./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a9e26b1bd5e8029428d44dc1b34e99aa980331c ..................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7a9e26b1bd5e8029428d44dc1b34e99aa980331c .................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:13:34,162 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:13:34,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:13:34,197 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:13:34,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:13:34,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:13:34,201 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:13:34,203 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:13:34,205 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:13:34,206 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:13:34,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:13:34,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:13:34,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:13:34,211 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:13:34,212 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:13:34,213 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:13:34,214 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:13:34,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:13:34,218 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:13:34,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:13:34,222 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:13:34,224 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:13:34,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:13:34,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:13:34,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:13:34,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:13:34,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:13:34,231 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:13:34,232 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:13:34,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:13:34,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:13:34,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:13:34,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:13:34,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:13:34,238 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:13:34,238 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:13:34,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:13:34,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:13:34,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:13:34,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:13:34,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:13:34,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:13:34,270 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:13:34,271 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:13:34,272 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:13:34,272 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:13:34,273 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:13:34,273 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:13:34,273 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:13:34,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:13:34,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:13:34,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:13:34,274 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:13:34,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:13:34,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:13:34,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:13:34,276 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:13:34,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:13:34,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:13:34,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:13:34,277 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:13:34,277 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:13:34,277 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:13:34,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:34,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:13:34,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:13:34,278 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:13:34,278 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:13:34,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:13:34,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:13:34,279 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:13:34,279 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-12-01 23:13:34,692 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:13:34,718 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:13:34,721 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:13:34,722 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:13:34,723 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:13:34,724 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-12-01 23:13:34,803 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf22ff08/9829b5f7daa44a6789904f086d1a022f/FLAG6dc2f77e1 [2020-12-01 23:13:35,387 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:13:35,388 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-12-01 23:13:35,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf22ff08/9829b5f7daa44a6789904f086d1a022f/FLAG6dc2f77e1 [2020-12-01 23:13:35,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2bf22ff08/9829b5f7daa44a6789904f086d1a022f [2020-12-01 23:13:35,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:13:35,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:13:35,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:35,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:13:35,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:13:35,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:35" (1/1) ... [2020-12-01 23:13:35,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@58c0934d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:35, skipping insertion in model container [2020-12-01 23:13:35,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:35" (1/1) ... [2020-12-01 23:13:35,726 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:13:35,750 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:13:36,040 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2020-12-01 23:13:36,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:36,071 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:13:36,188 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2020-12-01 23:13:36,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:36,223 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:13:36,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36 WrapperNode [2020-12-01 23:13:36,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:36,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:36,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:13:36,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:13:36,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,314 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:36,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:13:36,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:13:36,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:13:36,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,347 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,347 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,390 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,414 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... [2020-12-01 23:13:36,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:13:36,429 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:13:36,429 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:13:36,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:13:36,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:36,541 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:13:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:13:36,542 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:13:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:13:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:13:36,543 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:13:36,543 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:13:36,544 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:13:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:13:36,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:13:37,457 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:13:37,457 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:13:37,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:37 BoogieIcfgContainer [2020-12-01 23:13:37,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:13:37,461 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:13:37,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:13:37,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:13:37,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:35" (1/3) ... [2020-12-01 23:13:37,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f9af1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:37, skipping insertion in model container [2020-12-01 23:13:37,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:36" (2/3) ... [2020-12-01 23:13:37,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10f9af1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:13:37, skipping insertion in model container [2020-12-01 23:13:37,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:37" (3/3) ... [2020-12-01 23:13:37,468 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-12-01 23:13:37,483 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:13:37,487 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:13:37,499 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:13:37,526 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:13:37,527 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:13:37,527 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:13:37,527 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:13:37,527 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:13:37,527 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:13:37,528 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:13:37,528 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:13:37,545 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:13:37,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:13:37,556 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:37,557 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:37,558 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:37,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:37,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:13:37,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:13:37,574 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [475071095] [2020-12-01 23:13:37,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:13:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:13:37,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:13:37,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [475071095] [2020-12-01 23:13:37,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:13:37,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:13:37,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391682399] [2020-12-01 23:13:37,775 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:13:37,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:13:37,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:13:37,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:37,797 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:13:37,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:13:37,828 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:13:37,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:13:37,829 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:13:37,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:13:37,841 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:13:37,841 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:13:37,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:13:37,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:13:37,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:13:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:13:37,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:13:37,893 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:13:37,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:13:37,893 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:13:37,893 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:13:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:13:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:13:37,894 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:13:37,894 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:13:37,895 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:13:37,895 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:13:37,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:13:37,896 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:13:37,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:13:37,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277788413] [2020-12-01 23:13:37,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:13:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:38,013 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:13:38,120 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:13:38,153 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:13:38,153 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:13:38,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:13:38,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:13:38 BoogieIcfgContainer [2020-12-01 23:13:38,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:13:38,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:13:38,202 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:13:38,202 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:13:38,203 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:13:37" (3/4) ... [2020-12-01 23:13:38,210 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:13:38,211 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:13:38,213 INFO L168 Benchmark]: Toolchain (without parser) took 2506.46 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 26.5 MB in the beginning and 32.6 MB in the end (delta: -6.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:38,214 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:38,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 517.29 ms. Allocated memory is still 50.3 MB. Free memory was 26.3 MB in the beginning and 24.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:38,216 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.14 ms. Allocated memory is still 50.3 MB. Free memory was 24.7 MB in the beginning and 21.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:38,216 INFO L168 Benchmark]: Boogie Preprocessor took 113.62 ms. Allocated memory is still 50.3 MB. Free memory was 21.1 MB in the beginning and 30.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:38,218 INFO L168 Benchmark]: RCFGBuilder took 1030.30 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 32.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:38,218 INFO L168 Benchmark]: TraceAbstraction took 740.33 ms. Allocated memory is still 60.8 MB. Free memory was 31.7 MB in the beginning and 32.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:13:38,219 INFO L168 Benchmark]: Witness Printer took 8.74 ms. Allocated memory is still 60.8 MB. Free memory was 32.9 MB in the beginning and 32.6 MB in the end (delta: 254.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:13:38,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 39.8 MB. Free memory was 17.7 MB in the beginning and 17.6 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 517.29 ms. Allocated memory is still 50.3 MB. Free memory was 26.3 MB in the beginning and 24.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 86.14 ms. Allocated memory is still 50.3 MB. Free memory was 24.7 MB in the beginning and 21.1 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 113.62 ms. Allocated memory is still 50.3 MB. Free memory was 21.1 MB in the beginning and 30.6 MB in the end (delta: -9.5 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1030.30 ms. Allocated memory was 50.3 MB in the beginning and 60.8 MB in the end (delta: 10.5 MB). Free memory was 30.6 MB in the beginning and 32.3 MB in the end (delta: -1.8 MB). Peak memory consumption was 17.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 740.33 ms. Allocated memory is still 60.8 MB. Free memory was 31.7 MB in the beginning and 32.9 MB in the end (delta: -1.2 MB). Peak memory consumption was 13.5 MB. Max. memory is 16.1 GB. * Witness Printer took 8.74 ms. Allocated memory is still 60.8 MB. Free memory was 32.9 MB in the beginning and 32.6 MB in the end (delta: 254.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 260]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] reach_error() VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-096883e [2020-12-01 23:13:40,707 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:13:40,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:13:40,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:13:40,789 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:13:40,790 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:13:40,791 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:13:40,793 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:13:40,794 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:13:40,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:13:40,797 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:13:40,799 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:13:40,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:13:40,802 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:13:40,803 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:13:40,804 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:13:40,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-01 23:13:40,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:13:40,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:13:40,813 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:13:40,814 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:13:40,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:13:40,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:13:40,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:13:40,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:13:40,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:13:40,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:13:40,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:13:40,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:13:40,859 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:13:40,859 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:13:40,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:13:40,861 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:13:40,861 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:13:40,862 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:13:40,862 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:13:40,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:13:40,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:13:40,863 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:13:40,863 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:13:40,863 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:13:40,863 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:13:40,864 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:13:40,864 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:13:40,864 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:13:40,864 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:13:40,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:13:40,865 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:13:40,865 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:13:40,865 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:13:40,866 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:13:40,866 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:40,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:13:40,867 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:13:40,867 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:13:40,867 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:13:40,867 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:13:40,867 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:13:40,868 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:13:40,868 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:13:40,868 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7a9e26b1bd5e8029428d44dc1b34e99aa980331c [2020-12-01 23:13:41,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:13:41,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:13:41,301 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:13:41,302 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:13:41,303 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:13:41,304 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-12-01 23:13:41,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ca4a5c2/a8178094bbf04d3c8204822d4cd04719/FLAG4f11f6202 [2020-12-01 23:13:42,071 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:13:42,071 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2020-12-01 23:13:42,085 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ca4a5c2/a8178094bbf04d3c8204822d4cd04719/FLAG4f11f6202 [2020-12-01 23:13:42,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18ca4a5c2/a8178094bbf04d3c8204822d4cd04719 [2020-12-01 23:13:42,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:13:42,432 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:13:42,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:42,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:13:42,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:13:42,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:42,467 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a12651c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42, skipping insertion in model container [2020-12-01 23:13:42,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:42,490 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:13:42,524 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:13:42,748 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2020-12-01 23:13:42,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:42,795 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:13:42,864 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2020-12-01 23:13:42,864 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:13:42,896 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:13:42,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42 WrapperNode [2020-12-01 23:13:42,897 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:13:42,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:42,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:13:42,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:13:42,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:42,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:42,993 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:13:42,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:13:42,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:13:42,995 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:13:43,005 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,043 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,053 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,059 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... [2020-12-01 23:13:43,075 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:13:43,078 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:13:43,079 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:13:43,079 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:13:43,081 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:13:43,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:13:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:13:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:13:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:13:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:13:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:13:43,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:13:43,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:13:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:13:43,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:14:35,170 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:14:35,171 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:14:35,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:35 BoogieIcfgContainer [2020-12-01 23:14:35,173 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:14:35,175 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:14:35,175 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:14:35,179 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:14:35,179 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:13:42" (1/3) ... [2020-12-01 23:14:35,180 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411fc220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:35, skipping insertion in model container [2020-12-01 23:14:35,180 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:13:42" (2/3) ... [2020-12-01 23:14:35,181 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@411fc220 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:14:35, skipping insertion in model container [2020-12-01 23:14:35,181 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:35" (3/3) ... [2020-12-01 23:14:35,183 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0685b.c [2020-12-01 23:14:35,205 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:14:35,210 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:14:35,222 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:14:35,250 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:14:35,251 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:14:35,251 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:14:35,251 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:14:35,251 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:14:35,251 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:14:35,252 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:14:35,252 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:14:35,269 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2020-12-01 23:14:35,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-12-01 23:14:35,275 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:35,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:35,276 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:35,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2020-12-01 23:14:35,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:14:35,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692352659] [2020-12-01 23:14:35,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:14:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:14:35,773 INFO L263 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:14:35,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:14:35,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:14:35,822 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:14:35,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:14:35,838 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1692352659] [2020-12-01 23:14:35,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:14:35,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:14:35,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588439968] [2020-12-01 23:14:35,845 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:14:35,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:14:35,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:14:35,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:35,862 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2020-12-01 23:14:35,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:14:35,895 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2020-12-01 23:14:35,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:14:35,897 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2020-12-01 23:14:35,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:14:35,909 INFO L225 Difference]: With dead ends: 224 [2020-12-01 23:14:35,909 INFO L226 Difference]: Without dead ends: 110 [2020-12-01 23:14:35,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:14:35,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-01 23:14:35,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2020-12-01 23:14:35,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-12-01 23:14:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2020-12-01 23:14:35,959 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2020-12-01 23:14:35,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:14:35,959 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2020-12-01 23:14:35,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:14:35,960 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2020-12-01 23:14:35,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-12-01 23:14:35,961 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:14:35,961 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:14:36,175 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:14:36,175 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:14:36,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:14:36,178 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2020-12-01 23:14:36,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:14:36,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [241734043] [2020-12-01 23:14:36,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:14:37,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:14:37,041 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:14:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:14:37,795 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:14:37,910 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:14:37,910 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:14:38,112 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:14:38,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:14:38 BoogieIcfgContainer [2020-12-01 23:14:38,166 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:14:38,166 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:14:38,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:14:38,167 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:14:38,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:14:35" (3/4) ... [2020-12-01 23:14:38,170 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:14:38,273 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:14:38,274 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:14:38,277 INFO L168 Benchmark]: Toolchain (without parser) took 55842.79 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 20.4 MB in the beginning and 44.4 MB in the end (delta: -23.9 MB). Peak memory consumption was 26.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,278 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 44.0 MB. Free memory was 26.8 MB in the beginning and 26.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:14:38,280 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.67 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 29.5 MB in the beginning and 33.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.54 ms. Allocated memory is still 54.5 MB. Free memory was 33.2 MB in the beginning and 29.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,281 INFO L168 Benchmark]: Boogie Preprocessor took 82.17 ms. Allocated memory is still 54.5 MB. Free memory was 29.5 MB in the beginning and 25.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,282 INFO L168 Benchmark]: RCFGBuilder took 52095.50 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 29.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,283 INFO L168 Benchmark]: TraceAbstraction took 2990.75 ms. Allocated memory is still 67.1 MB. Free memory was 28.7 MB in the beginning and 27.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,289 INFO L168 Benchmark]: Witness Printer took 107.30 ms. Allocated memory is still 67.1 MB. Free memory was 27.0 MB in the beginning and 44.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:14:38,292 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 44.0 MB. Free memory was 26.8 MB in the beginning and 26.8 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 446.67 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 29.5 MB in the beginning and 33.2 MB in the end (delta: -3.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.54 ms. Allocated memory is still 54.5 MB. Free memory was 33.2 MB in the beginning and 29.5 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 82.17 ms. Allocated memory is still 54.5 MB. Free memory was 29.5 MB in the beginning and 25.7 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 52095.50 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 25.7 MB in the beginning and 29.0 MB in the end (delta: -3.4 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2990.75 ms. Allocated memory is still 67.1 MB. Free memory was 28.7 MB in the beginning and 27.0 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.4 MB. Max. memory is 16.1 GB. * Witness Printer took 107.30 ms. Allocated memory is still 67.1 MB. Free memory was 27.0 MB in the beginning and 44.4 MB in the end (delta: -17.3 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 260]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L260] reach_error() VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 113 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 161 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 114 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...