./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0661a.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 b824bf566437e177299c8e8b970f777a8a8d288a ...................................................................................................................................................................................................................................................................................................................................... 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_0661a.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 b824bf566437e177299c8e8b970f777a8a8d288a ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:08:10,589 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:08:10,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:08:10,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 23:08:10,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 23:08:10,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 23:08:10,631 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 23:08:10,633 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 23:08:10,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 23:08:10,636 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 23:08:10,638 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 23:08:10,639 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 23:08:10,640 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:08:10,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:08:10,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:08:10,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:08:10,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:08:10,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:08:10,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:08:10,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:08:10,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:08:10,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:08:10,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:08:10,657 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:08:10,660 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 23:08:10,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 23:08:10,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 23:08:10,662 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 23:08:10,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 23:08:10,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 23:08:10,665 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:08:10,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:08:10,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:08:10,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:08:10,669 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:08:10,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:08:10,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:08:10,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:08:10,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:08:10,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:08:10,685 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:08:10,688 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-24 23:08:10,716 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:08:10,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:08:10,718 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:08:10,718 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:08:10,719 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:08:10,719 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:08:10,719 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:08:10,720 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 23:08:10,720 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:08:10,720 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:08:10,720 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:08:10,721 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:08:10,721 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:08:10,721 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:08:10,721 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:08:10,722 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:08:10,722 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:08:10,722 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:08:10,722 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:08:10,723 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:08:10,723 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:08:10,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:08:10,724 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:08:10,724 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:08:10,724 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:08:10,724 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-24 23:08:10,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-24 23:08:10,725 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:08:10,725 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:08:10,725 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-10-24 23:08:11,169 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:08:11,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:08:11,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:08:11,208 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:08:11,210 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:08:11,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-24 23:08:11,308 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0332f1902/25fa106b2a2343e79a8efdce3b1bc90a/FLAGc14a60596 [2020-10-24 23:08:12,062 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:08:12,066 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-24 23:08:12,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0332f1902/25fa106b2a2343e79a8efdce3b1bc90a/FLAGc14a60596 [2020-10-24 23:08:12,283 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0332f1902/25fa106b2a2343e79a8efdce3b1bc90a [2020-10-24 23:08:12,291 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:08:12,302 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:08:12,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:12,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:08:12,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:08:12,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c898f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12, skipping insertion in model container [2020-10-24 23:08:12,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,332 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:08:12,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:08:12,698 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:12,728 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:08:12,821 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:12,851 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:08:12,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12 WrapperNode [2020-10-24 23:08:12,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:12,855 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:12,855 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:08:12,855 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:08:12,867 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:12,961 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:08:12,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:08:12,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:08:12,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:12,989 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:13,016 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:13,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:13,033 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... [2020-10-24 23:08:13,044 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:08:13,047 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:08:13,047 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:08:13,047 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:08:13,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:08:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 23:08:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:08:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-24 23:08:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 23:08:13,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-24 23:08:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:08:13,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:08:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 23:08:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-24 23:08:13,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:08:14,301 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:08:14,302 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-24 23:08:14,304 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:14 BoogieIcfgContainer [2020-10-24 23:08:14,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:08:14,307 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:08:14,308 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:08:14,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:08:14,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:12" (1/3) ... [2020-10-24 23:08:14,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457025ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:14, skipping insertion in model container [2020-10-24 23:08:14,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:12" (2/3) ... [2020-10-24 23:08:14,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@457025ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:08:14, skipping insertion in model container [2020-10-24 23:08:14,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:14" (3/3) ... [2020-10-24 23:08:14,317 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-10-24 23:08:14,337 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:08:14,344 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:08:14,360 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:08:14,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:08:14,391 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:08:14,391 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:08:14,391 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:08:14,391 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:08:14,392 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:08:14,392 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:08:14,392 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:08:14,411 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-10-24 23:08:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:08:14,418 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:14,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:14,420 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:14,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:14,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-10-24 23:08:14,439 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:08:14,440 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993422055] [2020-10-24 23:08:14,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:08:14,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:08:14,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:08:14,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993422055] [2020-10-24 23:08:14,626 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:08:14,626 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-24 23:08:14,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984923796] [2020-10-24 23:08:14,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:08:14,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-24 23:08:14,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:08:14,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:08:14,654 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-10-24 23:08:14,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:08:14,693 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-10-24 23:08:14,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:08:14,695 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 23:08:14,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:08:14,709 INFO L225 Difference]: With dead ends: 238 [2020-10-24 23:08:14,710 INFO L226 Difference]: Without dead ends: 116 [2020-10-24 23:08:14,714 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:08:14,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-24 23:08:14,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-24 23:08:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-24 23:08:14,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-10-24 23:08:14,783 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-10-24 23:08:14,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:08:14,783 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-10-24 23:08:14,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:08:14,784 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-10-24 23:08:14,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:08:14,785 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:08:14,785 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:08:14,786 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 23:08:14,786 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:08:14,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:08:14,788 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-10-24 23:08:14,788 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-24 23:08:14,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413310604] [2020-10-24 23:08:14,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 23:08:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:14,943 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:08:15,012 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:08:15,048 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-24 23:08:15,048 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:08:15,052 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 23:08:15,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:08:15 BoogieIcfgContainer [2020-10-24 23:08:15,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:08:15,155 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:08:15,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:08:15,157 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:08:15,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:08:14" (3/4) ... [2020-10-24 23:08:15,162 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-24 23:08:15,162 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:08:15,168 INFO L168 Benchmark]: Toolchain (without parser) took 2869.25 ms. Allocated memory was 46.1 MB in the beginning and 71.3 MB in the end (delta: 25.2 MB). Free memory was 30.9 MB in the beginning and 32.6 MB in the end (delta: -1.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,170 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:08:15,171 INFO L168 Benchmark]: CACSL2BoogieTranslator took 546.48 ms. Allocated memory is still 46.1 MB. Free memory was 30.2 MB in the beginning and 23.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.47 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 39.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,174 INFO L168 Benchmark]: Boogie Preprocessor took 83.66 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 36.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,176 INFO L168 Benchmark]: RCFGBuilder took 1257.96 ms. Allocated memory is still 56.6 MB. Free memory was 36.2 MB in the beginning and 25.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,178 INFO L168 Benchmark]: TraceAbstraction took 844.26 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 33.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,181 INFO L168 Benchmark]: Witness Printer took 7.49 ms. Allocated memory is still 71.3 MB. Free memory was 33.1 MB in the beginning and 32.6 MB in the end (delta: 447.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:08:15,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 37.7 MB. Free memory was 20.5 MB in the beginning and 20.4 MB in the end (delta: 56.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 546.48 ms. Allocated memory is still 46.1 MB. Free memory was 30.2 MB in the beginning and 23.5 MB in the end (delta: 6.8 MB). Peak memory consumption was 6.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.47 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 39.9 MB in the end (delta: -16.4 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 83.66 ms. Allocated memory is still 56.6 MB. Free memory was 39.9 MB in the beginning and 36.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1257.96 ms. Allocated memory is still 56.6 MB. Free memory was 36.2 MB in the beginning and 25.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 844.26 ms. Allocated memory was 56.6 MB in the beginning and 71.3 MB in the end (delta: 14.7 MB). Free memory was 24.6 MB in the beginning and 33.1 MB in the end (delta: -8.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 16.1 GB. * Witness Printer took 7.49 ms. Allocated memory is still 71.3 MB. Free memory was 33.1 MB in the beginning and 32.6 MB in the end (delta: 447.0 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 267, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 272. 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] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L269] COND TRUE x > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_0661a.c", 3, "reach_error") VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 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: 170 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=121occurred 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, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-a4ecdab [2020-10-24 23:08:18,088 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 23:08:18,092 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 23:08:18,149 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-10-24 23:08:18,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 23:08:18,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 23:08:18,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 23:08:18,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 23:08:18,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 23:08:18,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 23:08:18,202 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 23:08:18,208 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 23:08:18,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 23:08:18,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 23:08:18,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 23:08:18,217 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 23:08:18,228 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-24 23:08:18,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 23:08:18,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 23:08:18,236 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 23:08:18,237 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 23:08:18,243 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 23:08:18,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 23:08:18,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 23:08:18,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 23:08:18,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 23:08:18,248 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 23:08:18,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 23:08:18,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-24 23:08:18,304 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 23:08:18,304 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 23:08:18,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-24 23:08:18,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-24 23:08:18,309 INFO L138 SettingsManager]: * Use SBE=true [2020-10-24 23:08:18,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 23:08:18,310 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 23:08:18,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 23:08:18,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 23:08:18,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 23:08:18,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 23:08:18,312 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 23:08:18,313 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-24 23:08:18,313 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-24 23:08:18,313 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 23:08:18,314 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 23:08:18,314 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 23:08:18,314 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 23:08:18,315 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 23:08:18,315 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-24 23:08:18,315 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 23:08:18,315 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 23:08:18,316 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:08:18,316 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 23:08:18,316 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-24 23:08:18,316 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-24 23:08:18,317 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-24 23:08:18,317 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-24 23:08:18,317 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 23:08:18,317 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-24 23:08:18,318 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-24 23:08:18,318 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-10-24 23:08:18,714 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 23:08:18,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 23:08:18,746 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 23:08:18,747 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 23:08:18,748 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 23:08:18,749 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-24 23:08:18,837 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978b7131c/fdd36e76b82d4af2af57d438efdb5c2b/FLAG64686b8e5 [2020-10-24 23:08:19,464 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 23:08:19,465 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-24 23:08:19,480 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978b7131c/fdd36e76b82d4af2af57d438efdb5c2b/FLAG64686b8e5 [2020-10-24 23:08:19,810 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/978b7131c/fdd36e76b82d4af2af57d438efdb5c2b [2020-10-24 23:08:19,819 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 23:08:19,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-24 23:08:19,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:19,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 23:08:19,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 23:08:19,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:19" (1/1) ... [2020-10-24 23:08:19,839 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3846ae8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:19, skipping insertion in model container [2020-10-24 23:08:19,840 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 11:08:19" (1/1) ... [2020-10-24 23:08:19,849 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 23:08:19,878 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 23:08:20,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:20,176 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 23:08:20,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 23:08:20,317 INFO L208 MainTranslator]: Completed translation [2020-10-24 23:08:20,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20 WrapperNode [2020-10-24 23:08:20,318 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 23:08:20,322 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:20,322 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-24 23:08:20,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-24 23:08:20,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,493 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-24 23:08:20,494 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 23:08:20,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 23:08:20,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 23:08:20,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,542 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... [2020-10-24 23:08:20,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 23:08:20,660 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 23:08:20,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 23:08:20,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 23:08:20,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 23:08:20,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-24 23:08:20,774 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-24 23:08:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-24 23:08:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 23:08:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-24 23:08:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-24 23:08:20,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 23:08:20,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 23:08:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-24 23:08:20,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 23:09:00,859 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 23:09:00,860 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-24 23:09:00,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:00 BoogieIcfgContainer [2020-10-24 23:09:00,863 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 23:09:00,864 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 23:09:00,865 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 23:09:00,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 23:09:00,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 11:08:19" (1/3) ... [2020-10-24 23:09:00,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6801fa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:00, skipping insertion in model container [2020-10-24 23:09:00,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 11:08:20" (2/3) ... [2020-10-24 23:09:00,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6801fa2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 11:09:00, skipping insertion in model container [2020-10-24 23:09:00,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:00" (3/3) ... [2020-10-24 23:09:00,885 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-10-24 23:09:00,898 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-24 23:09:00,904 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-24 23:09:00,918 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-24 23:09:00,948 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 23:09:00,948 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 23:09:00,949 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-24 23:09:00,949 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 23:09:00,949 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 23:09:00,949 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 23:09:00,950 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 23:09:00,950 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 23:09:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-10-24 23:09:00,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-24 23:09:00,975 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:09:00,976 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:09:00,977 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:09:00,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:09:00,984 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-10-24 23:09:00,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:09:00,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [174179886] [2020-10-24 23:09:00,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-24 23:09:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 23:09:01,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-24 23:09:01,415 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-24 23:09:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:09:01,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-24 23:09:01,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-24 23:09:01,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [174179886] [2020-10-24 23:09:01,439 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-24 23:09:01,439 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-24 23:09:01,440 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291324371] [2020-10-24 23:09:01,445 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-24 23:09:01,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-24 23:09:01,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-24 23:09:01,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:09:01,464 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-10-24 23:09:01,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 23:09:01,501 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-10-24 23:09:01,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-24 23:09:01,503 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-24 23:09:01,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 23:09:01,516 INFO L225 Difference]: With dead ends: 238 [2020-10-24 23:09:01,516 INFO L226 Difference]: Without dead ends: 116 [2020-10-24 23:09:01,520 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-24 23:09:01,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-24 23:09:01,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-24 23:09:01,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-24 23:09:01,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-10-24 23:09:01,576 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-10-24 23:09:01,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 23:09:01,576 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-10-24 23:09:01,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-24 23:09:01,576 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-10-24 23:09:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-24 23:09:01,577 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 23:09:01,577 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 23:09:01,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-24 23:09:01,793 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-24 23:09:01,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 23:09:01,795 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-10-24 23:09:01,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-24 23:09:01,797 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [415673153] [2020-10-24 23:09:01,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-24 23:09:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:09:02,695 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:09:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-24 23:09:03,515 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-24 23:09:03,642 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-24 23:09:03,642 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-24 23:09:03,844 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-24 23:09:03,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 11:09:03 BoogieIcfgContainer [2020-10-24 23:09:03,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-24 23:09:03,908 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-24 23:09:03,908 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-24 23:09:03,909 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-24 23:09:03,909 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 11:09:00" (3/4) ... [2020-10-24 23:09:03,912 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-24 23:09:03,996 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-24 23:09:03,996 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-24 23:09:04,004 INFO L168 Benchmark]: Toolchain (without parser) took 44180.24 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.9 MB in the beginning and 23.2 MB in the end (delta: 685.1 kB). Peak memory consumption was 12.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,005 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 35.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-24 23:09:04,006 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.58 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 29.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 171.25 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 25.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,011 INFO L168 Benchmark]: Boogie Preprocessor took 164.03 ms. Allocated memory is still 46.1 MB. Free memory was 25.3 MB in the beginning and 21.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,012 INFO L168 Benchmark]: RCFGBuilder took 40202.36 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 21.4 MB in the end (delta: -47.5 kB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,012 INFO L168 Benchmark]: TraceAbstraction took 3039.98 ms. Allocated memory is still 56.6 MB. Free memory was 21.1 MB in the beginning and 27.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,013 INFO L168 Benchmark]: Witness Printer took 88.37 ms. Allocated memory is still 56.6 MB. Free memory was 27.8 MB in the beginning and 23.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-24 23:09:04,021 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 35.7 MB. Free memory was 18.1 MB in the beginning and 18.1 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 489.58 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 29.0 MB in the end (delta: -5.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 171.25 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 25.3 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 164.03 ms. Allocated memory is still 46.1 MB. Free memory was 25.3 MB in the beginning and 21.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40202.36 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.4 MB in the beginning and 21.4 MB in the end (delta: -47.5 kB). Peak memory consumption was 13.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3039.98 ms. Allocated memory is still 56.6 MB. Free memory was 21.1 MB in the beginning and 27.8 MB in the end (delta: -6.7 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. * Witness Printer took 88.37 ms. Allocated memory is still 56.6 MB. Free memory was 27.8 MB in the beginning and 23.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L266] double x = __VERIFIER_nondet_double(); [L267] double y = -0.0; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L269] COND TRUE x > 0.0 [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L270] double res = __ieee754_atan2(y, x); [L272] EXPR res == -0.0 && __signbit_double(res) == 1 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] [L272] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L3] __assert_fail("0", "double_req_bl_0661a.c", 3, "reach_error") VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 121 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: 170 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 242 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 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...