./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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_0681a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42a2b09bf764c955809dc95e1d3b096fa07a0419 .......................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -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_0681a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 42a2b09bf764c955809dc95e1d3b096fa07a0419 ................................................................................................................................................................................................................................................................................................................................................................................................. 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-c1f4b5c [2019-12-08 15:47:15,231 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:15,233 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:15,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:47:15,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:47:15,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:47:15,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:47:15,250 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:47:15,252 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:47:15,253 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:47:15,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:47:15,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:47:15,256 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:15,257 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:15,259 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:15,260 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:15,261 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:15,262 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:15,264 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:15,266 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:15,268 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:15,269 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:15,270 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:15,271 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:15,274 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:47:15,274 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:47:15,274 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:47:15,275 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:47:15,276 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:47:15,277 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:47:15,277 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:15,278 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:15,279 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:15,280 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:15,281 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:15,281 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:15,282 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:15,283 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:15,283 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:15,284 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:15,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:15,286 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:47:15,300 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:15,301 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:15,302 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:15,303 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:15,303 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:15,303 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:15,303 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:15,304 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:47:15,304 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:15,304 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:15,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:15,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:15,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:15,305 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:15,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:15,306 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:15,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:15,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:15,307 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:15,307 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:15,307 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:15,308 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:15,308 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:15,308 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:15,308 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:15,309 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:47:15,309 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:47:15,309 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:15,310 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:15,310 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(__VERIFIER_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 -> 42a2b09bf764c955809dc95e1d3b096fa07a0419 [2019-12-08 15:47:15,618 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:15,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:15,635 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:15,637 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:15,637 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:15,638 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-08 15:47:15,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d72b7ab8/1a305f5e28054e32b79b12181bd3a3f5/FLAGaf4be6f0f [2019-12-08 15:47:16,194 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:16,196 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-08 15:47:16,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d72b7ab8/1a305f5e28054e32b79b12181bd3a3f5/FLAGaf4be6f0f [2019-12-08 15:47:16,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3d72b7ab8/1a305f5e28054e32b79b12181bd3a3f5 [2019-12-08 15:47:16,584 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:16,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:16,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:16,588 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:16,592 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:16,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,596 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33605376 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16, skipping insertion in model container [2019-12-08 15:47:16,596 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,605 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:16,659 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:17,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:17,056 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:17,118 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:17,143 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:17,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17 WrapperNode [2019-12-08 15:47:17,143 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:17,144 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:17,144 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:17,144 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:17,153 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:17,240 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:17,240 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:17,240 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:17,250 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,317 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (1/1) ... [2019-12-08 15:47:17,333 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:17,334 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:17,334 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:17,334 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:17,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (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 [2019-12-08 15:47:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:47:17,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:47:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:47:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:47:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:47:17,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:18,475 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:18,476 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-08 15:47:18,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:18 BoogieIcfgContainer [2019-12-08 15:47:18,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:18,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:18,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:18,484 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:18,484 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:16" (1/3) ... [2019-12-08 15:47:18,485 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8b893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:18, skipping insertion in model container [2019-12-08 15:47:18,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:17" (2/3) ... [2019-12-08 15:47:18,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f8b893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:18, skipping insertion in model container [2019-12-08 15:47:18,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:18" (3/3) ... [2019-12-08 15:47:18,488 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2019-12-08 15:47:18,498 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:18,506 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:18,521 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:18,556 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:18,557 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:18,557 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:18,558 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:18,558 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:18,558 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:18,559 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:18,559 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:18,575 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-12-08 15:47:18,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-08 15:47:18,582 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:18,583 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:18,584 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:18,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:18,589 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2019-12-08 15:47:18,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:18,599 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572582168] [2019-12-08 15:47:18,600 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:18,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:47:18,760 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572582168] [2019-12-08 15:47:18,761 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:18,761 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:47:18,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52267134] [2019-12-08 15:47:18,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:18,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:47:18,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:18,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:18,786 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-12-08 15:47:18,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:18,822 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2019-12-08 15:47:18,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:18,824 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-08 15:47:18,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:18,838 INFO L225 Difference]: With dead ends: 234 [2019-12-08 15:47:18,838 INFO L226 Difference]: Without dead ends: 115 [2019-12-08 15:47:18,842 INFO L631 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 [2019-12-08 15:47:18,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-08 15:47:18,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-08 15:47:18,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-08 15:47:18,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-08 15:47:18,889 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2019-12-08 15:47:18,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:18,889 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-08 15:47:18,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:18,889 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-08 15:47:18,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-08 15:47:18,890 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:18,890 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:18,891 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:18,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:18,891 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2019-12-08 15:47:18,891 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:18,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809469701] [2019-12-08 15:47:18,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:19,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:19,128 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:47:19,128 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:47:19,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:19 BoogieIcfgContainer [2019-12-08 15:47:19,174 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:47:19,174 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:47:19,174 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:47:19,174 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:47:19,175 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:18" (3/4) ... [2019-12-08 15:47:19,179 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:47:19,179 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:47:19,182 INFO L168 Benchmark]: Toolchain (without parser) took 2595.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 963.0 MB in the beginning and 1.0 GB in the end (delta: -58.4 MB). Peak memory consumption was 82.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:19,183 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:19,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 556.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:19,184 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:19,185 INFO L168 Benchmark]: Boogie Preprocessor took 93.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:19,186 INFO L168 Benchmark]: RCFGBuilder took 1143.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:19,187 INFO L168 Benchmark]: TraceAbstraction took 693.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:19,188 INFO L168 Benchmark]: Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:19,192 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 556.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 963.0 MB in the beginning and 1.1 GB in the end (delta: -155.3 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.63 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 93.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1143.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 693.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 32.7 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Witness Printer took 5.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 268]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 52, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 267. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L263] double x = 0.0; [L264] double y = 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L267] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L268] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 118 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 167 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=118occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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-c1f4b5c [2019-12-08 15:47:21,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:21,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:21,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-12-08 15:47:21,145 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:21,146 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:21,147 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:21,148 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:21,149 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:21,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:21,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:21,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:21,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:21,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:21,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:21,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:21,161 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-08 15:47:21,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:21,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:21,166 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:21,167 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:21,168 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:21,168 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:21,169 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:21,169 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:21,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:21,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:21,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:21,173 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:47:21,188 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:21,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:21,189 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:21,190 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:21,190 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:21,190 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:21,191 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:21,191 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:21,191 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:21,191 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:21,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:21,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:21,192 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:47:21,192 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:47:21,193 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:21,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:21,193 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:21,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:21,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:21,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:21,194 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:21,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:21,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:21,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:21,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:21,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:21,196 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:47:21,196 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:47:21,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:21,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:21,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:47:21,197 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(__VERIFIER_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 -> 42a2b09bf764c955809dc95e1d3b096fa07a0419 [2019-12-08 15:47:21,521 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:21,537 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:21,540 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:21,542 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:21,542 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:21,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-08 15:47:21,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2f88e8d/7775f16bfe2a4ac492d4b3bc350a9d47/FLAG55dde8a15 [2019-12-08 15:47:22,067 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:22,069 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2019-12-08 15:47:22,080 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2f88e8d/7775f16bfe2a4ac492d4b3bc350a9d47/FLAG55dde8a15 [2019-12-08 15:47:22,381 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8e2f88e8d/7775f16bfe2a4ac492d4b3bc350a9d47 [2019-12-08 15:47:22,385 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:22,389 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:22,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:22,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:22,394 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:22,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6172b4b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22, skipping insertion in model container [2019-12-08 15:47:22,399 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,407 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:22,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:22,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:22,849 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:22,921 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:22,955 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:22,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22 WrapperNode [2019-12-08 15:47:22,955 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:22,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:22,956 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:22,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:22,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:23,036 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:23,036 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:23,036 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:23,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,058 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,136 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:23,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:23,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:23,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:23,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:23,150 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (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 [2019-12-08 15:47:23,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:47:23,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:47:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:47:23,229 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:47:23,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:23,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:47:23,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:48:02,695 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:48:02,695 INFO L287 CfgBuilder]: Removed 48 assume(true) statements. [2019-12-08 15:48:02,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:02 BoogieIcfgContainer [2019-12-08 15:48:02,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:48:02,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:48:02,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:48:02,702 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:48:02,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:22" (1/3) ... [2019-12-08 15:48:02,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0d1fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:48:02, skipping insertion in model container [2019-12-08 15:48:02,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (2/3) ... [2019-12-08 15:48:02,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0d1fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:48:02, skipping insertion in model container [2019-12-08 15:48:02,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:02" (3/3) ... [2019-12-08 15:48:02,706 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2019-12-08 15:48:02,717 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:48:02,725 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:48:02,736 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:48:02,763 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:48:02,763 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:48:02,764 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:48:02,764 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:48:02,765 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:48:02,765 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:48:02,765 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:48:02,765 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:48:02,784 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states. [2019-12-08 15:48:02,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-08 15:48:02,791 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:02,792 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:02,792 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:02,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:02,797 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2019-12-08 15:48:02,807 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:02,808 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1823694023] [2019-12-08 15:48:02,808 INFO L94 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 [2019-12-08 15:48:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:48:03,220 INFO L264 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:48:03,224 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:48:03,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:03,239 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:48:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:03,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1823694023] [2019-12-08 15:48:03,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:48:03,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:48:03,246 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729230080] [2019-12-08 15:48:03,251 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:48:03,252 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:48:03,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:48:03,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:48:03,267 INFO L87 Difference]: Start difference. First operand 118 states. Second operand 2 states. [2019-12-08 15:48:03,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:48:03,300 INFO L93 Difference]: Finished difference Result 234 states and 394 transitions. [2019-12-08 15:48:03,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:48:03,302 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2019-12-08 15:48:03,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:48:03,316 INFO L225 Difference]: With dead ends: 234 [2019-12-08 15:48:03,316 INFO L226 Difference]: Without dead ends: 115 [2019-12-08 15:48:03,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:48:03,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2019-12-08 15:48:03,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2019-12-08 15:48:03,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-12-08 15:48:03,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2019-12-08 15:48:03,370 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2019-12-08 15:48:03,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:48:03,370 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2019-12-08 15:48:03,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:48:03,371 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2019-12-08 15:48:03,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-08 15:48:03,372 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:03,372 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:03,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:48:03,585 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:03,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:03,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2019-12-08 15:48:03,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:03,588 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [556992397] [2019-12-08 15:48:03,589 INFO L94 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 [2019-12-08 15:48:03,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:48:04,020 INFO L264 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-08 15:48:04,024 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:48:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:04,374 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:48:04,557 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:04,895 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:05,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:05,104 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [556992397] [2019-12-08 15:48:05,105 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:48:05,105 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-08 15:48:05,105 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036670167] [2019-12-08 15:48:05,107 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-08 15:48:05,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:48:05,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-08 15:48:05,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-08 15:48:05,109 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 12 states. [2019-12-08 15:48:07,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:48:07,231 INFO L93 Difference]: Finished difference Result 171 states and 238 transitions. [2019-12-08 15:48:07,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-08 15:48:07,232 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2019-12-08 15:48:07,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:48:07,233 INFO L225 Difference]: With dead ends: 171 [2019-12-08 15:48:07,233 INFO L226 Difference]: Without dead ends: 76 [2019-12-08 15:48:07,235 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-12-08 15:48:07,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-12-08 15:48:07,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2019-12-08 15:48:07,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-12-08 15:48:07,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2019-12-08 15:48:07,247 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 13 [2019-12-08 15:48:07,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:48:07,247 INFO L462 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2019-12-08 15:48:07,247 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-08 15:48:07,248 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2019-12-08 15:48:07,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-08 15:48:07,249 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:07,249 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:07,463 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:48:07,464 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:07,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:07,465 INFO L82 PathProgramCache]: Analyzing trace with hash -640703133, now seen corresponding path program 1 times [2019-12-08 15:48:07,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:07,467 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [12095491] [2019-12-08 15:48:07,467 INFO L94 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 [2019-12-08 15:48:08,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:48:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:48:09,040 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:48:09,040 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:48:09,242 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-08 15:48:09,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:48:09 BoogieIcfgContainer [2019-12-08 15:48:09,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:48:09,343 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:48:09,344 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:48:09,344 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:48:09,345 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:02" (3/4) ... [2019-12-08 15:48:09,347 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:48:09,474 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:48:09,475 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:48:09,477 INFO L168 Benchmark]: Toolchain (without parser) took 47089.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 961.7 MB in the beginning and 876.2 MB in the end (delta: 85.5 MB). Peak memory consumption was 217.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,478 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:48:09,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,487 INFO L168 Benchmark]: Boogie Preprocessor took 111.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,490 INFO L168 Benchmark]: RCFGBuilder took 39548.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,491 INFO L168 Benchmark]: TraceAbstraction took 6644.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 882.9 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,491 INFO L168 Benchmark]: Witness Printer took 131.49 ms. Allocated memory is still 1.2 GB. Free memory was 882.9 MB in the beginning and 876.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:09,500 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.74 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.4 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.60 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 111.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 39548.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 73.5 MB). Peak memory consumption was 73.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6644.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 882.9 MB in the end (delta: 150.4 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. * Witness Printer took 131.49 ms. Allocated memory is still 1.2 GB. Free memory was 882.9 MB in the beginning and 876.2 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 268]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] 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={3:0}, atanlo_atan={2:0}, 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] [L263] double x = 0.0; [L264] double y = 0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L161-L162] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L168] COND FALSE !((iy | ly) == 0) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L180] COND TRUE (ix | lx) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L181] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L181] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L265] double res = __ieee754_atan2(y, x); [L267] EXPR res == 0.0 && __signbit_double(res) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L267] COND TRUE !(res == 0.0 && __signbit_double(res) == 0) [L268] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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, 118 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.4s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 741 SDslu, 12 SDs, 0 SdLazy, 28 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=118occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 13 QuantifiedInterpolants, 5552 SizeOfPredicates, 16 NumberOfNonLiveVariables, 230 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, 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...