./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 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_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 0.2.0-5485861 [2020-10-25 21:48:36,567 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:48:36,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:48:36,628 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:48:36,629 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:48:36,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:48:36,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:48:36,648 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:48:36,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:48:36,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:48:36,661 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:48:36,667 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:48:36,668 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:48:36,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:48:36,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:48:36,677 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:48:36,679 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:48:36,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:48:36,688 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:48:36,697 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:48:36,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:48:36,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:48:36,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:48:36,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:48:36,716 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:48:36,717 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:48:36,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:48:36,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:48:36,722 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:48:36,724 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:48:36,724 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:48:36,726 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:48:36,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:48:36,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:48:36,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:48:36,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:48:36,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:48:36,736 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:48:36,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:48:36,739 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:48:36,750 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:48:36,752 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:48:36,820 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:48:36,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:48:36,825 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:48:36,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:48:36,827 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:48:36,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:48:36,827 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:48:36,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:48:36,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:48:36,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:48:36,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:48:36,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:48:36,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:48:36,831 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:48:36,831 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:48:36,831 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:48:36,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:48:36,832 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:48:36,832 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:48:36,833 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:48:36,833 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:48:36,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:36,834 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:48:36,834 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:48:36,835 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:48:36,835 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:48:36,835 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:48:36,835 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:48:36,836 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:48:36,836 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-10-25 21:48:37,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:48:37,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:48:37,411 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:48:37,413 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:48:37,416 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:48:37,418 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-25 21:48:37,547 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4d3a196/b9d51165d89f48ffbef2e0b4be75ba1d/FLAG2bf43c4a5 [2020-10-25 21:48:38,240 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:48:38,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-25 21:48:38,257 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4d3a196/b9d51165d89f48ffbef2e0b4be75ba1d/FLAG2bf43c4a5 [2020-10-25 21:48:38,602 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e4d3a196/b9d51165d89f48ffbef2e0b4be75ba1d [2020-10-25 21:48:38,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:48:38,616 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:48:38,619 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:38,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:48:38,640 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:48:38,641 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:38" (1/1) ... [2020-10-25 21:48:38,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ddd4264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:38, skipping insertion in model container [2020-10-25 21:48:38,661 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:38" (1/1) ... [2020-10-25 21:48:38,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:48:38,725 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:48:39,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:39,064 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:48:39,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:39,182 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:48:39,185 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39 WrapperNode [2020-10-25 21:48:39,186 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:39,187 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:39,188 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:48:39,188 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:48:39,209 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,255 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:39,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:48:39,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:48:39,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:48:39,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,384 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,407 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,470 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... [2020-10-25 21:48:39,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:48:39,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:48:39,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:48:39,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:48:39,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:39,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:48:39,619 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:48:39,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:48:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:48:39,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:48:39,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:48:39,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:48:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:48:39,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:48:39,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:48:40,874 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:48:40,874 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-25 21:48:40,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:40 BoogieIcfgContainer [2020-10-25 21:48:40,877 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:48:40,879 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:48:40,879 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:48:40,883 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:48:40,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:48:38" (1/3) ... [2020-10-25 21:48:40,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a5d923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:40, skipping insertion in model container [2020-10-25 21:48:40,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:39" (2/3) ... [2020-10-25 21:48:40,885 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28a5d923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:48:40, skipping insertion in model container [2020-10-25 21:48:40,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:40" (3/3) ... [2020-10-25 21:48:40,887 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-10-25 21:48:40,900 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:48:40,906 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:48:40,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:48:40,951 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:48:40,952 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:48:40,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:48:40,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:48:40,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:48:40,952 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:48:40,952 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:48:40,952 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:48:40,971 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-10-25 21:48:40,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:48:40,978 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:48:40,979 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:48:40,979 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:48:40,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:48:40,986 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-10-25 21:48:40,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:48:40,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1947500954] [2020-10-25 21:48:40,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:48:41,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:48:41,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:48:41,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1947500954] [2020-10-25 21:48:41,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:48:41,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:48:41,317 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444121746] [2020-10-25 21:48:41,328 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:48:41,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:48:41,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:48:41,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:48:41,353 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-10-25 21:48:41,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:48:41,399 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-10-25 21:48:41,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:48:41,400 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-25 21:48:41,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:48:41,415 INFO L225 Difference]: With dead ends: 238 [2020-10-25 21:48:41,415 INFO L226 Difference]: Without dead ends: 116 [2020-10-25 21:48:41,419 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:48:41,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-25 21:48:41,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-25 21:48:41,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-25 21:48:41,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-10-25 21:48:41,477 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-10-25 21:48:41,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:48:41,478 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-10-25 21:48:41,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:48:41,478 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-10-25 21:48:41,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 21:48:41,479 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:48:41,479 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:48:41,480 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:48:41,480 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:48:41,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:48:41,481 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-10-25 21:48:41,481 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:48:41,481 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780294857] [2020-10-25 21:48:41,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:48:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:48:41,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:48:41,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:48:41,665 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:48:41,705 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:48:41,706 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:48:41,707 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:48:41,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:48:41 BoogieIcfgContainer [2020-10-25 21:48:41,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:48:41,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:48:41,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:48:41,764 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:48:41,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:48:40" (3/4) ... [2020-10-25 21:48:41,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:48:41,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:48:41,774 INFO L168 Benchmark]: Toolchain (without parser) took 3162.19 ms. Allocated memory was 44.0 MB in the beginning and 67.1 MB in the end (delta: 23.1 MB). Free memory was 21.8 MB in the beginning and 34.4 MB in the end (delta: -12.6 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:41,775 INFO L168 Benchmark]: CDTParser took 0.54 ms. Allocated memory is still 44.0 MB. Free memory was 24.8 MB in the beginning and 24.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:41,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.50 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 37.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:41,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 172.19 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 33.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:41,779 INFO L168 Benchmark]: Boogie Preprocessor took 153.88 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 30.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:41,780 INFO L168 Benchmark]: RCFGBuilder took 1360.76 ms. Allocated memory is still 54.5 MB. Free memory was 30.0 MB in the beginning and 29.0 MB in the end (delta: 997.4 kB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:41,781 INFO L168 Benchmark]: TraceAbstraction took 883.36 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.7 MB in the beginning and 34.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:48:41,782 INFO L168 Benchmark]: Witness Printer took 7.67 ms. Allocated memory is still 67.1 MB. Free memory was 34.7 MB in the beginning and 34.4 MB in the end (delta: 267.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:48:41,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.54 ms. Allocated memory is still 44.0 MB. Free memory was 24.8 MB in the beginning and 24.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 567.50 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 37.3 MB in the end (delta: -16.1 MB). Peak memory consumption was 8.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 172.19 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 33.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 153.88 ms. Allocated memory is still 54.5 MB. Free memory was 33.6 MB in the beginning and 30.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1360.76 ms. Allocated memory is still 54.5 MB. Free memory was 30.0 MB in the beginning and 29.0 MB in the end (delta: 997.4 kB). Peak memory consumption was 9.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 883.36 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 28.7 MB in the beginning and 34.7 MB in the end (delta: -6.0 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. * Witness Printer took 7.67 ms. Allocated memory is still 67.1 MB. Free memory was 34.7 MB in the beginning and 34.4 MB in the end (delta: 267.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 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: 0.7s, 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, 0.1s 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 0.2.0-5485861 [2020-10-25 21:48:44,680 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:48:44,685 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:48:44,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:48:44,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:48:44,756 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:48:44,760 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:48:44,770 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:48:44,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:48:44,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:48:44,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:48:44,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:48:44,792 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:48:44,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:48:44,798 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:48:44,800 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:48:44,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:48:44,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:48:44,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:48:44,818 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:48:44,820 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:48:44,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:48:44,822 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:48:44,830 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:48:44,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:48:44,834 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:48:44,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:48:44,835 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:48:44,836 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:48:44,837 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:48:44,837 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:48:44,838 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:48:44,839 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:48:44,840 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:48:44,841 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:48:44,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:48:44,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:48:44,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:48:44,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:48:44,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:48:44,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:48:44,856 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:48:44,884 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:48:44,885 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:48:44,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:48:44,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:48:44,887 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:48:44,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:48:44,887 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:48:44,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:48:44,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:48:44,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:48:44,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:48:44,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:48:44,889 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:48:44,889 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:48:44,889 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:48:44,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:48:44,889 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:48:44,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:48:44,890 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:48:44,890 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:48:44,890 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:48:44,890 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:48:44,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:44,891 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:48:44,891 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:48:44,891 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:48:44,891 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:48:44,892 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:48:44,892 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:48:44,892 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:48:44,892 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:48:44,892 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b824bf566437e177299c8e8b970f777a8a8d288a [2020-10-25 21:48:45,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:48:45,396 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:48:45,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:48:45,404 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:48:45,405 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:48:45,405 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-25 21:48:45,512 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ee9410b/c50942232dfd4f9f82658acf3fdc7bf6/FLAGca075e225 [2020-10-25 21:48:46,181 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:48:46,182 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0661a.c [2020-10-25 21:48:46,196 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ee9410b/c50942232dfd4f9f82658acf3fdc7bf6/FLAGca075e225 [2020-10-25 21:48:46,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f1ee9410b/c50942232dfd4f9f82658acf3fdc7bf6 [2020-10-25 21:48:46,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:48:46,557 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:48:46,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:46,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:48:46,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:48:46,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:46" (1/1) ... [2020-10-25 21:48:46,587 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c3bf54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:46, skipping insertion in model container [2020-10-25 21:48:46,587 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:48:46" (1/1) ... [2020-10-25 21:48:46,598 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:48:46,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:48:46,910 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:46,937 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:48:47,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:48:47,088 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:48:47,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47 WrapperNode [2020-10-25 21:48:47,089 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:48:47,093 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:47,094 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:48:47,096 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:48:47,104 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,124 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,184 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:48:47,185 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:48:47,185 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:48:47,185 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:48:47,197 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,197 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,217 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,250 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,269 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... [2020-10-25 21:48:47,278 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:48:47,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:48:47,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:48:47,280 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:48:47,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:48:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:48:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:48:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:48:47,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:48:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:48:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:48:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:48:47,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:48:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:48:47,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:27,567 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:27,567 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-25 21:49:27,570 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:27 BoogieIcfgContainer [2020-10-25 21:49:27,571 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:27,573 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:27,574 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:27,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:27,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:48:46" (1/3) ... [2020-10-25 21:49:27,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dbda11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:27, skipping insertion in model container [2020-10-25 21:49:27,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:48:47" (2/3) ... [2020-10-25 21:49:27,580 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18dbda11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:27, skipping insertion in model container [2020-10-25 21:49:27,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:27" (3/3) ... [2020-10-25 21:49:27,582 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0661a.c [2020-10-25 21:49:27,597 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:27,603 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:27,618 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:27,673 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:27,673 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:27,673 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:27,675 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:27,675 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:27,675 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:27,675 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:27,675 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:27,696 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2020-10-25 21:49:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-25 21:49:27,703 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:27,704 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:27,704 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:27,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:27,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1517456143, now seen corresponding path program 1 times [2020-10-25 21:49:27,724 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:49:27,724 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747720216] [2020-10-25 21:49:27,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-25 21:49:28,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:28,189 INFO L263 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:49:28,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:49:28,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:28,210 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:49:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:28,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747720216] [2020-10-25 21:49:28,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:28,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:49:28,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896899715] [2020-10-25 21:49:28,225 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:28,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:49:28,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:28,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:28,244 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2020-10-25 21:49:28,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:28,282 INFO L93 Difference]: Finished difference Result 238 states and 399 transitions. [2020-10-25 21:49:28,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:28,284 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2020-10-25 21:49:28,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:28,297 INFO L225 Difference]: With dead ends: 238 [2020-10-25 21:49:28,298 INFO L226 Difference]: Without dead ends: 116 [2020-10-25 21:49:28,302 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 [2020-10-25 21:49:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-10-25 21:49:28,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2020-10-25 21:49:28,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-10-25 21:49:28,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 165 transitions. [2020-10-25 21:49:28,354 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 165 transitions. Word has length 12 [2020-10-25 21:49:28,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:28,355 INFO L481 AbstractCegarLoop]: Abstraction has 116 states and 165 transitions. [2020-10-25 21:49:28,355 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:28,355 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 165 transitions. [2020-10-25 21:49:28,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-25 21:49:28,356 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:28,356 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:28,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:49:28,572 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:28,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:28,574 INFO L82 PathProgramCache]: Analyzing trace with hash -229938040, now seen corresponding path program 1 times [2020-10-25 21:49:28,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:49:28,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1486521164] [2020-10-25 21:49:28,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-25 21:49:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:29,428 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:30,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:30,195 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:30,324 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:49:30,325 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:30,526 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:49:30,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:30 BoogieIcfgContainer [2020-10-25 21:49:30,636 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:30,638 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:30,638 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:30,638 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:30,639 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:27" (3/4) ... [2020-10-25 21:49:30,642 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:49:30,740 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:49:30,741 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:30,744 INFO L168 Benchmark]: Toolchain (without parser) took 44193.26 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 18.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:30,744 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 35.7 MB. Free memory was 17.8 MB in the beginning and 17.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:30,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.26 ms. Allocated memory is still 44.0 MB. Free memory was 30.1 MB in the beginning and 23.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:30,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.07 ms. Allocated memory is still 44.0 MB. Free memory was 23.3 MB in the beginning and 19.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:30,747 INFO L168 Benchmark]: Boogie Preprocessor took 93.05 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.5 MB in the beginning and 35.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:30,748 INFO L168 Benchmark]: RCFGBuilder took 40292.30 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 23.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:30,748 INFO L168 Benchmark]: TraceAbstraction took 3062.81 ms. Allocated memory is still 54.5 MB. Free memory was 22.8 MB in the beginning and 22.9 MB in the end (delta: -45.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:30,749 INFO L168 Benchmark]: Witness Printer took 103.43 ms. Allocated memory is still 54.5 MB. Free memory was 22.9 MB in the beginning and 18.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:30,753 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 35.7 MB. Free memory was 17.8 MB in the beginning and 17.8 MB in the end (delta: 31.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 520.26 ms. Allocated memory is still 44.0 MB. Free memory was 30.1 MB in the beginning and 23.3 MB in the end (delta: 6.8 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.07 ms. Allocated memory is still 44.0 MB. Free memory was 23.3 MB in the beginning and 19.6 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 93.05 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 19.5 MB in the beginning and 35.3 MB in the end (delta: -15.8 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 40292.30 ms. Allocated memory is still 54.5 MB. Free memory was 35.3 MB in the beginning and 23.4 MB in the end (delta: 11.9 MB). Peak memory consumption was 15.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3062.81 ms. Allocated memory is still 54.5 MB. Free memory was 22.8 MB in the beginning and 22.9 MB in the end (delta: -45.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 103.43 ms. Allocated memory is still 54.5 MB. Free memory was 22.9 MB in the beginning and 18.0 MB in the end (delta: 4.8 MB). Peak memory consumption was 6.3 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, 1.1s 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...