./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d 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_1.3.100.v20150511-1540.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_0680b.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 fde0eb35cf23814e4040eccb9c957e33daaeadbf .............................................................................................................................................................................................................................................................................................................................. 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_1.3.100.v20150511-1540.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_0680b.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 fde0eb35cf23814e4040eccb9c957e33daaeadbf ................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.25-9a8b2e8 [2020-10-20 00:29:03,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:29:03,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:29:03,102 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:29:03,103 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:29:03,114 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:29:03,117 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:29:03,121 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:29:03,124 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:29:03,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:29:03,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:29:03,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:29:03,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:29:03,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:29:03,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:29:03,139 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:29:03,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:29:03,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:29:03,145 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:29:03,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:29:03,156 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:29:03,159 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:29:03,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:29:03,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:29:03,174 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:29:03,176 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:29:03,176 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:29:03,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:29:03,179 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:29:03,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:29:03,180 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:03,181 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:03,182 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:03,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:03,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:03,186 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:03,187 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:03,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:03,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:03,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:03,190 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:03,191 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:29:03,235 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:03,235 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:03,237 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:03,238 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:03,238 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:03,238 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:03,238 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:03,239 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:29:03,239 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:03,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:03,241 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:03,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:03,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:03,242 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:03,242 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:03,242 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:03,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:03,243 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:03,243 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:03,243 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:03,244 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:03,244 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:03,244 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:03,244 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:03,245 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:03,245 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:29:03,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:29:03,245 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:03,246 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:03,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> fde0eb35cf23814e4040eccb9c957e33daaeadbf [2020-10-20 00:29:03,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:03,507 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:03,512 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:03,514 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:03,515 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:03,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-20 00:29:03,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe89d8621/693ffa21b1d04f2a8ee83029a8c71326/FLAG0291b16c6 [2020-10-20 00:29:04,075 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:04,076 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-20 00:29:04,088 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe89d8621/693ffa21b1d04f2a8ee83029a8c71326/FLAG0291b16c6 [2020-10-20 00:29:04,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fe89d8621/693ffa21b1d04f2a8ee83029a8c71326 [2020-10-20 00:29:04,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:04,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:04,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:04,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:04,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:04,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:04" (1/1) ... [2020-10-20 00:29:04,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2941967f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:04, skipping insertion in model container [2020-10-20 00:29:04,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:04" (1/1) ... [2020-10-20 00:29:04,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:04,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:04,915 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:04,932 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:04,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:05,010 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:05,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05 WrapperNode [2020-10-20 00:29:05,011 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:05,012 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:05,012 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:05,012 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:05,022 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,101 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:05,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:05,104 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:05,104 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:05,118 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,127 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,152 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,163 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,168 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (1/1) ... [2020-10-20 00:29:05,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:05,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:05,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:05,176 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:05,177 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (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 [2020-10-20 00:29:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:29:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:29:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:29:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:29:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:05,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:29:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:29:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:06,189 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:06,189 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:06,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:06 BoogieIcfgContainer [2020-10-20 00:29:06,194 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:06,195 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:06,196 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:06,200 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:06,201 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:04" (1/3) ... [2020-10-20 00:29:06,203 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3c9203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:06, skipping insertion in model container [2020-10-20 00:29:06,203 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:05" (2/3) ... [2020-10-20 00:29:06,204 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3c9203 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:06, skipping insertion in model container [2020-10-20 00:29:06,204 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:06" (3/3) ... [2020-10-20 00:29:06,207 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2020-10-20 00:29:06,223 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:06,234 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:06,276 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:06,329 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:06,329 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:06,329 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:06,330 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:06,330 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:06,340 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:06,347 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:06,347 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:06,367 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 00:29:06,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:29:06,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:06,374 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:06,374 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:06,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:06,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-20 00:29:06,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:06,389 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215394474] [2020-10-20 00:29:06,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:06,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:06,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:06,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215394474] [2020-10-20 00:29:06,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:06,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:29:06,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1072948769] [2020-10-20 00:29:06,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:06,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:29:06,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:06,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:06,592 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 00:29:06,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:06,628 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-20 00:29:06,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:06,630 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:29:06,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:06,644 INFO L225 Difference]: With dead ends: 225 [2020-10-20 00:29:06,644 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 00:29:06,648 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 [2020-10-20 00:29:06,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 00:29:06,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 00:29:06,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 00:29:06,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-20 00:29:06,699 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-20 00:29:06,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:06,699 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-20 00:29:06,700 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:06,700 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-20 00:29:06,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:29:06,701 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:06,701 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:06,701 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:29:06,702 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:06,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:06,702 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-20 00:29:06,703 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:06,703 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469526217] [2020-10-20 00:29:06,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:06,847 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:06,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:06,952 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:07,010 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:29:07,010 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:07,012 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:29:07,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:07 BoogieIcfgContainer [2020-10-20 00:29:07,066 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:07,067 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:07,067 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:07,067 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:07,068 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:06" (3/4) ... [2020-10-20 00:29:07,072 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:29:07,073 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:07,076 INFO L168 Benchmark]: Toolchain (without parser) took 2595.69 ms. Allocated memory was 38.3 MB in the beginning and 54.0 MB in the end (delta: 15.7 MB). Free memory was 15.6 MB in the beginning and 15.1 MB in the end (delta: 491.7 kB). Peak memory consumption was 16.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,077 INFO L168 Benchmark]: CDTParser took 0.87 ms. Allocated memory is still 37.2 MB. Free memory was 19.3 MB in the beginning and 19.3 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,078 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.59 ms. Allocated memory was 38.3 MB in the beginning and 48.2 MB in the end (delta: 10.0 MB). Free memory was 14.7 MB in the beginning and 23.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,079 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.59 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 20.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,080 INFO L168 Benchmark]: Boogie Preprocessor took 73.11 ms. Allocated memory is still 48.2 MB. Free memory was 20.0 MB in the beginning and 16.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,081 INFO L168 Benchmark]: RCFGBuilder took 1018.77 ms. Allocated memory was 48.2 MB in the beginning and 51.4 MB in the end (delta: 3.1 MB). Free memory was 16.1 MB in the beginning and 15.3 MB in the end (delta: 807.3 kB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,082 INFO L168 Benchmark]: TraceAbstraction took 871.06 ms. Allocated memory was 51.4 MB in the beginning and 54.0 MB in the end (delta: 2.6 MB). Free memory was 15.0 MB in the beginning and 15.5 MB in the end (delta: -508.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,083 INFO L168 Benchmark]: Witness Printer took 5.99 ms. Allocated memory is still 54.0 MB. Free memory was 15.5 MB in the beginning and 15.1 MB in the end (delta: 416.4 kB). Peak memory consumption was 416.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:07,089 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.87 ms. Allocated memory is still 37.2 MB. Free memory was 19.3 MB in the beginning and 19.3 MB in the end (delta: 3.1 kB). Peak memory consumption was 3.1 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 525.59 ms. Allocated memory was 38.3 MB in the beginning and 48.2 MB in the end (delta: 10.0 MB). Free memory was 14.7 MB in the beginning and 23.8 MB in the end (delta: -9.0 MB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 89.59 ms. Allocated memory is still 48.2 MB. Free memory was 23.8 MB in the beginning and 20.0 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 73.11 ms. Allocated memory is still 48.2 MB. Free memory was 20.0 MB in the beginning and 16.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 14.3 GB. * RCFGBuilder took 1018.77 ms. Allocated memory was 48.2 MB in the beginning and 51.4 MB in the end (delta: 3.1 MB). Free memory was 16.1 MB in the beginning and 15.3 MB in the end (delta: 807.3 kB). Peak memory consumption was 9.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 871.06 ms. Allocated memory was 51.4 MB in the beginning and 54.0 MB in the end (delta: 2.6 MB). Free memory was 15.0 MB in the beginning and 15.5 MB in the end (delta: -508.4 kB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. * Witness Printer took 5.99 ms. Allocated memory is still 54.0 MB. Free memory was 15.5 MB in the beginning and 15.1 MB in the end (delta: 416.4 kB). Peak memory consumption was 416.4 kB. Max. memory is 14.3 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 257. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -0.0; [L254] double 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] [L255] double res = __ieee754_atan2(y, x); [L257] 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_0680b.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:09,303 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:29:09,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:29:09,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-20 00:29:09,375 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:09,376 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:09,377 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:09,378 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:09,379 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:09,379 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:09,380 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:09,380 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:09,380 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:09,381 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:09,382 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:09,383 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:29:09,426 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:09,426 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:09,430 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:09,430 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:09,430 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:09,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:09,431 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:09,431 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:09,431 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:09,432 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:09,432 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:09,433 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:09,433 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:29:09,434 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:29:09,434 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:09,434 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:09,435 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:09,435 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:09,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:09,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:09,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:09,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:09,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:09,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:09,438 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:09,438 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:09,438 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:29:09,438 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:29:09,439 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:09,439 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:09,439 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:29:09,439 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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 -> fde0eb35cf23814e4040eccb9c957e33daaeadbf [2020-10-20 00:29:09,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:09,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:09,666 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:09,667 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:09,668 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:09,669 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-20 00:29:09,745 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825465218/c3cd7a2c9013451e8c40cc81da736324/FLAGfb4bbbc6e [2020-10-20 00:29:10,257 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:10,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680b.c [2020-10-20 00:29:10,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825465218/c3cd7a2c9013451e8c40cc81da736324/FLAGfb4bbbc6e [2020-10-20 00:29:10,609 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/825465218/c3cd7a2c9013451e8c40cc81da736324 [2020-10-20 00:29:10,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:10,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:10,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:10,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:10,626 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:10,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:10" (1/1) ... [2020-10-20 00:29:10,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73a5af14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:10, skipping insertion in model container [2020-10-20 00:29:10,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:10" (1/1) ... [2020-10-20 00:29:10,639 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:10,667 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:10,998 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:11,018 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:11,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:11,131 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:11,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11 WrapperNode [2020-10-20 00:29:11,132 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:11,133 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:11,133 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:11,134 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:11,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,163 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:11,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:11,226 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:11,226 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:11,237 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,275 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,291 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (1/1) ... [2020-10-20 00:29:11,299 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:11,300 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:11,300 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:11,300 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:11,301 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (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 [2020-10-20 00:29:11,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:29:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:29:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:29:11,390 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:29:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:29:11,391 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:11,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:29:11,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:50,426 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:50,426 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-20 00:29:50,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:50 BoogieIcfgContainer [2020-10-20 00:29:50,429 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:50,430 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:50,430 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:50,434 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:50,435 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:10" (1/3) ... [2020-10-20 00:29:50,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7010617b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:50, skipping insertion in model container [2020-10-20 00:29:50,436 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:11" (2/3) ... [2020-10-20 00:29:50,436 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7010617b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:50, skipping insertion in model container [2020-10-20 00:29:50,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:50" (3/3) ... [2020-10-20 00:29:50,438 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680b.c [2020-10-20 00:29:50,451 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:50,460 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:50,473 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:50,499 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:50,500 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:50,500 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:50,500 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:50,500 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:50,501 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:50,501 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:50,501 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:50,521 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states. [2020-10-20 00:29:50,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-20 00:29:50,528 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:50,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:50,530 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:50,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:50,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-10-20 00:29:50,552 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:50,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1447004391] [2020-10-20 00:29:50,569 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 [2020-10-20 00:29:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:50,996 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:29:51,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:29:51,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:51,018 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:29:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:51,022 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1447004391] [2020-10-20 00:29:51,036 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:51,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:29:51,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500281577] [2020-10-20 00:29:51,042 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:51,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:29:51,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:51,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:51,060 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 2 states. [2020-10-20 00:29:51,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:51,111 INFO L93 Difference]: Finished difference Result 225 states and 379 transitions. [2020-10-20 00:29:51,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:51,113 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-10-20 00:29:51,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:51,137 INFO L225 Difference]: With dead ends: 225 [2020-10-20 00:29:51,137 INFO L226 Difference]: Without dead ends: 110 [2020-10-20 00:29:51,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:51,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-20 00:29:51,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-10-20 00:29:51,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-10-20 00:29:51,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-10-20 00:29:51,191 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-10-20 00:29:51,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:51,191 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-10-20 00:29:51,192 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:51,192 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-10-20 00:29:51,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-20 00:29:51,193 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:51,193 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:51,407 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:29:51,407 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:51,408 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-10-20 00:29:51,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:51,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [861841108] [2020-10-20 00:29:51,410 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 [2020-10-20 00:29:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:51,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 00:29:51,864 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:29:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:52,225 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:29:52,406 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 00:29:52,650 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 00:29:52,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:52,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [861841108] [2020-10-20 00:29:52,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:52,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-20 00:29:52,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009822560] [2020-10-20 00:29:52,823 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-20 00:29:52,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:29:52,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-20 00:29:52,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:29:52,825 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand 12 states. [2020-10-20 00:29:56,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:56,540 INFO L93 Difference]: Finished difference Result 176 states and 244 transitions. [2020-10-20 00:29:56,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:29:56,541 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2020-10-20 00:29:56,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:56,543 INFO L225 Difference]: With dead ends: 176 [2020-10-20 00:29:56,544 INFO L226 Difference]: Without dead ends: 86 [2020-10-20 00:29:56,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-20 00:29:56,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-20 00:29:56,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-10-20 00:29:56,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-20 00:29:56,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-10-20 00:29:56,560 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 12 [2020-10-20 00:29:56,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:56,561 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-10-20 00:29:56,561 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-20 00:29:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-10-20 00:29:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-20 00:29:56,562 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:56,563 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:56,776 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:29:56,777 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:56,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:56,778 INFO L82 PathProgramCache]: Analyzing trace with hash 810615587, now seen corresponding path program 1 times [2020-10-20 00:29:56,779 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:29:56,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [615695023] [2020-10-20 00:29:56,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:29:57,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:57,607 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:58,411 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:58,538 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:29:58,538 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:58,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:29:58,844 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:58 BoogieIcfgContainer [2020-10-20 00:29:58,845 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:58,845 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:58,845 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:58,846 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:58,846 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:50" (3/4) ... [2020-10-20 00:29:58,848 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:29:58,973 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:29:58,974 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:58,976 INFO L168 Benchmark]: Toolchain (without parser) took 48361.21 ms. Allocated memory was 34.6 MB in the beginning and 57.1 MB in the end (delta: 22.5 MB). Free memory was 14.0 MB in the beginning and 13.5 MB in the end (delta: 493.0 kB). Peak memory consumption was 23.0 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,977 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 33.6 MB. Free memory was 9.6 MB in the beginning and 9.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,983 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.05 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 13.1 MB in the beginning and 17.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.98 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 16.8 MB in the beginning and 24.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,988 INFO L168 Benchmark]: Boogie Preprocessor took 74.14 ms. Allocated memory is still 45.6 MB. Free memory was 24.6 MB in the beginning and 20.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,988 INFO L168 Benchmark]: RCFGBuilder took 39128.89 ms. Allocated memory was 45.6 MB in the beginning and 49.3 MB in the end (delta: 3.7 MB). Free memory was 20.5 MB in the beginning and 17.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,989 INFO L168 Benchmark]: TraceAbstraction took 8415.02 ms. Allocated memory was 49.3 MB in the beginning and 57.1 MB in the end (delta: 7.9 MB). Free memory was 17.3 MB in the beginning and 19.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,990 INFO L168 Benchmark]: Witness Printer took 128.63 ms. Allocated memory is still 57.1 MB. Free memory was 19.9 MB in the beginning and 13.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:58,998 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 33.6 MB. Free memory was 9.6 MB in the beginning and 9.6 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 510.05 ms. Allocated memory was 34.6 MB in the beginning and 44.0 MB in the end (delta: 9.4 MB). Free memory was 13.1 MB in the beginning and 17.0 MB in the end (delta: -3.9 MB). Peak memory consumption was 11.7 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 91.98 ms. Allocated memory was 44.0 MB in the beginning and 45.6 MB in the end (delta: 1.6 MB). Free memory was 16.8 MB in the beginning and 24.9 MB in the end (delta: -8.1 MB). Peak memory consumption was 4.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 74.14 ms. Allocated memory is still 45.6 MB. Free memory was 24.6 MB in the beginning and 20.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 39128.89 ms. Allocated memory was 45.6 MB in the beginning and 49.3 MB in the end (delta: 3.7 MB). Free memory was 20.5 MB in the beginning and 17.7 MB in the end (delta: 2.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 8415.02 ms. Allocated memory was 49.3 MB in the beginning and 57.1 MB in the end (delta: 7.9 MB). Free memory was 17.3 MB in the beginning and 19.9 MB in the end (delta: -2.6 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. * Witness Printer took 128.63 ms. Allocated memory is still 57.1 MB. Free memory was 19.9 MB in the beginning and 13.5 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 14.3 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 = 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 FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) 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] [L166] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L168] m = ((hy >> 31) & 1) | ((hx >> 30) & 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] [L170] COND FALSE !((iy | ly) == 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] [L182] COND TRUE (ix | lx) == 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] [L183] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 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] [L183] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L255] double res = __ieee754_atan2(y, x); [L257] 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_0680b.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, 114 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 8.2s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 305 SDslu, 502 SDs, 0 SdLazy, 30 SolverSat, 4 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 15 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 13 QuantifiedInterpolants, 4947 SizeOfPredicates, 16 NumberOfNonLiveVariables, 254 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...