./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.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_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 ..................................................................................................................................................................................................................................................................................................................................... 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_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c -s /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/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 8d94564205655c2e8fe6741648a4c146e2f9a3c8 .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:25:55,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:25:55,583 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:25:55,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:25:55,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:25:55,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:25:55,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:25:55,650 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:25:55,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:25:55,662 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:25:55,663 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:25:55,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:25:55,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:25:55,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:25:55,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:25:55,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:25:55,678 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:25:55,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:25:55,687 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:25:55,695 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:25:55,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:25:55,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:25:55,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:25:55,703 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:25:55,715 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:25:55,715 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:25:55,716 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:25:55,718 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:25:55,719 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:25:55,720 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:25:55,720 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:25:55,721 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:25:55,724 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:25:55,725 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:25:55,727 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:25:55,727 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:25:55,728 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:25:55,729 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:25:55,729 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:25:55,730 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:25:55,731 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:25:55,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-29 22:25:55,779 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:25:55,780 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:25:55,782 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:25:55,782 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:25:55,782 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:25:55,783 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:25:55,783 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:25:55,783 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 22:25:55,784 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:25:55,784 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:25:55,785 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:25:55,785 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:25:55,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:25:55,794 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:25:55,794 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:25:55,794 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:25:55,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:25:55,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:25:55,795 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:25:55,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:25:55,795 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:25:55,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:25:55,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:25:55,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:25:55,796 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:25:55,796 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 22:25:55,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-29 22:25:55,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:25:55,797 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:25:55,797 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_6c122e61-1227-4811-a12e-a529815223d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-11-29 22:25:56,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:25:56,163 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:25:56,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:25:56,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:25:56,169 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:25:56,170 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-11-29 22:25:56,253 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/d388380ec/054ec968305e41d8ad9146461e125cc5/FLAG2be50508e [2020-11-29 22:25:56,890 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:25:56,890 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-11-29 22:25:56,921 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/d388380ec/054ec968305e41d8ad9146461e125cc5/FLAG2be50508e [2020-11-29 22:25:57,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/d388380ec/054ec968305e41d8ad9146461e125cc5 [2020-11-29 22:25:57,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:25:57,177 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:25:57,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:25:57,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:25:57,188 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:25:57,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c6e982b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57, skipping insertion in model container [2020-11-29 22:25:57,192 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,199 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:25:57,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:25:57,569 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:25:57,585 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:25:57,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:25:57,678 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:25:57,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57 WrapperNode [2020-11-29 22:25:57,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:25:57,680 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:25:57,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:25:57,681 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:25:57,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,781 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:25:57,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:25:57,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:25:57,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:25:57,796 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,817 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,823 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,845 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... [2020-11-29 22:25:57,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:25:57,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:25:57,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:25:57,867 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:25:57,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:25:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 22:25:57,975 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:25:57,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-11-29 22:25:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-29 22:25:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-11-29 22:25:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:25:57,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:25:57,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-29 22:25:57,979 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-11-29 22:25:57,981 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:25:59,201 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:25:59,201 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 22:25:59,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:25:59 BoogieIcfgContainer [2020-11-29 22:25:59,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:25:59,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:25:59,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:25:59,210 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:25:59,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:25:57" (1/3) ... [2020-11-29 22:25:59,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ac4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:25:59, skipping insertion in model container [2020-11-29 22:25:59,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:25:57" (2/3) ... [2020-11-29 22:25:59,211 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514ac4de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:25:59, skipping insertion in model container [2020-11-29 22:25:59,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:25:59" (3/3) ... [2020-11-29 22:25:59,212 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-11-29 22:25:59,221 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:25:59,226 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:25:59,250 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:25:59,277 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:25:59,277 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:25:59,278 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:25:59,278 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:25:59,278 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:25:59,278 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:25:59,278 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:25:59,278 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:25:59,295 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-29 22:25:59,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 22:25:59,300 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:25:59,301 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:25:59,302 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:25:59,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:25:59,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-11-29 22:25:59,318 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:25:59,318 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037328416] [2020-11-29 22:25:59,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:25:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:25:59,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:25:59,482 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037328416] [2020-11-29 22:25:59,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:25:59,484 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-29 22:25:59,485 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028835108] [2020-11-29 22:25:59,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:25:59,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-29 22:25:59,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:25:59,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:25:59,508 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-29 22:25:59,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:25:59,560 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-11-29 22:25:59,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:25:59,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 22:25:59,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:25:59,574 INFO L225 Difference]: With dead ends: 228 [2020-11-29 22:25:59,574 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 22:25:59,577 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:25:59,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 22:25:59,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 22:25:59,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 22:25:59,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-11-29 22:25:59,625 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-11-29 22:25:59,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:25:59,626 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-11-29 22:25:59,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:25:59,626 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-29 22:25:59,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:25:59,628 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:25:59,628 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:25:59,629 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-29 22:25:59,629 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:25:59,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:25:59,633 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-11-29 22:25:59,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-29 22:25:59,634 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427792206] [2020-11-29 22:25:59,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-29 22:25:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:25:59,809 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:25:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:25:59,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:25:59,953 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-29 22:25:59,954 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:25:59,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-29 22:26:00,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:26:00 BoogieIcfgContainer [2020-11-29 22:26:00,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:26:00,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:26:00,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:26:00,029 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:26:00,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:25:59" (3/4) ... [2020-11-29 22:26:00,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 22:26:00,033 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:26:00,037 INFO L168 Benchmark]: Toolchain (without parser) took 2857.26 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 64.6 MB in the beginning and 49.2 MB in the end (delta: 15.3 MB). Peak memory consumption was 38.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:00,038 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:26:00,039 INFO L168 Benchmark]: CACSL2BoogieTranslator took 501.14 ms. Allocated memory is still 86.0 MB. Free memory was 64.4 MB in the beginning and 49.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:00,040 INFO L168 Benchmark]: Boogie Procedure Inliner took 104.11 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 46.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:00,041 INFO L168 Benchmark]: Boogie Preprocessor took 79.58 ms. Allocated memory is still 86.0 MB. Free memory was 46.2 MB in the beginning and 42.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:00,042 INFO L168 Benchmark]: RCFGBuilder took 1335.75 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 42.7 MB in the beginning and 41.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:00,043 INFO L168 Benchmark]: TraceAbstraction took 822.27 ms. Allocated memory is still 109.1 MB. Free memory was 40.4 MB in the beginning and 50.0 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:26:00,044 INFO L168 Benchmark]: Witness Printer took 4.79 ms. Allocated memory is still 109.1 MB. Free memory is still 49.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:26:00,053 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 86.0 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 501.14 ms. Allocated memory is still 86.0 MB. Free memory was 64.4 MB in the beginning and 49.7 MB in the end (delta: 14.7 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 104.11 ms. Allocated memory is still 86.0 MB. Free memory was 49.7 MB in the beginning and 46.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 79.58 ms. Allocated memory is still 86.0 MB. Free memory was 46.2 MB in the beginning and 42.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1335.75 ms. Allocated memory was 86.0 MB in the beginning and 109.1 MB in the end (delta: 23.1 MB). Free memory was 42.7 MB in the beginning and 41.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 26.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 822.27 ms. Allocated memory is still 109.1 MB. Free memory was 40.4 MB in the beginning and 50.0 MB in the end (delta: -9.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 4.79 ms. Allocated memory is still 109.1 MB. Free memory is still 49.2 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 260. 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 = __VERIFIER_nondet_double(); [L253] double y = 0.0; 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] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.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, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-11-29 22:26:02,683 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 22:26:02,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 22:26:02,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 22:26:02,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 22:26:02,735 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 22:26:02,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 22:26:02,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 22:26:02,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 22:26:02,743 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 22:26:02,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 22:26:02,746 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 22:26:02,746 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 22:26:02,748 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 22:26:02,749 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 22:26:02,750 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 22:26:02,752 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 22:26:02,753 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 22:26:02,755 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 22:26:02,758 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 22:26:02,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 22:26:02,762 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 22:26:02,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 22:26:02,765 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 22:26:02,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 22:26:02,769 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 22:26:02,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 22:26:02,771 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 22:26:02,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 22:26:02,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 22:26:02,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 22:26:02,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 22:26:02,775 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 22:26:02,776 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 22:26:02,777 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 22:26:02,778 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 22:26:02,779 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 22:26:02,779 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 22:26:02,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 22:26:02,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 22:26:02,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 22:26:02,786 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-11-29 22:26:02,836 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 22:26:02,836 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 22:26:02,838 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 22:26:02,838 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 22:26:02,838 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 22:26:02,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 22:26:02,839 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 22:26:02,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 22:26:02,839 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 22:26:02,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-29 22:26:02,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-29 22:26:02,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-29 22:26:02,840 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-29 22:26:02,841 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-29 22:26:02,841 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 22:26:02,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 22:26:02,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 22:26:02,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-29 22:26:02,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 22:26:02,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 22:26:02,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-29 22:26:02,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-29 22:26:02,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:26:02,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 22:26:02,847 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-29 22:26:02,847 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-29 22:26:02,848 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-11-29 22:26:02,848 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-29 22:26:02,849 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-29 22:26:02,864 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 22:26:02,864 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-29 22:26:02,865 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_6c122e61-1227-4811-a12e-a529815223d5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d94564205655c2e8fe6741648a4c146e2f9a3c8 [2020-11-29 22:26:03,277 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 22:26:03,319 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 22:26:03,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 22:26:03,324 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 22:26:03,324 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 22:26:03,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/../../sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-11-29 22:26:03,400 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/45dddefd1/b98e5ec0698040119bc628c7b32d2e81/FLAGa90f9d362 [2020-11-29 22:26:04,077 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 22:26:04,085 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/sv-benchmarks/c/float-newlib/double_req_bl_0660b.c [2020-11-29 22:26:04,096 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/45dddefd1/b98e5ec0698040119bc628c7b32d2e81/FLAGa90f9d362 [2020-11-29 22:26:04,439 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/data/45dddefd1/b98e5ec0698040119bc628c7b32d2e81 [2020-11-29 22:26:04,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 22:26:04,444 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 22:26:04,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 22:26:04,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 22:26:04,452 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 22:26:04,453 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:04,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a039e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04, skipping insertion in model container [2020-11-29 22:26:04,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:04,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 22:26:04,514 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 22:26:04,740 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:26:04,761 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 22:26:04,846 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 22:26:04,880 INFO L208 MainTranslator]: Completed translation [2020-11-29 22:26:04,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04 WrapperNode [2020-11-29 22:26:04,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 22:26:04,882 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 22:26:04,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 22:26:04,883 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 22:26:04,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:04,908 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:04,969 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 22:26:04,970 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 22:26:04,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 22:26:04,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 22:26:04,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:04,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:04,999 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:05,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:05,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:05,065 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:05,070 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... [2020-11-29 22:26:05,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 22:26:05,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 22:26:05,078 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 22:26:05,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 22:26:05,079 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-29 22:26:05,197 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-11-29 22:26:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-11-29 22:26:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-29 22:26:05,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 22:26:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-11-29 22:26:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-29 22:26:05,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 22:26:05,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 22:26:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-29 22:26:05,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-29 22:26:44,672 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 22:26:44,673 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-11-29 22:26:44,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:26:44 BoogieIcfgContainer [2020-11-29 22:26:44,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 22:26:44,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-29 22:26:44,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-29 22:26:44,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-29 22:26:44,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 10:26:04" (1/3) ... [2020-11-29 22:26:44,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2685597d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:26:44, skipping insertion in model container [2020-11-29 22:26:44,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 10:26:04" (2/3) ... [2020-11-29 22:26:44,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2685597d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 10:26:44, skipping insertion in model container [2020-11-29 22:26:44,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:26:44" (3/3) ... [2020-11-29 22:26:44,682 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660b.c [2020-11-29 22:26:44,692 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-29 22:26:44,696 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-29 22:26:44,710 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-29 22:26:44,745 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-29 22:26:44,746 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-29 22:26:44,746 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-29 22:26:44,746 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 22:26:44,746 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 22:26:44,746 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-29 22:26:44,747 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 22:26:44,747 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-29 22:26:44,767 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-11-29 22:26:44,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-11-29 22:26:44,774 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:44,775 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:44,776 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:44,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:44,781 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-11-29 22:26:44,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:26:44,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1274261701] [2020-11-29 22:26:44,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-11-29 22:26:45,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-29 22:26:45,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-11-29 22:26:45,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-29 22:26:45,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:26:45,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-29 22:26:45,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-29 22:26:45,354 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1274261701] [2020-11-29 22:26:45,355 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-29 22:26:45,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-11-29 22:26:45,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289520147] [2020-11-29 22:26:45,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-29 22:26:45,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-11-29 22:26:45,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-29 22:26:45,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:26:45,399 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-11-29 22:26:45,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-29 22:26:45,457 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-11-29 22:26:45,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-29 22:26:45,459 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-11-29 22:26:45,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-29 22:26:45,473 INFO L225 Difference]: With dead ends: 228 [2020-11-29 22:26:45,474 INFO L226 Difference]: Without dead ends: 111 [2020-11-29 22:26:45,478 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-29 22:26:45,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-11-29 22:26:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-11-29 22:26:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-11-29 22:26:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-11-29 22:26:45,539 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-11-29 22:26:45,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-29 22:26:45,540 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-11-29 22:26:45,540 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-11-29 22:26:45,540 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-11-29 22:26:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-29 22:26:45,542 INFO L414 BasicCegarLoop]: Found error trace [2020-11-29 22:26:45,542 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-29 22:26:45,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-29 22:26:45,756 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-29 22:26:45,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-29 22:26:45,758 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-11-29 22:26:45,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-11-29 22:26:45,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816127749] [2020-11-29 22:26:45,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-11-29 22:26:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:26:46,655 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:26:47,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-29 22:26:47,433 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-29 22:26:47,558 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-11-29 22:26:47,558 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-29 22:26:47,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-29 22:26:47,857 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 10:26:47 BoogieIcfgContainer [2020-11-29 22:26:47,857 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-29 22:26:47,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 22:26:47,858 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 22:26:47,859 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 22:26:47,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 10:26:44" (3/4) ... [2020-11-29 22:26:47,862 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-11-29 22:26:47,972 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_6c122e61-1227-4811-a12e-a529815223d5/bin/uautomizer/witness.graphml [2020-11-29 22:26:47,973 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 22:26:47,975 INFO L168 Benchmark]: Toolchain (without parser) took 43530.75 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 57.5 MB in the beginning and 33.4 MB in the end (delta: 24.0 MB). Peak memory consumption was 47.9 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,976 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 73.4 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 22:26:47,977 INFO L168 Benchmark]: CACSL2BoogieTranslator took 433.92 ms. Allocated memory is still 73.4 MB. Free memory was 57.5 MB in the beginning and 41.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,981 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.79 ms. Allocated memory is still 73.4 MB. Free memory was 41.5 MB in the beginning and 37.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,981 INFO L168 Benchmark]: Boogie Preprocessor took 107.27 ms. Allocated memory is still 73.4 MB. Free memory was 37.7 MB in the beginning and 34.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,982 INFO L168 Benchmark]: RCFGBuilder took 39597.25 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 33.7 MB in the beginning and 63.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,983 INFO L168 Benchmark]: TraceAbstraction took 3181.11 ms. Allocated memory is still 98.6 MB. Free memory was 62.9 MB in the beginning and 38.1 MB in the end (delta: 24.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,984 INFO L168 Benchmark]: Witness Printer took 115.01 ms. Allocated memory is still 98.6 MB. Free memory was 38.1 MB in the beginning and 33.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-29 22:26:47,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 73.4 MB. Free memory is still 55.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 433.92 ms. Allocated memory is still 73.4 MB. Free memory was 57.5 MB in the beginning and 41.5 MB in the end (delta: 16.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.79 ms. Allocated memory is still 73.4 MB. Free memory was 41.5 MB in the beginning and 37.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 107.27 ms. Allocated memory is still 73.4 MB. Free memory was 37.7 MB in the beginning and 34.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39597.25 ms. Allocated memory was 73.4 MB in the beginning and 98.6 MB in the end (delta: 25.2 MB). Free memory was 33.7 MB in the beginning and 63.8 MB in the end (delta: -30.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3181.11 ms. Allocated memory is still 98.6 MB. Free memory was 62.9 MB in the beginning and 38.1 MB in the end (delta: 24.8 MB). Peak memory consumption was 23.7 MB. Max. memory is 16.1 GB. * Witness Printer took 115.01 ms. Allocated memory is still 98.6 MB. Free memory was 38.1 MB in the beginning and 33.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L252] double x = __VERIFIER_nondet_double(); [L253] double y = 0.0; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L255] COND TRUE x < 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] [L257] double res = __ieee754_atan2(y, x); [L260] COND TRUE res != pi 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_0660b.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s 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...