 74.1 MB in the beginning and 83.1 MB in the end (delta: -9.0 MB). Peak memory consumption was 39.0 MB. Max. memory is 16.1 GB. * Witness Printer took 6.11 ms. Allocated memory is still 109.1 MB. Free memory is still 83.1 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 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: 0.6s, 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, 0.1s 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 0.2.0-69874e2 [2020-12-01 15:37:04,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 15:37:04,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 15:37:04,576 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 15:37:04,577 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 15:37:04,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 15:37:04,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 15:37:04,583 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 15:37:04,585 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 15:37:04,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 15:37:04,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 15:37:04,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 15:37:04,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 15:37:04,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 15:37:04,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 15:37:04,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 15:37:04,610 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 15:37:04,612 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 15:37:04,614 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 15:37:04,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 15:37:04,628 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 15:37:04,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 15:37:04,631 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 15:37:04,633 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 15:37:04,637 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 15:37:04,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 15:37:04,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 15:37:04,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 15:37:04,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 15:37:04,647 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 15:37:04,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 15:37:04,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 15:37:04,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 15:37:04,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 15:37:04,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 15:37:04,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 15:37:04,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 15:37:04,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 15:37:04,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 15:37:04,657 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 15:37:04,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 15:37:04,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 15:37:04,705 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 15:37:04,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 15:37:04,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 15:37:04,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 15:37:04,708 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 15:37:04,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 15:37:04,708 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 15:37:04,709 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 15:37:04,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 15:37:04,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 15:37:04,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 15:37:04,710 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 15:37:04,710 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 15:37:04,710 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 15:37:04,710 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 15:37:04,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 15:37:04,711 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 15:37:04,711 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 15:37:04,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 15:37:04,711 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 15:37:04,712 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 15:37:04,712 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 15:37:04,712 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 15:37:04,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 15:37:04,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 15:37:04,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 15:37:04,713 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 15:37:04,713 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 15:37:04,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 15:37:04,714 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 15:37:04,714 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 15:37:04,714 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_0fe62fa1-48da-4200-be6c-0a4be60cb160/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-12-01 15:37:05,117 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 15:37:05,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 15:37:05,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 15:37:05,153 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 15:37:05,156 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 15:37:05,157 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-12-01 15:37:05,228 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/f84403b10/8238867d9b6345cd9e3574e2040558c5/FLAG0d66729ba [2020-12-01 15:37:05,815 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 15:37:05,815 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-12-01 15:37:05,832 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/f84403b10/8238867d9b6345cd9e3574e2040558c5/FLAG0d66729ba [2020-12-01 15:37:06,150 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/data/f84403b10/8238867d9b6345cd9e3574e2040558c5 [2020-12-01 15:37:06,158 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 15:37:06,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 15:37:06,164 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 15:37:06,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 15:37:06,170 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 15:37:06,170 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4490122 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06, skipping insertion in model container [2020-12-01 15:37:06,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,187 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 15:37:06,238 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 15:37:06,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:37:06,490 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 15:37:06,546 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 15:37:06,582 INFO L208 MainTranslator]: Completed translation [2020-12-01 15:37:06,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06 WrapperNode [2020-12-01 15:37:06,582 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 15:37:06,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 15:37:06,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 15:37:06,584 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 15:37:06,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,661 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 15:37:06,661 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 15:37:06,662 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 15:37:06,662 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 15:37:06,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,689 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,689 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... [2020-12-01 15:37:06,754 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 15:37:06,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 15:37:06,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 15:37:06,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 15:37:06,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/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 [2020-12-01 15:37:06,858 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 15:37:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 15:37:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 15:37:06,859 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 15:37:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 15:37:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 15:37:06,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 15:37:06,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 15:37:06,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 15:37:06,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 15:38:00,388 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 15:38:00,389 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-12-01 15:38:00,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:38:00 BoogieIcfgContainer [2020-12-01 15:38:00,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 15:38:00,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 15:38:00,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 15:38:00,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 15:38:00,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 03:37:06" (1/3) ... [2020-12-01 15:38:00,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74901c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:38:00, skipping insertion in model container [2020-12-01 15:38:00,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 03:37:06" (2/3) ... [2020-12-01 15:38:00,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74901c02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 03:38:00, skipping insertion in model container [2020-12-01 15:38:00,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:38:00" (3/3) ... [2020-12-01 15:38:00,401 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-12-01 15:38:00,414 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 15:38:00,417 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 15:38:00,429 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 15:38:00,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 15:38:00,455 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 15:38:00,455 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 15:38:00,455 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 15:38:00,455 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 15:38:00,456 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 15:38:00,456 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 15:38:00,456 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 15:38:00,471 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-12-01 15:38:00,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 15:38:00,477 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:00,478 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:00,478 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:00,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:00,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 15:38:00,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:38:00,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1787888869] [2020-12-01 15:38:00,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/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 [2020-12-01 15:38:00,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 15:38:01,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 15:38:01,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 15:38:01,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:38:01,067 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 15:38:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 15:38:01,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1787888869] [2020-12-01 15:38:01,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 15:38:01,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 15:38:01,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955381135] [2020-12-01 15:38:01,087 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 15:38:01,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 15:38:01,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 15:38:01,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 15:38:01,104 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-12-01 15:38:01,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 15:38:01,133 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-12-01 15:38:01,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 15:38:01,134 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 15:38:01,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 15:38:01,144 INFO L225 Difference]: With dead ends: 228 [2020-12-01 15:38:01,145 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 15:38:01,148 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 [2020-12-01 15:38:01,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 15:38:01,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 15:38:01,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 15:38:01,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 15:38:01,188 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 15:38:01,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 15:38:01,209 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 15:38:01,210 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 15:38:01,210 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 15:38:01,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 15:38:01,210 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 15:38:01,211 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 15:38:01,434 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 15:38:01,434 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 15:38:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 15:38:01,435 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 15:38:01,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 15:38:01,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [907322901] [2020-12-01 15:38:01,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/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 [2020-12-01 15:38:02,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:38:02,281 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:38:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 15:38:02,998 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 15:38:03,130 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 15:38:03,130 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 15:38:03,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 15:38:03,413 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 03:38:03 BoogieIcfgContainer [2020-12-01 15:38:03,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 15:38:03,417 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 15:38:03,417 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 15:38:03,417 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 15:38:03,418 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 03:38:00" (3/4) ... [2020-12-01 15:38:03,420 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 15:38:03,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_0fe62fa1-48da-4200-be6c-0a4be60cb160/bin/uautomizer/witness.graphml [2020-12-01 15:38:03,503 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 15:38:03,506 INFO L168 Benchmark]: Toolchain (without parser) took 57342.95 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 28.9 MB in the beginning and 25.5 MB in the end (delta: 3.4 MB). Peak memory consumption was 13.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,506 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 25.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 15:38:03,507 INFO L168 Benchmark]: CACSL2BoogieTranslator took 418.79 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 28.9 MB in the end (delta: -222.4 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,508 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.23 ms. Allocated memory is still 52.4 MB. Free memory was 28.9 MB in the beginning and 25.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,508 INFO L168 Benchmark]: Boogie Preprocessor took 98.80 ms. Allocated memory is still 52.4 MB. Free memory was 25.3 MB in the beginning and 21.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,509 INFO L168 Benchmark]: RCFGBuilder took 53630.45 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 35.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,510 INFO L168 Benchmark]: TraceAbstraction took 3023.07 ms. Allocated memory is still 62.9 MB. Free memory was 34.8 MB in the beginning and 30.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,510 INFO L168 Benchmark]: Witness Printer took 86.73 ms. Allocated memory is still 62.9 MB. Free memory was 30.0 MB in the beginning and 25.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 15:38:03,514 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 52.4 MB. Free memory was 34.2 MB in the beginning and 34.2 MB in the end (delta: 25.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 418.79 ms. Allocated memory is still 52.4 MB. Free memory was 28.7 MB in the beginning and 28.9 MB in the end (delta: -222.4 kB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 77.23 ms. Allocated memory is still 52.4 MB. Free memory was 28.9 MB in the beginning and 25.3 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 98.80 ms. Allocated memory is still 52.4 MB. Free memory was 25.3 MB in the beginning and 21.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 53630.45 ms. Allocated memory was 52.4 MB in the beginning and 62.9 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 35.2 MB in the end (delta: -13.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3023.07 ms. Allocated memory is still 62.9 MB. Free memory was 34.8 MB in the beginning and 30.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.0 MB. Max. memory is 16.1 GB. * Witness Printer took 86.73 ms. Allocated memory is still 62.9 MB. Free memory was 30.0 MB in the beginning and 25.5 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [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: 2.8s, 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, 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, 1.1s 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...