./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 351a41b333a03034af243bf6ecb848a7608d7ac0 ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 351a41b333a03034af243bf6ecb848a7608d7ac0 ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:07:35,697 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:07:35,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:07:35,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:07:35,778 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:07:35,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:07:35,785 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:07:35,790 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:07:35,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:07:35,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:07:35,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:07:35,806 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:07:35,807 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:07:35,812 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:07:35,816 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:07:35,820 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:07:35,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:07:35,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:07:35,832 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:07:35,837 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:07:35,841 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:07:35,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:07:35,849 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:07:35,853 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:07:35,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:07:35,860 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:07:35,861 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:07:35,865 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:07:35,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:07:35,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:07:35,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:07:35,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:07:35,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:07:35,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:07:35,883 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:07:35,884 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:07:35,887 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:07:35,890 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:07:35,891 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:07:35,896 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:07:35,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:07:35,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:07:36,012 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:07:36,014 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:07:36,021 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:07:36,022 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:07:36,023 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:07:36,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:07:36,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:07:36,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:07:36,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:07:36,025 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:07:36,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:07:36,028 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:07:36,028 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:07:36,029 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:07:36,029 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:07:36,029 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:07:36,029 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:07:36,030 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:07:36,030 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:07:36,030 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:07:36,031 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:07:36,031 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:07:36,031 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:07:36,032 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:07:36,032 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:07:36,032 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:07:36,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:07:36,033 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:07:36,033 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:07:36,034 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2020-10-24 23:07:36,687 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:07:36,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:07:36,750 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:07:36,752 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:07:36,753 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:07:36,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2020-10-24 23:07:36,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429e9dd44/e53c8df2d15b4396929de0110cc4f715/FLAG4d94ace2a [2020-10-24 23:07:37,678 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:07:37,680 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2020-10-24 23:07:37,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429e9dd44/e53c8df2d15b4396929de0110cc4f715/FLAG4d94ace2a [2020-10-24 23:07:38,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/429e9dd44/e53c8df2d15b4396929de0110cc4f715 [2020-10-24 23:07:38,006 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:07:38,015 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:07:38,042 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:38,043 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:07:38,054 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:07:38,055 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be8e55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38, skipping insertion in model container [2020-10-24 23:07:38,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,106 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:07:38,146 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:07:38,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:38,534 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:07:38,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:38,717 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:07:38,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38 WrapperNode [2020-10-24 23:07:38,720 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:38,723 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:38,739 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:07:38,740 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:07:38,761 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,851 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:38,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:07:38,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:07:38,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:07:38,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,920 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,921 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:38,990 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:39,018 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:39,023 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... [2020-10-24 23:07:39,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:07:39,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:07:39,037 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:07:39,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:07:39,039 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:07:39,174 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:07:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:07:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:07:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:07:39,175 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:07:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:07:39,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:07:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:07:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:07:39,176 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:07:41,347 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:07:41,349 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:07:41,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:07:41 BoogieIcfgContainer [2020-10-24 23:07:41,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:07:41,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:07:41,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:07:41,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:07:41,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:07:38" (1/3) ... [2020-10-24 23:07:41,382 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18877ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:07:41, skipping insertion in model container [2020-10-24 23:07:41,383 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:38" (2/3) ... [2020-10-24 23:07:41,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18877ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:07:41, skipping insertion in model container [2020-10-24 23:07:41,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:07:41" (3/3) ... [2020-10-24 23:07:41,391 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2020-10-24 23:07:41,434 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:07:41,448 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:07:41,486 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:07:41,600 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:07:41,600 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:07:41,601 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:07:41,601 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:07:41,602 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:07:41,602 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:07:41,603 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:07:41,603 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:07:41,667 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:07:41,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:07:41,683 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:07:41,686 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:07:41,688 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:07:41,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:07:41,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-24 23:07:41,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:07:41,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924806797] [2020-10-24 23:07:41,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:07:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:07:42,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:07:42,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924806797] [2020-10-24 23:07:42,403 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:07:42,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:07:42,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297146899] [2020-10-24 23:07:42,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:07:42,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:07:42,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:07:42,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:07:42,472 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:07:42,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:07:42,606 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-24 23:07:42,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:07:42,612 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:07:42,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:07:42,672 INFO L225 Difference]: With dead ends: 228 [2020-10-24 23:07:42,674 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:07:42,693 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:07:42,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:07:42,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:07:42,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:07:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-24 23:07:42,854 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-24 23:07:42,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:07:42,858 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-24 23:07:42,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:07:42,859 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-24 23:07:42,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:07:42,864 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:07:42,865 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:07:42,866 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:07:42,867 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:07:42,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:07:42,873 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-24 23:07:42,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:07:42,877 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597555505] [2020-10-24 23:07:42,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:07:43,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:07:43,151 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:07:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:07:43,268 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:07:43,383 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:07:43,384 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:07:43,387 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:07:43,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:07:43 BoogieIcfgContainer [2020-10-24 23:07:43,536 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:07:43,538 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:07:43,538 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:07:43,539 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:07:43,541 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:07:41" (3/4) ... [2020-10-24 23:07:43,548 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:07:43,548 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:07:43,553 INFO L168 Benchmark]: Toolchain (without parser) took 5541.18 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 20.9 MB in the beginning and 34.6 MB in the end (delta: -13.7 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:43,554 INFO L168 Benchmark]: CDTParser took 0.39 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 21.9 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:07:43,555 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.45 ms. Allocated memory is still 54.5 MB. Free memory was 39.8 MB in the beginning and 25.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:43,557 INFO L168 Benchmark]: Boogie Procedure Inliner took 128.97 ms. Allocated memory is still 54.5 MB. Free memory was 25.4 MB in the beginning and 35.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:43,558 INFO L168 Benchmark]: Boogie Preprocessor took 180.71 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 31.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:43,559 INFO L168 Benchmark]: RCFGBuilder took 2323.62 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 32.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:07:43,560 INFO L168 Benchmark]: TraceAbstraction took 2172.01 ms. Allocated memory is still 67.1 MB. Free memory was 32.6 MB in the beginning and 35.0 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:07:43,561 INFO L168 Benchmark]: Witness Printer took 10.87 ms. Allocated memory is still 67.1 MB. Free memory was 35.0 MB in the beginning and 34.6 MB in the end (delta: 400.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:07:43,568 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39 ms. Allocated memory is still 44.0 MB. Free memory was 22.0 MB in the beginning and 21.9 MB in the end (delta: 52.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 679.45 ms. Allocated memory is still 54.5 MB. Free memory was 39.8 MB in the beginning and 25.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 128.97 ms. Allocated memory is still 54.5 MB. Free memory was 25.4 MB in the beginning and 35.3 MB in the end (delta: -9.9 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 180.71 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 31.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2323.62 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.9 MB in the beginning and 32.9 MB in the end (delta: -1.0 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2172.01 ms. Allocated memory is still 67.1 MB. Free memory was 32.6 MB in the beginning and 35.0 MB in the end (delta: -2.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 10.87 ms. Allocated memory is still 67.1 MB. Free memory was 35.0 MB in the beginning and 34.6 MB in the end (delta: 400.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 253, 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_0660a.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: 1.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.2s, 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.2s 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 [2020-10-24 23:07:47,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:07:47,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:07:47,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:07:47,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:07:47,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:07:47,554 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:07:47,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:07:47,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:07:47,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:07:47,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:07:47,565 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:07:47,565 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:07:47,567 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:07:47,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:07:47,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:07:47,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:07:47,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:07:47,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:07:47,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:07:47,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:07:47,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:07:47,584 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:07:47,585 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:07:47,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:07:47,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:07:47,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:07:47,592 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:07:47,593 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:07:47,594 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:07:47,595 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:07:47,596 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:07:47,597 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:07:47,599 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:07:47,613 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:07:47,614 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:07:47,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:07:47,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:07:47,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:07:47,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:07:47,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:07:47,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:07:47,652 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:07:47,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:07:47,655 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:07:47,655 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:07:47,655 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:07:47,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:07:47,656 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:07:47,656 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:07:47,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:07:47,657 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:07:47,657 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:07:47,658 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:07:47,658 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:07:47,658 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:07:47,659 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:07:47,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:07:47,659 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:07:47,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:07:47,660 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:07:47,660 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:07:47,660 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:07:47,661 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:07:47,661 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:07:47,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:07:47,662 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:07:47,662 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:07:47,662 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:07:47,663 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:07:47,663 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:07:47,663 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:07:47,664 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:07:47,664 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 351a41b333a03034af243bf6ecb848a7608d7ac0 [2020-10-24 23:07:48,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:07:48,189 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:07:48,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:07:48,197 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:07:48,198 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:07:48,199 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2020-10-24 23:07:48,289 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5939fec34/9c04ad62b7ba4d7da03344ae96669ac3/FLAG05462ba42 [2020-10-24 23:07:49,394 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:07:49,396 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0660a.c [2020-10-24 23:07:49,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5939fec34/9c04ad62b7ba4d7da03344ae96669ac3/FLAG05462ba42 [2020-10-24 23:07:49,552 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5939fec34/9c04ad62b7ba4d7da03344ae96669ac3 [2020-10-24 23:07:49,564 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:07:49,579 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:07:49,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:49,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:07:49,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:07:49,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:49" (1/1) ... [2020-10-24 23:07:49,613 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3600a767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:49, skipping insertion in model container [2020-10-24 23:07:49,613 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:07:49" (1/1) ... [2020-10-24 23:07:49,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:07:49,722 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:07:50,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:50,339 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:07:50,547 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:07:50,654 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:07:50,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50 WrapperNode [2020-10-24 23:07:50,656 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:07:50,664 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:50,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:07:50,669 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:07:50,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:50,751 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:50,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:07:50,839 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:07:50,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:07:50,840 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:07:50,864 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:50,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:50,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:50,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:50,957 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:51,024 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:51,042 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... [2020-10-24 23:07:51,063 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:07:51,069 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:07:51,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:07:51,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:07:51,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:07:51,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:07:51,232 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:07:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:07:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:07:51,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:07:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:07:51,234 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:07:51,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:07:51,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:07:51,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:08:34,035 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:08:34,035 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-24 23:08:34,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:34 BoogieIcfgContainer [2020-10-24 23:08:34,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:08:34,045 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:08:34,045 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:08:34,050 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:08:34,050 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:07:49" (1/3) ... [2020-10-24 23:08:34,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4569fae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:34, skipping insertion in model container [2020-10-24 23:08:34,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:07:50" (2/3) ... [2020-10-24 23:08:34,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4569fae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:34, skipping insertion in model container [2020-10-24 23:08:34,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:34" (3/3) ... [2020-10-24 23:08:34,056 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0660a.c [2020-10-24 23:08:34,074 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:08:34,082 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:08:34,104 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:08:34,168 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:08:34,168 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:08:34,168 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:08:34,168 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:08:34,168 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:08:34,169 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:08:34,169 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:08:34,169 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:08:34,203 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-24 23:08:34,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-24 23:08:34,214 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:34,215 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:34,216 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:34,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:34,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-24 23:08:34,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:08:34,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429643550] [2020-10-24 23:08:34,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:08:34,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:08:34,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:08:34,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:08:34,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:08:34,994 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:08:35,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:08:35,002 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429643550] [2020-10-24 23:08:35,004 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:08:35,004 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:08:35,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65120891] [2020-10-24 23:08:35,015 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:08:35,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:08:35,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:08:35,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:08:35,050 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-24 23:08:35,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:08:35,110 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-24 23:08:35,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:08:35,112 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-24 23:08:35,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:08:35,135 INFO L225 Difference]: With dead ends: 228 [2020-10-24 23:08:35,136 INFO L226 Difference]: Without dead ends: 111 [2020-10-24 23:08:35,144 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 [2020-10-24 23:08:35,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-24 23:08:35,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-24 23:08:35,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-24 23:08:35,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-24 23:08:35,224 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-24 23:08:35,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:08:35,225 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-24 23:08:35,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:08:35,226 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-24 23:08:35,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-24 23:08:35,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:35,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:35,441 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:08:35,442 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:35,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:35,445 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-24 23:08:35,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:08:35,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1213147963] [2020-10-24 23:08:35,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:08:36,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:36,651 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:37,590 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:37,797 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:08:37,799 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:08:38,017 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:08:38,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:08:38 BoogieIcfgContainer [2020-10-24 23:08:38,182 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:08:38,184 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:08:38,184 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:08:38,185 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:08:38,186 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:34" (3/4) ... [2020-10-24 23:08:38,190 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:08:38,363 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:08:38,363 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:08:38,367 INFO L168 Benchmark]: Toolchain (without parser) took 48797.35 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 34.4 MB in the beginning and 45.5 MB in the end (delta: -11.0 MB). Peak memory consumption was 10.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,368 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 37.7 MB. Free memory was 20.1 MB in the beginning and 20.1 MB in the end (delta: 22.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:08:38,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1072.77 ms. Allocated memory is still 56.6 MB. Free memory was 33.8 MB in the beginning and 32.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 170.49 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 29.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,370 INFO L168 Benchmark]: Boogie Preprocessor took 224.55 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 39.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,371 INFO L168 Benchmark]: RCFGBuilder took 42970.84 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 39.6 MB in the beginning and 45.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,372 INFO L168 Benchmark]: TraceAbstraction took 4137.19 ms. Allocated memory is still 75.5 MB. Free memory was 44.6 MB in the beginning and 50.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,372 INFO L168 Benchmark]: Witness Printer took 179.04 ms. Allocated memory is still 75.5 MB. Free memory was 50.3 MB in the beginning and 45.5 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:38,377 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 37.7 MB. Free memory was 20.1 MB in the beginning and 20.1 MB in the end (delta: 22.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1072.77 ms. Allocated memory is still 56.6 MB. Free memory was 33.8 MB in the beginning and 32.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 170.49 ms. Allocated memory is still 56.6 MB. Free memory was 32.8 MB in the beginning and 29.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 224.55 ms. Allocated memory is still 56.6 MB. Free memory was 29.1 MB in the beginning and 39.6 MB in the end (delta: -10.5 MB). Peak memory consumption was 8.8 MB. Max. memory is 16.1 GB. * RCFGBuilder took 42970.84 ms. Allocated memory was 56.6 MB in the beginning and 75.5 MB in the end (delta: 18.9 MB). Free memory was 39.6 MB in the beginning and 45.2 MB in the end (delta: -5.6 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4137.19 ms. Allocated memory is still 75.5 MB. Free memory was 44.6 MB in the beginning and 50.3 MB in the end (delta: -5.7 MB). Peak memory consumption was 24.8 MB. Max. memory is 16.1 GB. * Witness Printer took 179.04 ms. Allocated memory is still 75.5 MB. Free memory was 50.3 MB in the beginning and 45.5 MB in the end (delta: 4.9 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_0660a.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: 3.8s, 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, 1.6s 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...