./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0663b.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 8da48de392bfeb98cf442ccd07f59108302b2d35 .................................................................................................................................................................................................................................................................................................................................... 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_0663b.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 8da48de392bfeb98cf442ccd07f59108302b2d35 ................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 21:49:18,825 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:18,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:18,875 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:18,876 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:18,878 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:18,881 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:18,883 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:18,886 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:18,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:18,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:18,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:18,893 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:18,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:18,899 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:18,901 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:18,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:18,908 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:18,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:18,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:18,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:18,937 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:18,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:18,945 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:18,956 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:18,958 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:18,959 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:18,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:18,968 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:18,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:18,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:18,975 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:18,978 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:18,980 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:18,982 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:18,983 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:18,984 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:18,984 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:18,984 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:18,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:18,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:18,991 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 21:49:19,062 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:19,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:19,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:19,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:19,068 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:19,069 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:19,069 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:19,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 21:49:19,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:19,070 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:19,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:19,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:19,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:19,073 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:19,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:19,073 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:19,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:19,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:19,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:19,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:19,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:19,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:19,076 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:19,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:19,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:19,076 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 21:49:19,077 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 21:49:19,077 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:19,077 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:19,078 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-10-25 21:49:19,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:19,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:19,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:19,691 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:19,693 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:19,695 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-25 21:49:19,807 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a0727a0/25d736ae0e65450db3670df5a164911a/FLAG6e24d0cb2 [2020-10-25 21:49:20,677 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:20,682 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-25 21:49:20,702 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a0727a0/25d736ae0e65450db3670df5a164911a/FLAG6e24d0cb2 [2020-10-25 21:49:20,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53a0727a0/25d736ae0e65450db3670df5a164911a [2020-10-25 21:49:20,984 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:20,996 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:21,000 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:21,000 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:21,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:21,008 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:20" (1/1) ... [2020-10-25 21:49:21,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6be8e55f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21, skipping insertion in model container [2020-10-25 21:49:21,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:20" (1/1) ... [2020-10-25 21:49:21,030 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:21,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:21,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:21,626 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:21,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:21,850 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:21,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21 WrapperNode [2020-10-25 21:49:21,851 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:21,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:21,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:21,854 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:21,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:21,889 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:21,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:21,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:21,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:21,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:21,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:21,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:21,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:21,991 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:22,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:22,038 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:22,049 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... [2020-10-25 21:49:22,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:22,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:22,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:22,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:22,076 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:22,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-25 21:49:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-10-25 21:49:22,212 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-25 21:49:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-10-25 21:49:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:22,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:22,213 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-25 21:49:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2020-10-25 21:49:22,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:49:23,483 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:49:23,484 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-25 21:49:23,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:23 BoogieIcfgContainer [2020-10-25 21:49:23,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:49:23,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:49:23,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:49:23,496 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:49:23,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:20" (1/3) ... [2020-10-25 21:49:23,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680f777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:23, skipping insertion in model container [2020-10-25 21:49:23,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:21" (2/3) ... [2020-10-25 21:49:23,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680f777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:49:23, skipping insertion in model container [2020-10-25 21:49:23,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:23" (3/3) ... [2020-10-25 21:49:23,502 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-10-25 21:49:23,520 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:49:23,529 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:49:23,549 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:49:23,588 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:49:23,588 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:49:23,589 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:49:23,589 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:49:23,589 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:49:23,589 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:49:23,589 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:49:23,589 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:49:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-25 21:49:23,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:49:23,625 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:23,626 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:23,627 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:23,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:23,637 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-25 21:49:23,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:23,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364362544] [2020-10-25 21:49:23,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:49:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:49:23,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364362544] [2020-10-25 21:49:23,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:49:23,933 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-25 21:49:23,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621984456] [2020-10-25 21:49:23,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:49:23,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-25 21:49:23,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:49:23,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:23,972 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-25 21:49:24,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:49:24,024 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-25 21:49:24,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:49:24,026 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:49:24,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:49:24,061 INFO L225 Difference]: With dead ends: 228 [2020-10-25 21:49:24,062 INFO L226 Difference]: Without dead ends: 111 [2020-10-25 21:49:24,067 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:49:24,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-25 21:49:24,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-25 21:49:24,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 21:49:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-25 21:49:24,149 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-25 21:49:24,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:49:24,150 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-25 21:49:24,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:49:24,150 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-25 21:49:24,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 21:49:24,151 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:49:24,151 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:49:24,152 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-25 21:49:24,152 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:49:24,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:49:24,154 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-25 21:49:24,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-25 21:49:24,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861714277] [2020-10-25 21:49:24,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-25 21:49:24,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:24,313 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:49:24,452 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:49:24,508 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-25 21:49:24,509 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:49:24,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-25 21:49:24,575 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:49:24 BoogieIcfgContainer [2020-10-25 21:49:24,575 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:49:24,577 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:49:24,577 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:49:24,577 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:49:24,579 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:49:23" (3/4) ... [2020-10-25 21:49:24,585 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-25 21:49:24,586 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:49:24,590 INFO L168 Benchmark]: Toolchain (without parser) took 3599.13 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 35.4 MB in the beginning and 34.8 MB in the end (delta: 578.1 kB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:24,591 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 31.3 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:24,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 852.20 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 37.4 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:24,593 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.59 ms. Allocated memory is still 58.7 MB. Free memory was 37.4 MB in the beginning and 33.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:24,594 INFO L168 Benchmark]: Boogie Preprocessor took 106.98 ms. Allocated memory is still 58.7 MB. Free memory was 33.9 MB in the beginning and 30.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:24,596 INFO L168 Benchmark]: RCFGBuilder took 1419.41 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 30.3 MB in the beginning and 47.4 MB in the end (delta: -17.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:24,597 INFO L168 Benchmark]: TraceAbstraction took 1084.79 ms. Allocated memory is still 75.5 MB. Free memory was 46.9 MB in the beginning and 35.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. [2020-10-25 21:49:24,598 INFO L168 Benchmark]: Witness Printer took 9.46 ms. Allocated memory is still 75.5 MB. Free memory was 35.3 MB in the beginning and 34.8 MB in the end (delta: 494.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:49:24,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 39.8 MB. Free memory was 26.4 MB in the beginning and 26.4 MB in the end (delta: 31.3 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 852.20 ms. Allocated memory is still 58.7 MB. Free memory was 34.8 MB in the beginning and 37.4 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.59 ms. Allocated memory is still 58.7 MB. Free memory was 37.4 MB in the beginning and 33.9 MB in the end (delta: 3.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 106.98 ms. Allocated memory is still 58.7 MB. Free memory was 33.9 MB in the beginning and 30.5 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1419.41 ms. Allocated memory was 58.7 MB in the beginning and 75.5 MB in the end (delta: 16.8 MB). Free memory was 30.3 MB in the beginning and 47.4 MB in the end (delta: -17.1 MB). Peak memory consumption was 14.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1084.79 ms. Allocated memory is still 75.5 MB. Free memory was 46.9 MB in the beginning and 35.3 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.5 MB. Max. memory is 16.1 GB. * Witness Printer took 9.46 ms. Allocated memory is still 75.5 MB. Free memory was 35.3 MB in the beginning and 34.8 MB in the end (delta: 494.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 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 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] [L3] __assert_fail("0", "double_req_bl_0663b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, 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=116occurred 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, 0.2s 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 0.2.0-5485861 [2020-10-25 21:49:27,808 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 21:49:27,812 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 21:49:27,852 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 21:49:27,852 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 21:49:27,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 21:49:27,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 21:49:27,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 21:49:27,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 21:49:27,861 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 21:49:27,862 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 21:49:27,864 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 21:49:27,864 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 21:49:27,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 21:49:27,867 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 21:49:27,868 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 21:49:27,879 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 21:49:27,880 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 21:49:27,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 21:49:27,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 21:49:27,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 21:49:27,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 21:49:27,889 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 21:49:27,890 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 21:49:27,893 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 21:49:27,893 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 21:49:27,894 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 21:49:27,895 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 21:49:27,895 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 21:49:27,897 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 21:49:27,897 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 21:49:27,898 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 21:49:27,899 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 21:49:27,900 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 21:49:27,901 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 21:49:27,902 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 21:49:27,903 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 21:49:27,903 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 21:49:27,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 21:49:27,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 21:49:27,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 21:49:27,907 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2020-10-25 21:49:27,932 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 21:49:27,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 21:49:27,934 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 21:49:27,935 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 21:49:27,935 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 21:49:27,935 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 21:49:27,935 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 21:49:27,936 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 21:49:27,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 21:49:27,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 21:49:27,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 21:49:27,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 21:49:27,937 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-10-25 21:49:27,937 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-10-25 21:49:27,937 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 21:49:27,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 21:49:27,938 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 21:49:27,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 21:49:27,939 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 21:49:27,939 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 21:49:27,939 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 21:49:27,939 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 21:49:27,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:27,940 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 21:49:27,940 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 21:49:27,940 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 21:49:27,941 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-10-25 21:49:27,941 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-10-25 21:49:27,941 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 21:49:27,941 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 21:49:27,941 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-25 21:49:27,942 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8da48de392bfeb98cf442ccd07f59108302b2d35 [2020-10-25 21:49:28,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 21:49:28,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 21:49:28,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 21:49:28,400 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 21:49:28,405 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 21:49:28,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-25 21:49:28,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78cfba9a/262be72847b64285a7edf085857cd3f8/FLAGfd55dd247 [2020-10-25 21:49:29,092 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 21:49:29,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2020-10-25 21:49:29,104 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78cfba9a/262be72847b64285a7edf085857cd3f8/FLAGfd55dd247 [2020-10-25 21:49:29,426 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f78cfba9a/262be72847b64285a7edf085857cd3f8 [2020-10-25 21:49:29,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 21:49:29,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 21:49:29,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:29,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 21:49:29,442 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 21:49:29,443 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:29,447 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2db9e8a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29, skipping insertion in model container [2020-10-25 21:49:29,448 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:29,457 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 21:49:29,484 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 21:49:29,798 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:29,817 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 21:49:29,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 21:49:29,934 INFO L208 MainTranslator]: Completed translation [2020-10-25 21:49:29,935 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29 WrapperNode [2020-10-25 21:49:29,935 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 21:49:29,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:29,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 21:49:29,939 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 21:49:29,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:29,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,079 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 21:49:30,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 21:49:30,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 21:49:30,085 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 21:49:30,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,133 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,242 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... [2020-10-25 21:49:30,251 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 21:49:30,252 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 21:49:30,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 21:49:30,253 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 21:49:30,254 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 21:49:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2020-10-25 21:49:30,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2020-10-25 21:49:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-10-25 21:49:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-25 21:49:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2020-10-25 21:49:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-10-25 21:49:30,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 21:49:30,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 21:49:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-10-25 21:49:30,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-25 21:50:09,048 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 21:50:09,048 INFO L298 CfgBuilder]: Removed 46 assume(true) statements. [2020-10-25 21:50:09,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:09 BoogieIcfgContainer [2020-10-25 21:50:09,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 21:50:09,052 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 21:50:09,052 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 21:50:09,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 21:50:09,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 09:49:29" (1/3) ... [2020-10-25 21:50:09,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13693e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:09, skipping insertion in model container [2020-10-25 21:50:09,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 09:49:29" (2/3) ... [2020-10-25 21:50:09,059 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13693e46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 09:50:09, skipping insertion in model container [2020-10-25 21:50:09,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:09" (3/3) ... [2020-10-25 21:50:09,061 INFO L111 eAbstractionObserver]: Analyzing ICFG double_req_bl_0663b.c [2020-10-25 21:50:09,074 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 21:50:09,083 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-25 21:50:09,098 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-25 21:50:09,130 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 21:50:09,131 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 21:50:09,131 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 21:50:09,131 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 21:50:09,131 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 21:50:09,131 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 21:50:09,131 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 21:50:09,131 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 21:50:09,153 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states. [2020-10-25 21:50:09,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-25 21:50:09,160 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:09,161 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:09,161 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:09,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:09,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1059427896, now seen corresponding path program 1 times [2020-10-25 21:50:09,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:09,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [401397099] [2020-10-25 21:50:09,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-10-25 21:50:09,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-25 21:50:09,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 1 conjunts are in the unsatisfiable core [2020-10-25 21:50:09,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-25 21:50:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:09,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-10-25 21:50:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-25 21:50:09,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [401397099] [2020-10-25 21:50:09,678 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-10-25 21:50:09,679 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2020-10-25 21:50:09,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1695905446] [2020-10-25 21:50:09,685 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-25 21:50:09,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2020-10-25 21:50:09,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-25 21:50:09,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-25 21:50:09,704 INFO L87 Difference]: Start difference. First operand 116 states. Second operand 2 states. [2020-10-25 21:50:09,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-25 21:50:09,741 INFO L93 Difference]: Finished difference Result 228 states and 383 transitions. [2020-10-25 21:50:09,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-25 21:50:09,743 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2020-10-25 21:50:09,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-25 21:50:09,756 INFO L225 Difference]: With dead ends: 228 [2020-10-25 21:50:09,756 INFO L226 Difference]: Without dead ends: 111 [2020-10-25 21:50:09,760 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 [2020-10-25 21:50:09,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-10-25 21:50:09,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2020-10-25 21:50:09,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-25 21:50:09,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 159 transitions. [2020-10-25 21:50:09,809 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 159 transitions. Word has length 11 [2020-10-25 21:50:09,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-25 21:50:09,810 INFO L481 AbstractCegarLoop]: Abstraction has 111 states and 159 transitions. [2020-10-25 21:50:09,810 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-25 21:50:09,810 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2020-10-25 21:50:09,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-25 21:50:09,811 INFO L414 BasicCegarLoop]: Found error trace [2020-10-25 21:50:09,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-25 21:50:10,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-10-25 21:50:10,028 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-25 21:50:10,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-25 21:50:10,030 INFO L82 PathProgramCache]: Analyzing trace with hash -7417919, now seen corresponding path program 1 times [2020-10-25 21:50:10,031 INFO L162 FreeRefinementEngine]: Executing refinement strategy WOLF [2020-10-25 21:50:10,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [843832395] [2020-10-25 21:50:10,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-10-25 21:50:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:10,944 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-25 21:50:11,685 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-25 21:50:11,812 INFO L173 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2020-10-25 21:50:11,812 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-25 21:50:12,014 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-10-25 21:50:12,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 09:50:12 BoogieIcfgContainer [2020-10-25 21:50:12,124 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 21:50:12,127 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 21:50:12,127 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 21:50:12,127 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 21:50:12,128 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 09:50:09" (3/4) ... [2020-10-25 21:50:12,131 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-25 21:50:12,226 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 21:50:12,226 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 21:50:12,229 INFO L168 Benchmark]: Toolchain (without parser) took 42796.92 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 28.7 MB in the beginning and 30.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 22.7 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,230 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 21:50:12,231 INFO L168 Benchmark]: CACSL2BoogieTranslator took 499.41 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 27.2 MB in the end (delta: 867.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 144.19 ms. Allocated memory is still 52.4 MB. Free memory was 27.2 MB in the beginning and 23.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,232 INFO L168 Benchmark]: Boogie Preprocessor took 167.07 ms. Allocated memory is still 52.4 MB. Free memory was 23.6 MB in the beginning and 32.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,233 INFO L168 Benchmark]: RCFGBuilder took 38798.22 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 32.3 MB in the beginning and 45.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,234 INFO L168 Benchmark]: TraceAbstraction took 3071.84 ms. Allocated memory is still 73.4 MB. Free memory was 44.9 MB in the beginning and 34.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,235 INFO L168 Benchmark]: Witness Printer took 99.85 ms. Allocated memory is still 73.4 MB. Free memory was 34.5 MB in the beginning and 30.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 21:50:12,240 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 52.4 MB. Free memory was 33.6 MB in the beginning and 33.6 MB in the end (delta: 33.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 499.41 ms. Allocated memory is still 52.4 MB. Free memory was 28.1 MB in the beginning and 27.2 MB in the end (delta: 867.2 kB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 144.19 ms. Allocated memory is still 52.4 MB. Free memory was 27.2 MB in the beginning and 23.6 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 167.07 ms. Allocated memory is still 52.4 MB. Free memory was 23.6 MB in the beginning and 32.3 MB in the end (delta: -8.8 MB). Peak memory consumption was 6.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 38798.22 ms. Allocated memory was 52.4 MB in the beginning and 73.4 MB in the end (delta: 21.0 MB). Free memory was 32.3 MB in the beginning and 45.3 MB in the end (delta: -13.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3071.84 ms. Allocated memory is still 73.4 MB. Free memory was 44.9 MB in the beginning and 34.5 MB in the end (delta: 10.4 MB). Peak memory consumption was 11.8 MB. Max. memory is 16.1 GB. * Witness Printer took 99.85 ms. Allocated memory is still 73.4 MB. Free memory was 34.5 MB in the beginning and 30.3 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: 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] [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] [L3] __assert_fail("0", "double_req_bl_0663b.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, 116 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 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=116occurred 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...