./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version c1f4b5c4 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0680a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa80d60694a6a02d32fddddbbe44c204edcedd1 ......................................................................................................................................................................................................................................................................................................................... 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 -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0680a.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(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash baa80d60694a6a02d32fddddbbe44c204edcedd1 ................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.25-c1f4b5c [2019-12-08 15:47:14,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:14,881 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:14,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:47:14,900 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:47:14,902 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:47:14,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:47:14,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:47:14,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:47:14,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:47:14,925 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:47:14,928 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:47:14,928 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:14,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:14,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:14,936 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:14,938 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:14,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:14,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:14,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:14,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:14,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:14,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:14,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:14,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:47:14,960 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:47:14,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:47:14,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:47:14,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:47:14,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:47:14,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:14,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:14,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:14,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:14,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:14,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:14,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:14,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:14,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:14,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:14,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:14,972 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-08 15:47:14,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:14,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:14,988 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:14,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:14,989 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:14,989 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:14,989 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:14,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-08 15:47:14,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:14,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:14,990 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:14,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:14,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:14,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:14,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:14,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:14,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:14,993 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:14,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:14,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:14,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:14,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:14,994 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:14,994 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:14,995 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:14,995 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-08 15:47:14,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-08 15:47:14,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:14,996 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:14,996 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> baa80d60694a6a02d32fddddbbe44c204edcedd1 [2019-12-08 15:47:15,310 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:15,323 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:15,327 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:15,328 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:15,329 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:15,329 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-08 15:47:15,389 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6ee5736/e6876932d58d4639af853220ad295f3f/FLAGbb432cfba [2019-12-08 15:47:15,881 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:15,881 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-08 15:47:15,889 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6ee5736/e6876932d58d4639af853220ad295f3f/FLAGbb432cfba [2019-12-08 15:47:16,234 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d6ee5736/e6876932d58d4639af853220ad295f3f [2019-12-08 15:47:16,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:16,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:16,240 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:16,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:16,244 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:16,247 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,250 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bfb56c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16, skipping insertion in model container [2019-12-08 15:47:16,250 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,258 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:16,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:16,597 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:16,614 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:16,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:16,703 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:16,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16 WrapperNode [2019-12-08 15:47:16,704 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:16,705 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:16,705 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:16,705 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:16,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,729 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,789 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:16,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:16,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:16,790 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:16,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,806 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,869 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (1/1) ... [2019-12-08 15:47:16,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:16,879 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:16,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:16,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:16,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (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 [2019-12-08 15:47:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-12-08 15:47:16,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-08 15:47:16,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-12-08 15:47:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:16,941 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-08 15:47:16,941 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2019-12-08 15:47:16,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:47:17,807 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:47:17,808 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-08 15:47:17,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:17 BoogieIcfgContainer [2019-12-08 15:47:17,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:47:17,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:47:17,811 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:47:17,814 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:47:17,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:16" (1/3) ... [2019-12-08 15:47:17,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f73690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:17, skipping insertion in model container [2019-12-08 15:47:17,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:16" (2/3) ... [2019-12-08 15:47:17,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75f73690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:47:17, skipping insertion in model container [2019-12-08 15:47:17,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:17" (3/3) ... [2019-12-08 15:47:17,819 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2019-12-08 15:47:17,830 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:47:17,838 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:47:17,851 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:47:17,879 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:47:17,879 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:47:17,879 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:47:17,880 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:47:17,881 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:47:17,881 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:47:17,881 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:47:17,881 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:47:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-08 15:47:17,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-08 15:47:17,921 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:17,922 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:17,922 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:17,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:17,930 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-08 15:47:17,939 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:17,940 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091801425] [2019-12-08 15:47:17,940 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:47:18,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:47:18,152 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091801425] [2019-12-08 15:47:18,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:47:18,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-08 15:47:18,155 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567380046] [2019-12-08 15:47:18,160 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:47:18,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-08 15:47:18,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:47:18,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:47:18,179 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-08 15:47:18,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:47:18,213 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-08 15:47:18,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:47:18,214 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-08 15:47:18,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:47:18,228 INFO L225 Difference]: With dead ends: 224 [2019-12-08 15:47:18,228 INFO L226 Difference]: Without dead ends: 110 [2019-12-08 15:47:18,232 INFO L631 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 [2019-12-08 15:47:18,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-08 15:47:18,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-08 15:47:18,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-08 15:47:18,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-08 15:47:18,284 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-08 15:47:18,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:47:18,285 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-08 15:47:18,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:47:18,285 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-08 15:47:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:47:18,286 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:47:18,286 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:47:18,287 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:47:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:47:18,288 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-08 15:47:18,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-08 15:47:18,288 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [506693544] [2019-12-08 15:47:18,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-08 15:47:18,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:18,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:47:18,506 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-08 15:47:18,507 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:47:18,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:47:18 BoogieIcfgContainer [2019-12-08 15:47:18,572 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:47:18,573 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:47:18,573 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:47:18,574 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:47:18,574 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:47:17" (3/4) ... [2019-12-08 15:47:18,579 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-08 15:47:18,579 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:47:18,584 INFO L168 Benchmark]: Toolchain (without parser) took 2342.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.7 MB in the beginning and 1.0 GB in the end (delta: -56.3 MB). Peak memory consumption was 78.0 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,584 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:18,586 INFO L168 Benchmark]: CACSL2BoogieTranslator took 465.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,588 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:18,589 INFO L168 Benchmark]: Boogie Preprocessor took 89.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,591 INFO L168 Benchmark]: RCFGBuilder took 930.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,592 INFO L168 Benchmark]: TraceAbstraction took 761.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. [2019-12-08 15:47:18,593 INFO L168 Benchmark]: Witness Printer took 6.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:47:18,610 INFO L335 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 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 465.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -160.1 MB). Peak memory consumption was 20.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.60 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 930.03 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.8 MB). Peak memory consumption was 50.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 761.84 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.67 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 257]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of bitwiseOr at line 162, overapproximation of someUnaryDOUBLEoperation at line 251, overapproximation of bitwiseAnd at line 160, overapproximation of someBinaryArithmeticDOUBLEoperation at line 163, overapproximation of someBinaryDOUBLEComparisonOperation at line 256. Possible FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L251] double x = -0.0; [L252] double y = -0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L161-L162] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L163] return x + y; VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L254] double res = __ieee754_atan2(y, x); [L256] COND TRUE res != -pi VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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] [L257] __VERIFIER_error() VAL [aT_atan={6:0}, atanhi_atan={3:0}, atanlo_atan={5:0}, 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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 161 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=113occurred 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, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 81 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, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.25-c1f4b5c [2019-12-08 15:47:20,691 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-08 15:47:20,693 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-08 15:47:20,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-08 15:47:20,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-08 15:47:20,715 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-08 15:47:20,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-08 15:47:20,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-08 15:47:20,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-08 15:47:20,734 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-08 15:47:20,736 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-08 15:47:20,739 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-08 15:47:20,739 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-08 15:47:20,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-08 15:47:20,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-08 15:47:20,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-08 15:47:20,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-08 15:47:20,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-08 15:47:20,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-08 15:47:20,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-08 15:47:20,754 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-08 15:47:20,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-08 15:47:20,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-08 15:47:20,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-08 15:47:20,762 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-08 15:47:20,763 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-08 15:47:20,763 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-08 15:47:20,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-08 15:47:20,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-08 15:47:20,765 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-08 15:47:20,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-08 15:47:20,766 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-08 15:47:20,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-08 15:47:20,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-08 15:47:20,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-08 15:47:20,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-08 15:47:20,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-08 15:47:20,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-08 15:47:20,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-08 15:47:20,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-08 15:47:20,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-08 15:47:20,777 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-08 15:47:20,792 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-08 15:47:20,792 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-08 15:47:20,794 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-08 15:47:20,794 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-08 15:47:20,794 INFO L138 SettingsManager]: * Use SBE=true [2019-12-08 15:47:20,795 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-08 15:47:20,795 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-08 15:47:20,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-08 15:47:20,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-08 15:47:20,796 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-08 15:47:20,796 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-08 15:47:20,796 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-08 15:47:20,797 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-08 15:47:20,797 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-08 15:47:20,797 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-08 15:47:20,797 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-08 15:47:20,798 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-08 15:47:20,798 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-08 15:47:20,798 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-08 15:47:20,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-08 15:47:20,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-08 15:47:20,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-08 15:47:20,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:20,801 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-08 15:47:20,801 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-08 15:47:20,801 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-08 15:47:20,802 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-08 15:47:20,802 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-08 15:47:20,802 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-08 15:47:20,802 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-08 15:47:20,802 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-08 15:47:20,803 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_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 -> baa80d60694a6a02d32fddddbbe44c204edcedd1 [2019-12-08 15:47:21,164 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-08 15:47:21,184 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-08 15:47:21,188 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-08 15:47:21,190 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-08 15:47:21,191 INFO L275 PluginConnector]: CDTParser initialized [2019-12-08 15:47:21,192 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-08 15:47:21,254 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fdaa571/2f69fbb734e64d7c8eab88a3fd48c101/FLAGd62ab74a2 [2019-12-08 15:47:21,709 INFO L306 CDTParser]: Found 1 translation units. [2019-12-08 15:47:21,710 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0680a.c [2019-12-08 15:47:21,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fdaa571/2f69fbb734e64d7c8eab88a3fd48c101/FLAGd62ab74a2 [2019-12-08 15:47:22,052 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fdaa571/2f69fbb734e64d7c8eab88a3fd48c101 [2019-12-08 15:47:22,055 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-08 15:47:22,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-08 15:47:22,058 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:22,059 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-08 15:47:22,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-08 15:47:22,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,066 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@183c92ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22, skipping insertion in model container [2019-12-08 15:47:22,067 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,074 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-08 15:47:22,103 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-08 15:47:22,403 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:22,413 INFO L203 MainTranslator]: Completed pre-run [2019-12-08 15:47:22,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-08 15:47:22,578 INFO L208 MainTranslator]: Completed translation [2019-12-08 15:47:22,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22 WrapperNode [2019-12-08 15:47:22,578 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-08 15:47:22,579 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:22,579 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-08 15:47:22,580 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-08 15:47:22,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,604 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,655 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-08 15:47:22,656 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-08 15:47:22,656 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-08 15:47:22,656 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-08 15:47:22,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,667 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,677 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,706 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... [2019-12-08 15:47:22,738 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-08 15:47:22,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-08 15:47:22,741 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-08 15:47:22,741 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-08 15:47:22,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-08 15:47:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2019-12-08 15:47:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2019-12-08 15:47:22,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-08 15:47:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2019-12-08 15:47:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-08 15:47:22,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-08 15:47:22,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-08 15:47:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-08 15:47:22,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-08 15:48:01,451 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-08 15:48:01,451 INFO L287 CfgBuilder]: Removed 44 assume(true) statements. [2019-12-08 15:48:01,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:01 BoogieIcfgContainer [2019-12-08 15:48:01,453 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-08 15:48:01,454 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-08 15:48:01,454 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-08 15:48:01,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-08 15:48:01,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 03:47:22" (1/3) ... [2019-12-08 15:48:01,458 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d19ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:48:01, skipping insertion in model container [2019-12-08 15:48:01,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 03:47:22" (2/3) ... [2019-12-08 15:48:01,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10d19ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 03:48:01, skipping insertion in model container [2019-12-08 15:48:01,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:01" (3/3) ... [2019-12-08 15:48:01,460 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_0680a.c [2019-12-08 15:48:01,467 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-08 15:48:01,475 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-08 15:48:01,484 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-08 15:48:01,508 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-08 15:48:01,508 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-08 15:48:01,508 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-08 15:48:01,508 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-08 15:48:01,509 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-08 15:48:01,509 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-08 15:48:01,509 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-08 15:48:01,509 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-08 15:48:01,527 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states. [2019-12-08 15:48:01,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-08 15:48:01,534 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:01,535 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:01,536 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:01,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:01,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1264059097, now seen corresponding path program 1 times [2019-12-08 15:48:01,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:01,552 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [23131838] [2019-12-08 15:48:01,552 INFO L94 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 [2019-12-08 15:48:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:48:01,945 INFO L264 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 1 conjunts are in the unsatisfiable core [2019-12-08 15:48:01,949 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:48:01,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:01,962 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:48:01,965 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:01,966 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [23131838] [2019-12-08 15:48:01,967 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:48:01,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-12-08 15:48:01,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448246111] [2019-12-08 15:48:01,974 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-08 15:48:01,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:48:01,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-08 15:48:01,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:48:01,992 INFO L87 Difference]: Start difference. First operand 113 states. Second operand 2 states. [2019-12-08 15:48:02,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:48:02,032 INFO L93 Difference]: Finished difference Result 224 states and 378 transitions. [2019-12-08 15:48:02,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-08 15:48:02,034 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-12-08 15:48:02,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:48:02,047 INFO L225 Difference]: With dead ends: 224 [2019-12-08 15:48:02,048 INFO L226 Difference]: Without dead ends: 110 [2019-12-08 15:48:02,052 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-08 15:48:02,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2019-12-08 15:48:02,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2019-12-08 15:48:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-12-08 15:48:02,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 158 transitions. [2019-12-08 15:48:02,102 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 158 transitions. Word has length 10 [2019-12-08 15:48:02,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:48:02,103 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 158 transitions. [2019-12-08 15:48:02,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-08 15:48:02,104 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 158 transitions. [2019-12-08 15:48:02,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-08 15:48:02,104 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:02,105 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:02,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-08 15:48:02,318 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:02,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:02,319 INFO L82 PathProgramCache]: Analyzing trace with hash -925329470, now seen corresponding path program 1 times [2019-12-08 15:48:02,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:02,320 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1876458882] [2019-12-08 15:48:02,321 INFO L94 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 [2019-12-08 15:48:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-08 15:48:02,865 INFO L264 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 15 conjunts are in the unsatisfiable core [2019-12-08 15:48:02,868 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-08 15:48:03,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:03,130 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-08 15:48:03,281 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:03,487 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-12-08 15:48:03,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-08 15:48:03,639 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1876458882] [2019-12-08 15:48:03,640 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-08 15:48:03,640 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [] total 12 [2019-12-08 15:48:03,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848273658] [2019-12-08 15:48:03,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-12-08 15:48:03,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-08 15:48:03,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-12-08 15:48:03,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2019-12-08 15:48:03,643 INFO L87 Difference]: Start difference. First operand 110 states and 158 transitions. Second operand 12 states. [2019-12-08 15:48:05,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-08 15:48:05,791 INFO L93 Difference]: Finished difference Result 161 states and 226 transitions. [2019-12-08 15:48:05,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-08 15:48:05,793 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2019-12-08 15:48:05,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-08 15:48:05,794 INFO L225 Difference]: With dead ends: 161 [2019-12-08 15:48:05,794 INFO L226 Difference]: Without dead ends: 71 [2019-12-08 15:48:05,796 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2019-12-08 15:48:05,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2019-12-08 15:48:05,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2019-12-08 15:48:05,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2019-12-08 15:48:05,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2019-12-08 15:48:05,810 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 12 [2019-12-08 15:48:05,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-08 15:48:05,810 INFO L462 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2019-12-08 15:48:05,810 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-12-08 15:48:05,811 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2019-12-08 15:48:05,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-08 15:48:05,812 INFO L403 BasicCegarLoop]: Found error trace [2019-12-08 15:48:05,812 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-08 15:48:06,015 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-08 15:48:06,016 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-08 15:48:06,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-08 15:48:06,017 INFO L82 PathProgramCache]: Analyzing trace with hash 808768545, now seen corresponding path program 1 times [2019-12-08 15:48:06,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-08 15:48:06,018 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [888739228] [2019-12-08 15:48:06,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-12-08 15:48:06,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:48:07,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-08 15:48:07,488 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-08 15:48:07,489 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-08 15:48:07,690 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-12-08 15:48:07,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 03:48:07 BoogieIcfgContainer [2019-12-08 15:48:07,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-08 15:48:07,765 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-08 15:48:07,765 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-08 15:48:07,766 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-08 15:48:07,766 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 03:48:01" (3/4) ... [2019-12-08 15:48:07,769 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-12-08 15:48:07,942 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-12-08 15:48:07,942 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-08 15:48:07,944 INFO L168 Benchmark]: Toolchain (without parser) took 45887.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.7 MB in the beginning and 889.8 MB in the end (delta: 67.9 MB). Peak memory consumption was 222.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,945 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-08 15:48:07,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,952 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,955 INFO L168 Benchmark]: Boogie Preprocessor took 82.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,955 INFO L168 Benchmark]: RCFGBuilder took 38713.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,956 INFO L168 Benchmark]: TraceAbstraction took 6310.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 896.3 MB in the end (delta: 152.0 MB). Peak memory consumption was 152.0 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,956 INFO L168 Benchmark]: Witness Printer took 177.08 ms. Allocated memory is still 1.2 GB. Free memory was 896.3 MB in the beginning and 889.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-12-08 15:48:07,961 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 520.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -186.9 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 82.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 38713.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 76.6 MB). Peak memory consumption was 76.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6310.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 896.3 MB in the end (delta: 152.0 MB). Peak memory consumption was 152.0 MB. Max. memory is 11.5 GB. * Witness Printer took 177.08 ms. Allocated memory is still 1.2 GB. Free memory was 896.3 MB in the beginning and 889.8 MB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 257]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L37-L42] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L44-L49] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L51-L58] 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, }; [L60-L62] 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; [L139-L140] 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={3:0}, atanlo_atan={2:0}, 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] [L251] double x = -0.0; [L252] double y = -0.0; [L143] double z; [L144] __int32_t k, m, hx, hy, ix, iy; [L145] __uint32_t lx, ly; VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L148] ieee_double_shape_type ew_u; [L149] ew_u.value = (x) [L150] EXPR ew_u.parts.msw [L150] (hx) = ew_u.parts.msw [L151] EXPR ew_u.parts.lsw [L151] (lx) = ew_u.parts.lsw [L153] ix = hx & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L155] ieee_double_shape_type ew_u; [L156] ew_u.value = (y) [L157] EXPR ew_u.parts.msw [L157] (hy) = ew_u.parts.msw [L158] EXPR ew_u.parts.lsw [L158] (ly) = ew_u.parts.lsw [L160] iy = hy & 0x7fffffff VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L161-L162] COND FALSE !(((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000)) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L164] COND FALSE !(((hx - 0x3ff00000) | lx) == 0) [L166] m = ((hy >> 31) & 1) | ((hx >> 30) & 2) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L168] COND FALSE !((iy | ly) == 0) VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L180] COND TRUE (ix | lx) == 0 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L181] EXPR (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2 VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L181] return (hy < 0) ? -pi_o_2 - tiny_atan2 : pi_o_2 + tiny_atan2; [L254] double res = __ieee754_atan2(y, x); [L256] COND TRUE res != -pi VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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] [L257] __VERIFIER_error() VAL [aT_atan={7:0}, atanhi_atan={3:0}, atanlo_atan={2:0}, 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, 113 locations, 1 error locations. Result: UNSAFE, OverallTime: 6.1s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 238 SDtfs, 612 SDslu, 13 SDs, 0 SdLazy, 30 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 40 ConstructedInterpolants, 13 QuantifiedInterpolants, 5057 SizeOfPredicates, 16 NumberOfNonLiveVariables, 226 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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...