./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 096883e9 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0663a.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 597c506d0b3fc33883fce44a91a8553df19930fc ...................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0663a.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 597c506d0b3fc33883fce44a91a8553df19930fc ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-096883e [2020-12-01 23:10:16,669 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:16,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:16,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-01 23:10:16,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-01 23:10:16,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-01 23:10:16,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-01 23:10:16,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-01 23:10:16,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-01 23:10:16,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-01 23:10:16,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-01 23:10:16,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-01 23:10:16,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:16,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:16,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:16,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:16,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:16,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:16,730 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:16,733 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:16,735 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:16,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:16,745 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:16,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:16,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-01 23:10:16,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-01 23:10:16,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-01 23:10:16,752 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-01 23:10:16,753 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-01 23:10:16,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-01 23:10:16,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:16,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:16,757 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:16,758 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:16,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:16,760 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:16,761 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:16,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:16,762 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:16,763 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:16,764 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:16,766 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-12-01 23:10:16,798 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:16,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:16,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:16,803 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:16,803 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:16,803 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:16,804 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:16,804 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-01 23:10:16,804 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:16,804 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:16,806 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:16,806 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:16,806 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:16,806 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:16,807 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:16,807 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:16,807 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:16,808 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:16,808 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:16,808 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:16,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:16,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:16,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:16,809 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:16,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:16,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-01 23:10:16,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-01 23:10:16,810 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:16,811 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:16,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 597c506d0b3fc33883fce44a91a8553df19930fc [2020-12-01 23:10:17,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:17,210 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:17,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:17,215 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:17,218 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:17,220 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-12-01 23:10:17,299 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603133944/288d08de9ba84e4fad27141ed21f5bbe/FLAG476737d73 [2020-12-01 23:10:17,878 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:17,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-12-01 23:10:17,896 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603133944/288d08de9ba84e4fad27141ed21f5bbe/FLAG476737d73 [2020-12-01 23:10:18,241 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/603133944/288d08de9ba84e4fad27141ed21f5bbe [2020-12-01 23:10:18,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:18,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:18,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:18,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:18,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,272 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cbf2337 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18, skipping insertion in model container [2020-12-01 23:10:18,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:18,336 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:18,563 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2020-12-01 23:10:18,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,579 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:18,647 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2020-12-01 23:10:18,648 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:18,685 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:18,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18 WrapperNode [2020-12-01 23:10:18,687 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:18,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,692 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:18,692 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:18,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:18,787 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,787 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:18,787 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:18,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,807 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,835 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,852 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,860 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... [2020-12-01 23:10:18,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:18,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:18,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:18,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:18,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:19,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-01 23:10:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-12-01 23:10:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-01 23:10:19,019 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-12-01 23:10:19,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:19,020 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-01 23:10:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-12-01 23:10:19,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:10:19,907 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:10:19,907 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:10:19,912 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19 BoogieIcfgContainer [2020-12-01 23:10:19,912 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:10:19,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:10:19,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:10:19,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:10:19,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:18" (1/3) ... [2020-12-01 23:10:19,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10371d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:19, skipping insertion in model container [2020-12-01 23:10:19,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:18" (2/3) ... [2020-12-01 23:10:19,923 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10371d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:10:19, skipping insertion in model container [2020-12-01 23:10:19,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19" (3/3) ... [2020-12-01 23:10:19,925 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2020-12-01 23:10:19,940 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:10:19,944 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:10:19,954 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:10:19,984 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:10:19,984 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:10:19,984 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:10:19,984 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:10:19,985 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:10:19,985 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:10:19,985 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:10:19,985 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:10:20,004 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 23:10:20,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:10:20,010 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,012 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 23:10:20,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104373108] [2020-12-01 23:10:20,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:10:20,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:10:20,229 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104373108] [2020-12-01 23:10:20,230 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:10:20,230 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-01 23:10:20,231 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587336094] [2020-12-01 23:10:20,237 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:10:20,237 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-01 23:10:20,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:10:20,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:20,256 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 23:10:20,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:10:20,293 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-01 23:10:20,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:10:20,295 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 23:10:20,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:10:20,308 INFO L225 Difference]: With dead ends: 227 [2020-12-01 23:10:20,309 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 23:10:20,313 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:10:20,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 23:10:20,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 23:10:20,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 23:10:20,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 23:10:20,362 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 23:10:20,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:10:20,362 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 23:10:20,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:10:20,363 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 23:10:20,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:10:20,364 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:10:20,364 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:10:20,364 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-01 23:10:20,365 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:10:20,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:10:20,366 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 23:10:20,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-01 23:10:20,366 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105213610] [2020-12-01 23:10:20,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-01 23:10:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,510 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:10:20,645 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:10:20,700 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-01 23:10:20,701 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:10:20,702 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-01 23:10:20,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:10:20 BoogieIcfgContainer [2020-12-01 23:10:20,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:10:20,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:10:20,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:10:20,765 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:10:20,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:10:19" (3/4) ... [2020-12-01 23:10:20,770 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-01 23:10:20,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:10:20,773 INFO L168 Benchmark]: Toolchain (without parser) took 2516.32 ms. Allocated memory was 48.2 MB in the beginning and 71.3 MB in the end (delta: 23.1 MB). Free memory was 24.9 MB in the beginning and 40.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,774 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,774 INFO L168 Benchmark]: CACSL2BoogieTranslator took 429.36 ms. Allocated memory is still 48.2 MB. Free memory was 24.7 MB in the beginning and 21.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.49 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 39.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,777 INFO L168 Benchmark]: Boogie Preprocessor took 92.03 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 36.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,777 INFO L168 Benchmark]: RCFGBuilder took 1032.70 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 27.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. [2020-12-01 23:10:20,778 INFO L168 Benchmark]: TraceAbstraction took 847.87 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 27.3 MB in the beginning and 41.0 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,779 INFO L168 Benchmark]: Witness Printer took 5.36 ms. Allocated memory is still 71.3 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:10:20,784 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 48.2 MB. Free memory was 29.9 MB in the beginning and 29.9 MB in the end (delta: 34.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 429.36 ms. Allocated memory is still 48.2 MB. Free memory was 24.7 MB in the beginning and 21.2 MB in the end (delta: 3.5 MB). Peak memory consumption was 7.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 95.49 ms. Allocated memory was 48.2 MB in the beginning and 58.7 MB in the end (delta: 10.5 MB). Free memory was 21.2 MB in the beginning and 39.8 MB in the end (delta: -18.6 MB). Peak memory consumption was 3.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 92.03 ms. Allocated memory is still 58.7 MB. Free memory was 39.8 MB in the beginning and 36.4 MB in the end (delta: 3.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1032.70 ms. Allocated memory is still 58.7 MB. Free memory was 36.2 MB in the beginning and 27.6 MB in the end (delta: 8.5 MB). Peak memory consumption was 16.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 847.87 ms. Allocated memory was 58.7 MB in the beginning and 71.3 MB in the end (delta: 12.6 MB). Free memory was 27.3 MB in the beginning and 41.0 MB in the end (delta: -13.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.36 ms. Allocated memory is still 71.3 MB. Free memory is still 40.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 262]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 164, overapproximation of someUnaryDOUBLEoperation at line 253, overapproximation of bitwiseAnd at line 162, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={7:0}, atanhi_atan={11:0}, atanlo_atan={10:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE 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] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 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] [L262] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 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=115occurred 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 0.2.0-096883e [2020-12-01 23:10:23,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-01 23:10:23,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-01 23:10:23,487 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2020-12-01 23:10:23,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-01 23:10:23,503 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-01 23:10:23,505 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-01 23:10:23,506 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-01 23:10:23,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-01 23:10:23,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-01 23:10:23,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-01 23:10:23,514 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-01 23:10:23,516 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-01 23:10:23,521 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-01 23:10:23,523 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-01 23:10:23,524 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-01 23:10:23,530 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-12-01 23:10:23,538 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-01 23:10:23,539 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-01 23:10:23,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-01 23:10:23,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-01 23:10:23,547 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-01 23:10:23,547 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-01 23:10:23,548 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-01 23:10:23,549 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-01 23:10:23,549 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-01 23:10:23,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-01 23:10:23,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-01 23:10:23,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-12-01 23:10:23,622 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-01 23:10:23,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-01 23:10:23,627 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-01 23:10:23,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-01 23:10:23,630 INFO L138 SettingsManager]: * Use SBE=true [2020-12-01 23:10:23,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-01 23:10:23,630 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-01 23:10:23,631 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-01 23:10:23,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-01 23:10:23,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-01 23:10:23,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-01 23:10:23,633 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-01 23:10:23,633 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-01 23:10:23,633 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-01 23:10:23,634 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-01 23:10:23,634 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-01 23:10:23,634 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-01 23:10:23,634 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-01 23:10:23,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-01 23:10:23,635 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-01 23:10:23,635 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-12-01 23:10:23,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-01 23:10:23,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:23,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-01 23:10:23,637 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-01 23:10:23,637 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-01 23:10:23,637 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-01 23:10:23,638 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-12-01 23:10:23,638 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-01 23:10:23,638 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-01 23:10:23,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-01 23:10:23,639 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 597c506d0b3fc33883fce44a91a8553df19930fc [2020-12-01 23:10:24,061 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-01 23:10:24,086 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-01 23:10:24,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-01 23:10:24,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-01 23:10:24,092 INFO L275 PluginConnector]: CDTParser initialized [2020-12-01 23:10:24,093 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-12-01 23:10:24,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002f05058/65bac64a54dd4c69aac6c9c07b258d2a/FLAGdf6f471bf [2020-12-01 23:10:24,885 INFO L306 CDTParser]: Found 1 translation units. [2020-12-01 23:10:24,886 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c [2020-12-01 23:10:24,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002f05058/65bac64a54dd4c69aac6c9c07b258d2a/FLAGdf6f471bf [2020-12-01 23:10:25,242 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/002f05058/65bac64a54dd4c69aac6c9c07b258d2a [2020-12-01 23:10:25,245 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-01 23:10:25,247 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-01 23:10:25,251 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,251 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-01 23:10:25,256 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-01 23:10:25,258 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,261 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c9e0e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25, skipping insertion in model container [2020-12-01 23:10:25,262 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,270 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-01 23:10:25,323 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-01 23:10:25,609 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2020-12-01 23:10:25,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,629 INFO L203 MainTranslator]: Completed pre-run [2020-12-01 23:10:25,701 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663a.c[6220,6233] [2020-12-01 23:10:25,702 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-01 23:10:25,753 INFO L208 MainTranslator]: Completed translation [2020-12-01 23:10:25,754 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25 WrapperNode [2020-12-01 23:10:25,754 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-01 23:10:25,755 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,756 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-01 23:10:25,756 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-01 23:10:25,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,789 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,846 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-01 23:10:25,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,848 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-01 23:10:25,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-01 23:10:25,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,887 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,949 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... [2020-12-01 23:10:25,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-01 23:10:25,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-01 23:10:25,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-01 23:10:25,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-01 23:10:25,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-01 23:10:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-12-01 23:10:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-12-01 23:10:26,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-01 23:10:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-01 23:10:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-12-01 23:10:26,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-01 23:10:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-01 23:10:26,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-01 23:10:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-01 23:10:26,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-01 23:11:19,304 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-01 23:11:19,305 INFO L298 CfgBuilder]: Removed 44 assume(true) statements. [2020-12-01 23:11:19,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:19 BoogieIcfgContainer [2020-12-01 23:11:19,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-01 23:11:19,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-01 23:11:19,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-01 23:11:19,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-01 23:11:19,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 11:10:25" (1/3) ... [2020-12-01 23:11:19,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a262c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:19, skipping insertion in model container [2020-12-01 23:11:19,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:10:25" (2/3) ... [2020-12-01 23:11:19,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a262c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 11:11:19, skipping insertion in model container [2020-12-01 23:11:19,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:19" (3/3) ... [2020-12-01 23:11:19,316 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663a.c [2020-12-01 23:11:19,335 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-01 23:11:19,343 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-01 23:11:19,356 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-12-01 23:11:19,386 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-01 23:11:19,387 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-01 23:11:19,387 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-01 23:11:19,387 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-01 23:11:19,387 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-01 23:11:19,387 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-01 23:11:19,388 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-01 23:11:19,388 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-01 23:11:19,405 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states. [2020-12-01 23:11:19,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-12-01 23:11:19,412 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:19,413 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:19,413 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:19,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:19,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-12-01 23:11:19,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:19,436 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [85152084] [2020-12-01 23:11:19,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-01 23:11:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-01 23:11:19,882 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-12-01 23:11:19,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-01 23:11:19,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:19,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-12-01 23:11:19,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-01 23:11:19,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [85152084] [2020-12-01 23:11:19,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-12-01 23:11:19,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-12-01 23:11:19,933 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577791425] [2020-12-01 23:11:19,938 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-01 23:11:19,939 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-12-01 23:11:19,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-01 23:11:19,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-01 23:11:19,956 INFO L87 Difference]: Start difference. First operand 115 states. Second operand 2 states. [2020-12-01 23:11:19,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-01 23:11:19,993 INFO L93 Difference]: Finished difference Result 227 states and 382 transitions. [2020-12-01 23:11:19,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-01 23:11:19,995 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-12-01 23:11:19,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-01 23:11:20,008 INFO L225 Difference]: With dead ends: 227 [2020-12-01 23:11:20,008 INFO L226 Difference]: Without dead ends: 111 [2020-12-01 23:11:20,016 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 [2020-12-01 23:11:20,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-12-01 23:11:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-12-01 23:11:20,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-12-01 23:11:20,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-12-01 23:11:20,067 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-12-01 23:11:20,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-01 23:11:20,067 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-12-01 23:11:20,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-01 23:11:20,068 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-12-01 23:11:20,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-01 23:11:20,069 INFO L414 BasicCegarLoop]: Found error trace [2020-12-01 23:11:20,069 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-01 23:11:20,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-01 23:11:20,284 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-01 23:11:20,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-01 23:11:20,286 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-12-01 23:11:20,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-12-01 23:11:20,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [711593439] [2020-12-01 23:11:20,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-01 23:11:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:21,059 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:21,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-01 23:11:21,768 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-01 23:11:21,876 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-12-01 23:11:21,876 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-01 23:11:22,078 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-01 23:11:22,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 11:11:22 BoogieIcfgContainer [2020-12-01 23:11:22,171 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-01 23:11:22,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-01 23:11:22,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-01 23:11:22,172 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-01 23:11:22,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:11:19" (3/4) ... [2020-12-01 23:11:22,175 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-01 23:11:22,318 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-12-01 23:11:22,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-01 23:11:22,322 INFO L168 Benchmark]: Toolchain (without parser) took 57073.07 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 23.5 MB in the beginning and 31.5 MB in the end (delta: -8.0 MB). Peak memory consumption was 5.6 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,323 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-01 23:11:22,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.54 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 29.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 25.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,329 INFO L168 Benchmark]: Boogie Preprocessor took 115.73 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 21.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,330 INFO L168 Benchmark]: RCFGBuilder took 53343.11 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 31.6 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,331 INFO L168 Benchmark]: TraceAbstraction took 2862.53 ms. Allocated memory is still 56.6 MB. Free memory was 31.0 MB in the beginning and 35.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,334 INFO L168 Benchmark]: Witness Printer took 146.94 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 31.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-01 23:11:22,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 37.7 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 22.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 503.54 ms. Allocated memory is still 46.1 MB. Free memory was 23.3 MB in the beginning and 29.0 MB in the end (delta: -5.7 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 91.22 ms. Allocated memory is still 46.1 MB. Free memory was 29.0 MB in the beginning and 25.4 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 115.73 ms. Allocated memory is still 46.1 MB. Free memory was 25.4 MB in the beginning and 21.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 53343.11 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 31.6 MB in the end (delta: -10.1 MB). Peak memory consumption was 10.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 2862.53 ms. Allocated memory is still 56.6 MB. Free memory was 31.0 MB in the beginning and 35.7 MB in the end (delta: -4.7 MB). Peak memory consumption was 15.3 MB. Max. memory is 16.1 GB. * Witness Printer took 146.94 ms. Allocated memory is still 56.6 MB. Free memory was 35.7 MB in the beginning and 31.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 262]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L253] double x = -0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE 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 TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={11:0}, atanhi_atan={-2147483646:0}, atanlo_atan={3:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1.0, pi=3.141592653589793, pi_lo_atan2=0.00000000000000012246467991473532, pi_o_2=1.5707963267948966, pi_o_4=0.7853981633974483, tiny_atan2=0.0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000010, zero_atan2=0.0] [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_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] [L262] 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, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 164 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 200 SizeOfPredicates, 0 NumberOfNonLiveVariables, 115 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...