./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50b586478a7305427fbe78a3e49b383cfc2fc5af ............................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 50b586478a7305427fbe78a3e49b383cfc2fc5af .................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:20,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 00:29:20,650 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 00:29:20,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 00:29:20,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 00:29:20,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 00:29:20,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 00:29:20,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 00:29:20,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 00:29:20,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 00:29:20,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 00:29:20,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 00:29:20,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 00:29:20,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 00:29:20,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 00:29:20,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 00:29:20,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 00:29:20,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 00:29:20,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 00:29:20,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 00:29:20,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 00:29:20,697 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 00:29:20,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 00:29:20,699 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 00:29:20,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 00:29:20,713 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 00:29:20,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 00:29:20,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 00:29:20,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 00:29:20,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 00:29:20,717 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:20,718 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:20,718 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:20,720 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:20,721 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:20,722 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:20,723 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:20,723 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:20,723 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:20,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:20,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:20,734 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 00:29:20,776 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:20,777 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:20,778 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:20,779 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:20,779 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:20,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:20,780 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:20,780 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 00:29:20,780 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:20,780 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:20,781 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:20,781 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:20,782 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:20,782 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:20,782 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:20,783 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:20,783 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:20,783 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:20,783 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:20,784 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:20,784 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:20,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:20,784 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:20,785 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:20,785 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:20,785 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 00:29:20,785 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 00:29:20,786 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:20,786 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:20,786 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b586478a7305427fbe78a3e49b383cfc2fc5af [2020-10-20 00:29:21,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:21,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:21,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:21,052 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:21,052 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:21,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2020-10-20 00:29:21,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8e7f1b5/ec352f2c2fd24059b6bacdfa5c2febee/FLAG3e2b3b105 [2020-10-20 00:29:21,688 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:21,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2020-10-20 00:29:21,699 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8e7f1b5/ec352f2c2fd24059b6bacdfa5c2febee/FLAG3e2b3b105 [2020-10-20 00:29:21,987 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5d8e7f1b5/ec352f2c2fd24059b6bacdfa5c2febee [2020-10-20 00:29:21,991 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:21,999 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:22,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:22,003 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:22,007 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:22,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:21" (1/1) ... [2020-10-20 00:29:22,012 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5201ad8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22, skipping insertion in model container [2020-10-20 00:29:22,012 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:21" (1/1) ... [2020-10-20 00:29:22,020 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:22,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:22,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:22,569 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:22,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:22,658 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:22,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22 WrapperNode [2020-10-20 00:29:22,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:22,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:22,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:22,661 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:22,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:22,746 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:22,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:22,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:22,758 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,802 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,813 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,818 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... [2020-10-20 00:29:22,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:22,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:22,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:22,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:22,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:22,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 00:29:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-20 00:29:22,916 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-20 00:29:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-20 00:29:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:22,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:22,917 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-20 00:29:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-20 00:29:22,918 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:29:23,745 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:29:23,746 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-20 00:29:23,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:23 BoogieIcfgContainer [2020-10-20 00:29:23,748 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:29:23,749 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:29:23,750 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:29:23,753 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:29:23,753 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:21" (1/3) ... [2020-10-20 00:29:23,754 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b31d6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:23, skipping insertion in model container [2020-10-20 00:29:23,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:22" (2/3) ... [2020-10-20 00:29:23,755 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b31d6f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:29:23, skipping insertion in model container [2020-10-20 00:29:23,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:23" (3/3) ... [2020-10-20 00:29:23,757 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2020-10-20 00:29:23,769 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:29:23,777 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:29:23,801 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:29:23,827 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:29:23,827 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:29:23,827 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:29:23,828 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:29:23,828 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:29:23,828 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:29:23,828 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:29:23,829 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:29:23,848 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-10-20 00:29:23,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:29:23,855 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:23,856 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:23,856 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:23,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:23,863 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2020-10-20 00:29:23,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:23,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235023370] [2020-10-20 00:29:23,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:23,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:29:24,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:29:24,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235023370] [2020-10-20 00:29:24,052 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:29:24,052 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-20 00:29:24,053 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929181232] [2020-10-20 00:29:24,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:29:24,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 00:29:24,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:29:24,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:24,076 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-10-20 00:29:24,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:29:24,112 INFO L93 Difference]: Finished difference Result 235 states and 395 transitions. [2020-10-20 00:29:24,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:29:24,114 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:29:24,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:29:24,128 INFO L225 Difference]: With dead ends: 235 [2020-10-20 00:29:24,128 INFO L226 Difference]: Without dead ends: 115 [2020-10-20 00:29:24,132 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:29:24,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-20 00:29:24,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-20 00:29:24,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 00:29:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2020-10-20 00:29:24,184 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2020-10-20 00:29:24,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:29:24,184 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2020-10-20 00:29:24,185 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:29:24,185 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2020-10-20 00:29:24,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:29:24,186 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:29:24,186 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:29:24,187 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-20 00:29:24,187 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:29:24,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:29:24,188 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2020-10-20 00:29:24,188 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 00:29:24,188 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517336526] [2020-10-20 00:29:24,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 00:29:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:24,301 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:29:24,419 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:29:24,484 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 00:29:24,485 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:29:24,487 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-20 00:29:24,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:29:24 BoogieIcfgContainer [2020-10-20 00:29:24,551 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:29:24,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:29:24,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:29:24,552 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:29:24,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:29:23" (3/4) ... [2020-10-20 00:29:24,558 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 00:29:24,558 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:29:24,561 INFO L168 Benchmark]: Toolchain (without parser) took 2566.96 ms. Allocated memory was 35.1 MB in the beginning and 53.0 MB in the end (delta: 17.8 MB). Free memory was 7.9 MB in the beginning and 14.3 MB in the end (delta: -6.4 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:24,562 INFO L168 Benchmark]: CDTParser took 0.78 ms. Allocated memory is still 34.6 MB. Free memory is still 11.9 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:29:24,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.37 ms. Allocated memory was 35.1 MB in the beginning and 45.6 MB in the end (delta: 10.5 MB). Free memory was 7.1 MB in the beginning and 21.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:24,564 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.91 ms. Allocated memory is still 45.6 MB. Free memory was 21.7 MB in the beginning and 17.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:24,565 INFO L168 Benchmark]: Boogie Preprocessor took 79.25 ms. Allocated memory was 45.6 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Free memory was 17.9 MB in the beginning and 28.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:24,566 INFO L168 Benchmark]: RCFGBuilder took 922.19 ms. Allocated memory was 47.7 MB in the beginning and 50.9 MB in the end (delta: 3.1 MB). Free memory was 28.4 MB in the beginning and 13.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:29:24,567 INFO L168 Benchmark]: TraceAbstraction took 802.21 ms. Allocated memory was 50.9 MB in the beginning and 53.0 MB in the end (delta: 2.1 MB). Free memory was 12.6 MB in the beginning and 14.7 MB in the end (delta: -2.1 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 00:29:24,568 INFO L168 Benchmark]: Witness Printer took 6.21 ms. Allocated memory is still 53.0 MB. Free memory was 14.7 MB in the beginning and 14.3 MB in the end (delta: 437.4 kB). Peak memory consumption was 437.4 kB. Max. memory is 14.3 GB. [2020-10-20 00:29:24,574 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.78 ms. Allocated memory is still 34.6 MB. Free memory is still 11.9 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 659.37 ms. Allocated memory was 35.1 MB in the beginning and 45.6 MB in the end (delta: 10.5 MB). Free memory was 7.1 MB in the beginning and 21.8 MB in the end (delta: -14.7 MB). Peak memory consumption was 7.3 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 85.91 ms. Allocated memory is still 45.6 MB. Free memory was 21.7 MB in the beginning and 17.9 MB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 79.25 ms. Allocated memory was 45.6 MB in the beginning and 47.7 MB in the end (delta: 2.1 MB). Free memory was 17.9 MB in the beginning and 28.4 MB in the end (delta: -10.5 MB). Peak memory consumption was 6.9 MB. Max. memory is 14.3 GB. * RCFGBuilder took 922.19 ms. Allocated memory was 47.7 MB in the beginning and 50.9 MB in the end (delta: 3.1 MB). Free memory was 28.4 MB in the beginning and 13.3 MB in the end (delta: 15.1 MB). Peak memory consumption was 19.5 MB. Max. memory is 14.3 GB. * TraceAbstraction took 802.21 ms. Allocated memory was 50.9 MB in the beginning and 53.0 MB in the end (delta: 2.1 MB). Free memory was 12.6 MB in the beginning and 14.7 MB in the end (delta: -2.1 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 6.21 ms. Allocated memory is still 53.0 MB. Free memory was 14.7 MB in the beginning and 14.3 MB in the end (delta: 437.4 kB). Peak memory consumption was 437.4 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 3]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 269. 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] [L265] double x = 0.0; [L266] double y = 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L267] double res = __ieee754_atan2(y, x); [L269] EXPR res == 0.0 && __signbit_double(res) == 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 !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0681a.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, 119 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 167 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 00:29:26,727 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-10-20 00:29:26,845 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 00:29:26,846 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 00:29:26,847 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 00:29:26,848 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 00:29:26,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 00:29:26,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 00:29:26,851 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 00:29:26,851 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 00:29:26,852 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 00:29:26,852 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 00:29:26,854 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 00:29:26,857 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-20 00:29:26,901 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 00:29:26,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 00:29:26,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 00:29:26,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 00:29:26,904 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 00:29:26,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 00:29:26,904 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 00:29:26,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 00:29:26,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 00:29:26,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 00:29:26,906 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 00:29:26,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 00:29:26,907 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-20 00:29:26,907 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-20 00:29:26,908 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 00:29:26,908 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 00:29:26,908 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 00:29:26,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 00:29:26,909 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 00:29:26,909 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 00:29:26,909 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 00:29:26,909 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 00:29:26,910 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:26,910 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 00:29:26,910 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 00:29:26,911 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 00:29:26,911 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-20 00:29:26,911 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-20 00:29:26,911 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 00:29:26,912 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 00:29:26,912 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-20 00:29:26,912 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50b586478a7305427fbe78a3e49b383cfc2fc5af [2020-10-20 00:29:27,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 00:29:27,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 00:29:27,142 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 00:29:27,144 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 00:29:27,145 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 00:29:27,146 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2020-10-20 00:29:27,221 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464cf04a1/c3aa109164e449d58565c7c8557a2af0/FLAG4bbce24d7 [2020-10-20 00:29:27,766 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 00:29:27,767 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0681a.c [2020-10-20 00:29:27,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464cf04a1/c3aa109164e449d58565c7c8557a2af0/FLAG4bbce24d7 [2020-10-20 00:29:28,222 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/464cf04a1/c3aa109164e449d58565c7c8557a2af0 [2020-10-20 00:29:28,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 00:29:28,233 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 00:29:28,235 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:28,235 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 00:29:28,238 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 00:29:28,239 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69b9e44d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28, skipping insertion in model container [2020-10-20 00:29:28,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 00:29:28,280 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 00:29:28,618 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:28,635 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 00:29:28,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 00:29:28,743 INFO L208 MainTranslator]: Completed translation [2020-10-20 00:29:28,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28 WrapperNode [2020-10-20 00:29:28,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 00:29:28,745 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:28,745 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 00:29:28,746 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 00:29:28,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,776 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,827 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 00:29:28,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 00:29:28,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 00:29:28,829 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 00:29:28,839 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,839 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,850 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,878 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... [2020-10-20 00:29:28,905 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 00:29:28,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 00:29:28,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 00:29:28,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 00:29:28,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 00:29:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-20 00:29:28,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-20 00:29:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-20 00:29:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 00:29:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-20 00:29:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-20 00:29:28,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 00:29:28,976 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 00:29:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-20 00:29:28,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-20 00:30:09,640 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 00:30:09,641 INFO L298 CfgBuilder]: Removed 50 assume(true) statements. [2020-10-20 00:30:09,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:09 BoogieIcfgContainer [2020-10-20 00:30:09,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 00:30:09,646 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 00:30:09,647 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 00:30:09,651 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 00:30:09,652 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 12:29:28" (1/3) ... [2020-10-20 00:30:09,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc0b77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:30:09, skipping insertion in model container [2020-10-20 00:30:09,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 12:29:28" (2/3) ... [2020-10-20 00:30:09,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cc0b77c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 12:30:09, skipping insertion in model container [2020-10-20 00:30:09,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:09" (3/3) ... [2020-10-20 00:30:09,659 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0681a.c [2020-10-20 00:30:09,670 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 00:30:09,677 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-20 00:30:09,687 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-20 00:30:09,710 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 00:30:09,710 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 00:30:09,710 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 00:30:09,710 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 00:30:09,710 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 00:30:09,711 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 00:30:09,711 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 00:30:09,711 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 00:30:09,739 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2020-10-20 00:30:09,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-20 00:30:09,745 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:09,746 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:09,746 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:09,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:09,753 INFO L82 PathProgramCache]: Analyzing trace with hash 531143789, now seen corresponding path program 1 times [2020-10-20 00:30:09,766 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:09,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1831853331] [2020-10-20 00:30:09,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-20 00:30:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:30:10,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-20 00:30:10,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:30:10,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:10,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:30:10,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:10,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1831853331] [2020-10-20 00:30:10,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:30:10,183 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-20 00:30:10,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694254166] [2020-10-20 00:30:10,189 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-20 00:30:10,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:30:10,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-20 00:30:10,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:30:10,207 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2020-10-20 00:30:10,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:30:10,243 INFO L93 Difference]: Finished difference Result 235 states and 395 transitions. [2020-10-20 00:30:10,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-20 00:30:10,245 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-20 00:30:10,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:30:10,263 INFO L225 Difference]: With dead ends: 235 [2020-10-20 00:30:10,264 INFO L226 Difference]: Without dead ends: 115 [2020-10-20 00:30:10,268 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-20 00:30:10,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-20 00:30:10,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2020-10-20 00:30:10,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-20 00:30:10,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 164 transitions. [2020-10-20 00:30:10,324 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 164 transitions. Word has length 11 [2020-10-20 00:30:10,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:30:10,324 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 164 transitions. [2020-10-20 00:30:10,324 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-20 00:30:10,325 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 164 transitions. [2020-10-20 00:30:10,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-20 00:30:10,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:10,326 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:10,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-20 00:30:10,537 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:10,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:10,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1379574948, now seen corresponding path program 1 times [2020-10-20 00:30:10,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:10,541 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [799115926] [2020-10-20 00:30:10,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-20 00:30:10,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 00:30:10,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 15 conjunts are in the unsatisfiable core [2020-10-20 00:30:10,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 00:30:11,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:11,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-20 00:30:11,432 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 00:30:11,717 INFO L603 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-10-20 00:30:11,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 00:30:11,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [799115926] [2020-10-20 00:30:11,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-20 00:30:11,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2020-10-20 00:30:11,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022068410] [2020-10-20 00:30:11,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-20 00:30:11,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-20 00:30:11,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-20 00:30:11,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-20 00:30:11,902 INFO L87 Difference]: Start difference. First operand 115 states and 164 transitions. Second operand 12 states. [2020-10-20 00:30:14,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 00:30:14,468 INFO L93 Difference]: Finished difference Result 171 states and 238 transitions. [2020-10-20 00:30:14,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-20 00:30:14,470 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 13 [2020-10-20 00:30:14,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-20 00:30:14,472 INFO L225 Difference]: With dead ends: 171 [2020-10-20 00:30:14,472 INFO L226 Difference]: Without dead ends: 76 [2020-10-20 00:30:14,474 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-20 00:30:14,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-20 00:30:14,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-10-20 00:30:14,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-10-20 00:30:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 98 transitions. [2020-10-20 00:30:14,498 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 98 transitions. Word has length 13 [2020-10-20 00:30:14,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-20 00:30:14,500 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 98 transitions. [2020-10-20 00:30:14,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-20 00:30:14,502 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 98 transitions. [2020-10-20 00:30:14,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-20 00:30:14,503 INFO L414 BasicCegarLoop]: Found error trace [2020-10-20 00:30:14,504 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 00:30:14,718 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-20 00:30:14,719 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-20 00:30:14,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 00:30:14,720 INFO L82 PathProgramCache]: Analyzing trace with hash -640703133, now seen corresponding path program 1 times [2020-10-20 00:30:14,721 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-20 00:30:14,722 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [687283340] [2020-10-20 00:30:14,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2020-10-20 00:30:15,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:30:15,481 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:30:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 00:30:16,271 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 00:30:16,416 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-20 00:30:16,416 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-20 00:30:16,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2020-10-20 00:30:16,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 12:30:16 BoogieIcfgContainer [2020-10-20 00:30:16,707 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 00:30:16,708 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 00:30:16,708 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 00:30:16,708 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 00:30:16,709 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 12:30:09" (3/4) ... [2020-10-20 00:30:16,712 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-20 00:30:16,824 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 00:30:16,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 00:30:16,846 INFO L168 Benchmark]: Toolchain (without parser) took 48602.38 ms. Allocated memory was 35.1 MB in the beginning and 57.7 MB in the end (delta: 22.5 MB). Free memory was 14.3 MB in the beginning and 11.3 MB in the end (delta: 3.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,848 INFO L168 Benchmark]: CDTParser took 0.34 ms. Allocated memory is still 33.0 MB. Free memory was 9.1 MB in the beginning and 9.0 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,850 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.25 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.4 MB in the beginning and 16.6 MB in the end (delta: -3.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,853 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.61 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 16.4 MB in the beginning and 23.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,853 INFO L168 Benchmark]: Boogie Preprocessor took 78.37 ms. Allocated memory is still 44.0 MB. Free memory was 23.3 MB in the beginning and 19.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,854 INFO L168 Benchmark]: RCFGBuilder took 40738.29 ms. Allocated memory was 44.0 MB in the beginning and 48.8 MB in the end (delta: 4.7 MB). Free memory was 19.2 MB in the beginning and 14.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,858 INFO L168 Benchmark]: TraceAbstraction took 7061.15 ms. Allocated memory was 48.8 MB in the beginning and 57.7 MB in the end (delta: 8.9 MB). Free memory was 14.6 MB in the beginning and 17.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,858 INFO L168 Benchmark]: Witness Printer took 120.45 ms. Allocated memory is still 57.7 MB. Free memory was 17.8 MB in the beginning and 11.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 00:30:16,864 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34 ms. Allocated memory is still 33.0 MB. Free memory was 9.1 MB in the beginning and 9.0 MB in the end (delta: 43.7 kB). Peak memory consumption was 43.7 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 510.25 ms. Allocated memory was 35.1 MB in the beginning and 43.5 MB in the end (delta: 8.4 MB). Free memory was 13.4 MB in the beginning and 16.6 MB in the end (delta: -3.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 82.61 ms. Allocated memory was 43.5 MB in the beginning and 44.0 MB in the end (delta: 524.3 kB). Free memory was 16.4 MB in the beginning and 23.3 MB in the end (delta: -6.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 78.37 ms. Allocated memory is still 44.0 MB. Free memory was 23.3 MB in the beginning and 19.2 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 40738.29 ms. Allocated memory was 44.0 MB in the beginning and 48.8 MB in the end (delta: 4.7 MB). Free memory was 19.2 MB in the beginning and 14.9 MB in the end (delta: 4.3 MB). Peak memory consumption was 12.7 MB. Max. memory is 14.3 GB. * TraceAbstraction took 7061.15 ms. Allocated memory was 48.8 MB in the beginning and 57.7 MB in the end (delta: 8.9 MB). Free memory was 14.6 MB in the beginning and 17.8 MB in the end (delta: -3.2 MB). Peak memory consumption was 5.7 MB. Max. memory is 14.3 GB. * Witness Printer took 120.45 ms. Allocated memory is still 57.7 MB. Free memory was 17.8 MB in the beginning and 11.3 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L265] double x = 0.0; [L266] double y = 0.0; [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L163-L164] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L166] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L168] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L170] COND FALSE !((iy | ly) == 0) VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L182] COND TRUE (ix | lx) == 0 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L183] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L183] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L267] double res = __ieee754_atan2(y, x); [L269] EXPR res == 0.0 && __signbit_double(res) == 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 !(res == 0.0 && __signbit_double(res) == 0) [L3] __assert_fail("0", "double_req_bl_0681a.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, 119 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 6.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 250 SDtfs, 648 SDslu, 14 SDs, 0 SdLazy, 30 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=119occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 44 ConstructedInterpolants, 13 QuantifiedInterpolants, 5360 SizeOfPredicates, 16 NumberOfNonLiveVariables, 258 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...