./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_0662a.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 519903e17542784e3e5f15e156d1440c82e3f912 ...................................................................................................................................................................................................................................................................................................................................... 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_0662a.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 519903e17542784e3e5f15e156d1440c82e3f912 ................................................................................................................................................................................................................................................................................................................................................. 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 0.2.0-5485861 [2020-10-25 21:48:47,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:48:47,029 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:48:47,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:48:47,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:48:47,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:48:47,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:48:47,080 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:48:47,082 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:48:47,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:48:47,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:48:47,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:48:47,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:48:47,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:48:47,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:48:47,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:48:47,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:48:47,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:48:47,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:48:47,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:48:47,099 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:48:47,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:48:47,102 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:48:47,103 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:48:47,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:48:47,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:48:47,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:48:47,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:48:47,117 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:48:47,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:48:47,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:48:47,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:48:47,122 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:48:47,124 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:48:47,125 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:48:47,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:48:47,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:48:47,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:48:47,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:48:47,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:48:47,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:48:47,133 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:48:47,187 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:48:47,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:48:47,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:48:47,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:48:47,190 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:48:47,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:48:47,191 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:48:47,191 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:48:47,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:48:47,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:48:47,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:48:47,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:48:47,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:48:47,192 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:48:47,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:48:47,193 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:48:47,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:48:47,193 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:48:47,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:48:47,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:48:47,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:48:47,194 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:47,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:48:47,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:48:47,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:48:47,195 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:48:47,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:48:47,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:48:47,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:48:47,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 519903e17542784e3e5f15e156d1440c82e3f912 [2020-10-25 21:48:47,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:48:47,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:48:47,603 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:48:47,605 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:48:47,608 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:48:47,609 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-10-25 21:48:47,698 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0340535/47a9a89e901049228a3ba853e9f1f4d4/FLAG7b79fbcb0 [2020-10-25 21:48:48,257 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:48:48,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-10-25 21:48:48,268 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0340535/47a9a89e901049228a3ba853e9f1f4d4/FLAG7b79fbcb0 [2020-10-25 21:48:48,597 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e0340535/47a9a89e901049228a3ba853e9f1f4d4 [2020-10-25 21:48:48,600 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:48:48,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:48:48,622 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:48,622 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:48:48,638 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:48:48,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:48" (1/1) ... [2020-10-25 21:48:48,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@305bc0c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:48, skipping insertion in model container [2020-10-25 21:48:48,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:48" (1/1) ... [2020-10-25 21:48:48,673 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:48:48,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:48:48,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:48,974 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:48:49,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:49,061 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:48:49,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49 WrapperNode [2020-10-25 21:48:49,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:49,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:49,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:48:49,073 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:48:49,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,099 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,144 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:49,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:48:49,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:48:49,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:48:49,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,167 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,167 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,203 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,208 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (1/1) ... [2020-10-25 21:48:49,215 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:48:49,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:48:49,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:48:49,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:48:49,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (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 [2020-10-25 21:48:49,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:48:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:48:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:48:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:48:49,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:48:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:48:49,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:48:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:48:49,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:48:49,316 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:48:50,248 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:48:50,249 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-25 21:48:50,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:50 BoogieIcfgContainer [2020-10-25 21:48:50,251 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:48:50,252 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:48:50,253 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:48:50,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:48:50,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:48:48" (1/3) ... [2020-10-25 21:48:50,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c38d0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:50, skipping insertion in model container [2020-10-25 21:48:50,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:49" (2/3) ... [2020-10-25 21:48:50,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c38d0c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:50, skipping insertion in model container [2020-10-25 21:48:50,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:50" (3/3) ... [2020-10-25 21:48:50,260 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2020-10-25 21:48:50,270 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:48:50,275 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:48:50,288 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:48:50,323 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:48:50,323 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:48:50,324 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:48:50,324 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:48:50,324 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:48:50,324 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:48:50,324 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:48:50,324 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:48:50,342 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-25 21:48:50,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:48:50,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:48:50,349 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:48:50,350 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:48:50,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:48:50,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-25 21:48:50,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:48:50,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737957116] [2020-10-25 21:48:50,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:48:50,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:48:50,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:48:50,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737957116] [2020-10-25 21:48:50,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:48:50,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:48:50,536 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673360049] [2020-10-25 21:48:50,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:48:50,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:48:50,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:48:50,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:48:50,558 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-25 21:48:50,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:48:50,596 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-25 21:48:50,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:48:50,600 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:48:50,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:48:50,628 INFO L225 Difference]: With dead ends: 228 [2020-10-25 21:48:50,628 INFO L226 Difference]: Without dead ends: 111 [2020-10-25 21:48:50,632 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 [2020-10-25 21:48:50,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-25 21:48:50,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-25 21:48:50,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 21:48:50,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-25 21:48:50,679 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-25 21:48:50,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:48:50,680 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-25 21:48:50,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:48:50,680 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-25 21:48:50,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 21:48:50,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:48:50,681 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:48:50,681 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:48:50,681 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:48:50,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:48:50,682 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-25 21:48:50,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:48:50,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047016224] [2020-10-25 21:48:50,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:48:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:48:50,794 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:48:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:48:50,905 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:48:50,938 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:48:50,939 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:48:50,940 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:48:50,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:48:50 BoogieIcfgContainer [2020-10-25 21:48:50,984 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:48:50,985 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:48:50,985 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:48:50,985 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:48:50,986 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:50" (3/4) ... [2020-10-25 21:48:50,990 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:48:50,990 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:48:50,993 INFO L168 Benchmark]: Toolchain (without parser) took 2389.59 ms. Allocated memory was 39.8 MB in the beginning and 67.1 MB in the end (delta: 27.3 MB). Free memory was 15.7 MB in the beginning and 33.8 MB in the end (delta: -18.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:50,994 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.1 MB in the end (delta: 16.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:50,995 INFO L168 Benchmark]: CACSL2BoogieTranslator took 441.11 ms. Allocated memory is still 54.5 MB. Free memory was 38.9 MB in the beginning and 24.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:50,996 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.46 ms. Allocated memory is still 54.5 MB. Free memory was 37.9 MB in the beginning and 34.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:50,997 INFO L168 Benchmark]: Boogie Preprocessor took 70.65 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 31.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:50,998 INFO L168 Benchmark]: RCFGBuilder took 1034.14 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 31.8 MB in the end (delta: -843.1 kB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:50,999 INFO L168 Benchmark]: TraceAbstraction took 731.93 ms. Allocated memory is still 67.1 MB. Free memory was 31.5 MB in the beginning and 34.2 MB in the end (delta: -2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:51,000 INFO L168 Benchmark]: Witness Printer took 5.10 ms. Allocated memory is still 67.1 MB. Free memory was 34.2 MB in the beginning and 33.8 MB in the end (delta: 399.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:51,005 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 39.8 MB. Free memory was 25.1 MB in the beginning and 25.1 MB in the end (delta: 16.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 441.11 ms. Allocated memory is still 54.5 MB. Free memory was 38.9 MB in the beginning and 24.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.46 ms. Allocated memory is still 54.5 MB. Free memory was 37.9 MB in the beginning and 34.4 MB in the end (delta: 3.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 70.65 ms. Allocated memory is still 54.5 MB. Free memory was 34.4 MB in the beginning and 31.0 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1034.14 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 31.0 MB in the beginning and 31.8 MB in the end (delta: -843.1 kB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 731.93 ms. Allocated memory is still 67.1 MB. Free memory was 31.5 MB in the beginning and 34.2 MB in the end (delta: -2.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.10 ms. Allocated memory is still 67.1 MB. Free memory was 34.2 MB in the beginning and 33.8 MB in the end (delta: 399.0 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 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != -pi_o_2 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L3] __assert_fail("0", "double_req_bl_0662a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-5485861 [2020-10-25 21:48:53,525 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:48:53,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:48:53,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:48:53,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:48:53,587 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:48:53,590 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:48:53,597 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:48:53,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:48:53,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:48:53,608 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:48:53,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:48:53,613 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:48:53,616 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:48:53,618 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:48:53,619 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:48:53,621 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:48:53,623 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:48:53,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:48:53,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:48:53,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:48:53,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:48:53,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:48:53,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:48:53,651 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:48:53,651 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:48:53,651 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:48:53,654 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:48:53,655 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:48:53,656 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:48:53,656 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:48:53,657 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:48:53,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:48:53,660 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:48:53,661 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:48:53,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:48:53,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:48:53,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:48:53,663 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:48:53,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:48:53,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:48:53,667 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:48:53,727 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:48:53,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:48:53,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:48:53,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:48:53,731 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:48:53,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:48:53,732 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:48:53,732 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:48:53,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:48:53,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:48:53,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:48:53,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:48:53,734 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:48:53,734 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:48:53,734 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:48:53,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:48:53,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:48:53,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:48:53,735 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:48:53,735 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:48:53,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:48:53,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:48:53,736 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:53,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:48:53,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:48:53,737 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:48:53,737 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:48:53,737 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:48:53,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:48:53,738 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:48:53,738 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:48:53,738 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 519903e17542784e3e5f15e156d1440c82e3f912 [2020-10-25 21:48:54,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:48:54,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:48:54,193 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:48:54,195 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:48:54,196 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:48:54,197 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-10-25 21:48:54,264 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb5f4a16/c068bb6057334a61940936f8f8483196/FLAGd4e328990 [2020-10-25 21:48:54,921 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:48:54,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0662a.c [2020-10-25 21:48:54,936 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb5f4a16/c068bb6057334a61940936f8f8483196/FLAGd4e328990 [2020-10-25 21:48:55,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecb5f4a16/c068bb6057334a61940936f8f8483196 [2020-10-25 21:48:55,275 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:48:55,283 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:48:55,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:55,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:48:55,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:48:55,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,294 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da9e062 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55, skipping insertion in model container [2020-10-25 21:48:55,295 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,303 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:48:55,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:48:55,583 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:55,604 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:48:55,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:55,734 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:48:55,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55 WrapperNode [2020-10-25 21:48:55,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:55,736 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:55,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:48:55,737 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:48:55,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:55,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:48:55,836 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:48:55,836 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:48:55,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,858 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,859 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,888 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,918 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (1/1) ... [2020-10-25 21:48:55,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:48:55,943 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:48:55,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:48:55,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:48:55,946 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (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 [2020-10-25 21:48:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:48:56,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:48:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:48:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:48:56,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:48:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:48:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:48:56,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:48:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:48:56,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:35,095 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:35,097 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-25 21:49:35,100 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:35 BoogieIcfgContainer [2020-10-25 21:49:35,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:35,104 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:35,104 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:35,108 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:35,108 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:48:55" (1/3) ... [2020-10-25 21:49:35,109 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a952c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:35, skipping insertion in model container [2020-10-25 21:49:35,110 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:55" (2/3) ... [2020-10-25 21:49:35,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a952c41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:35, skipping insertion in model container [2020-10-25 21:49:35,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:35" (3/3) ... [2020-10-25 21:49:35,117 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0662a.c [2020-10-25 21:49:35,135 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:35,141 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:35,156 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:35,204 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:35,204 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:35,204 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:35,205 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:35,205 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:35,205 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:35,205 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:35,206 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:35,235 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-25 21:49:35,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:49:35,242 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:35,243 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:35,243 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:35,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:35,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-25 21:49:35,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:49:35,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [578646153] [2020-10-25 21:49:35,277 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 [2020-10-25 21:49:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:35,857 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:49:35,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:49:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:35,888 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:49:35,904 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:35,906 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [578646153] [2020-10-25 21:49:35,907 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:35,907 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:49:35,908 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464664495] [2020-10-25 21:49:35,914 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:35,914 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:49:35,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:35,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:35,936 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-25 21:49:35,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:35,996 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-25 21:49:35,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:35,997 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:49:35,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:36,010 INFO L225 Difference]: With dead ends: 228 [2020-10-25 21:49:36,010 INFO L226 Difference]: Without dead ends: 111 [2020-10-25 21:49:36,014 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 [2020-10-25 21:49:36,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-25 21:49:36,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-25 21:49:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 21:49:36,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-25 21:49:36,062 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-25 21:49:36,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:36,063 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-25 21:49:36,063 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-25 21:49:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 21:49:36,064 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:36,064 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:36,279 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:49:36,280 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:36,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:36,282 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-25 21:49:36,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:49:36,283 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1080388328] [2020-10-25 21:49:36,283 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 [2020-10-25 21:49:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:37,076 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:37,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:37,845 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:37,973 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:49:37,973 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:38,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:49:38,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:38 BoogieIcfgContainer [2020-10-25 21:49:38,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:38,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:38,238 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:38,239 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:38,239 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:35" (3/4) ... [2020-10-25 21:49:38,242 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:49:38,328 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:49:38,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:38,332 INFO L168 Benchmark]: Toolchain (without parser) took 43052.18 ms. Allocated memory was 46.1 MB in the beginning and 69.2 MB in the end (delta: 23.1 MB). Free memory was 22.5 MB in the beginning and 27.2 MB in the end (delta: -4.7 MB). Peak memory consumption was 20.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,333 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 24.1 MB in the beginning and 24.1 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:38,337 INFO L168 Benchmark]: CACSL2BoogieTranslator took 450.56 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 27.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.56 ms. Allocated memory is still 56.6 MB. Free memory was 27.5 MB in the beginning and 38.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,338 INFO L168 Benchmark]: Boogie Preprocessor took 106.28 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 35.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,341 INFO L168 Benchmark]: RCFGBuilder took 39157.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.0 MB in the beginning and 46.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,342 INFO L168 Benchmark]: TraceAbstraction took 3133.88 ms. Allocated memory is still 69.2 MB. Free memory was 45.8 MB in the beginning and 31.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,342 INFO L168 Benchmark]: Witness Printer took 89.66 ms. Allocated memory is still 69.2 MB. Free memory was 31.4 MB in the beginning and 27.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:38,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 46.1 MB. Free memory was 24.1 MB in the beginning and 24.1 MB in the end (delta: 42.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 450.56 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.9 MB in the beginning and 27.5 MB in the end (delta: -5.6 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 98.56 ms. Allocated memory is still 56.6 MB. Free memory was 27.5 MB in the beginning and 38.8 MB in the end (delta: -11.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.28 ms. Allocated memory is still 56.6 MB. Free memory was 38.8 MB in the beginning and 35.0 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 39157.84 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 35.0 MB in the beginning and 46.2 MB in the end (delta: -11.2 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3133.88 ms. Allocated memory is still 69.2 MB. Free memory was 45.8 MB in the beginning and 31.4 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 16.1 GB. * Witness Printer took 89.66 ms. Allocated memory is still 69.2 MB. Free memory was 31.4 MB in the beginning and 27.2 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y < 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != -pi_o_2 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L3] __assert_fail("0", "double_req_bl_0662a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...