./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:33:29,041 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:33:29,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:33:29,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:33:29,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:33:29,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:33:29,102 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:33:29,102 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:33:29,103 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:33:29,103 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:33:29,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:33:29,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:33:29,103 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:33:29,103 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:33:29,103 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:33:29,103 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:33:29,103 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:33:29,104 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:33:29,104 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:29,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:33:29,105 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:33:29,106 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:33:29,106 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:33:29,106 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:33:29,106 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 [2025-02-07 18:33:29,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:33:29,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:33:29,343 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:33:29,344 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:33:29,345 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:33:29,346 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2025-02-07 18:33:30,504 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/53f7e5a9d/4d0752ae1491495c9fecf55079494e9f/FLAG1b59edc11 [2025-02-07 18:33:30,726 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:33:30,727 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2025-02-07 18:33:30,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/53f7e5a9d/4d0752ae1491495c9fecf55079494e9f/FLAG1b59edc11 [2025-02-07 18:33:30,750 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/53f7e5a9d/4d0752ae1491495c9fecf55079494e9f [2025-02-07 18:33:30,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:33:30,753 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:33:30,754 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:30,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:33:30,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:33:30,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:30" (1/1) ... [2025-02-07 18:33:30,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ece7a3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:30, skipping insertion in model container [2025-02-07 18:33:30,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:30" (1/1) ... [2025-02-07 18:33:30,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:33:30,941 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2025-02-07 18:33:30,947 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:30,961 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:33:31,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2025-02-07 18:33:31,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:31,023 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:33:31,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31 WrapperNode [2025-02-07 18:33:31,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:31,026 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:31,026 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:33:31,026 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:33:31,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,067 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 447 [2025-02-07 18:33:31,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:31,068 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:33:31,068 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:33:31,068 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:33:31,075 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,075 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,102 INFO L175 MemorySlicer]: Split 20 memory accesses to 8 slices as follows [2, 2, 3, 3, 2, 2, 3, 3]. 15 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 1, 2, 1, 1, 2, 2]. [2025-02-07 18:33:31,103 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,103 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,116 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,117 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,125 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,131 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:33:31,132 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:33:31,132 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:33:31,132 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:33:31,133 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (1/1) ... [2025-02-07 18:33:31,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:31,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:33:31,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:33:31,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:33:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:33:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:33:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:33:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:33:31,181 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:33:31,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:33:31,183 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:33:31,183 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:33:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:33:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:33:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:33:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:33:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:33:31,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:33:31,291 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:33:31,292 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:33:31,675 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:33:31,675 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume 0 == main_#t~ret35#1;havoc main_#t~ret35#1; [2025-02-07 18:33:31,675 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume !(0 == main_#t~ret35#1);havoc main_#t~ret35#1;main_#res#1 := 0;#t~ret36#1 := main_#res#1;havoc main_#t~ret34#1, main_#t~ret35#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:33:31,676 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume false;main_#res#1 := 1; [2025-02-07 18:33:31,676 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume !false; [2025-02-07 18:33:31,676 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: havoc __ieee754_asin_~lx~0#1; [2025-02-07 18:33:31,676 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: main_#t~ret34#1 := __ieee754_asin_#res#1;havoc __ieee754_asin_#t~mem28#1, __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset, __ieee754_asin_#t~mem29#1, __ieee754_asin_~#gl_u~0#1.base, __ieee754_asin_~#gl_u~0#1.offset, __ieee754_asin_#t~bitwise30#1, __ieee754_asin_~lx~0#1, __ieee754_asin_#t~ret31#1, __ieee754_asin_#t~ret32#1, __ieee754_asin_#t~mem33#1, __ieee754_asin_~#sl_u~0#1.base, __ieee754_asin_~#sl_u~0#1.offset, __ieee754_asin_~x#1, __ieee754_asin_~t~1#1, __ieee754_asin_~w~0#1, __ieee754_asin_~p~0#1, __ieee754_asin_~q~1#1, __ieee754_asin_~c~0#1, __ieee754_asin_~r~1#1, __ieee754_asin_~s~0#1, __ieee754_asin_~hx~0#1, __ieee754_asin_~ix~0#1;havoc __ieee754_asin_#in~x#1;assume { :end_inline___ieee754_asin } true;main_~res~0#1 := main_#t~ret34#1;havoc main_#t~ret34#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x#1, isnan_double_~x#1) then 1 else 0);main_#t~ret35#1 := isnan_double_#res#1;havoc isnan_double_~x#1;havoc isnan_double_#in~x#1;assume { :end_inline_isnan_double } true;assume -2147483648 <= main_#t~ret35#1 && main_#t~ret35#1 <= 2147483647; [2025-02-07 18:33:31,689 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-02-07 18:33:31,689 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:33:31,720 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:33:31,722 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-07 18:33:31,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:31 BoogieIcfgContainer [2025-02-07 18:33:31,722 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:33:31,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:33:31,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:33:31,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:33:31,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:33:30" (1/3) ... [2025-02-07 18:33:31,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10aa466e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:33:31, skipping insertion in model container [2025-02-07 18:33:31,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:31" (2/3) ... [2025-02-07 18:33:31,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10aa466e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:33:31, skipping insertion in model container [2025-02-07 18:33:31,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:31" (3/3) ... [2025-02-07 18:33:31,731 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b.c [2025-02-07 18:33:31,741 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:33:31,744 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0250b.c that has 1 procedures, 145 locations, 1 initial locations, 18 loop locations, and 8 error locations. [2025-02-07 18:33:31,792 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:33:31,802 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@433465f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:33:31,803 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-07 18:33:31,806 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 135 states have (on average 1.674074074074074) internal successors, (226), 143 states have internal predecessors, (226), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:33:31,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:33:31,810 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:33:31,810 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:33:31,810 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-02-07 18:33:31,814 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:33:31,815 INFO L85 PathProgramCache]: Analyzing trace with hash 9079262, now seen corresponding path program 1 times [2025-02-07 18:33:31,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:33:31,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699067550] [2025-02-07 18:33:31,821 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:33:31,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:33:31,867 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:33:31,876 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:33:31,877 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:33:31,877 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:33:31,878 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:33:31,882 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:33:31,886 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:33:31,888 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:33:31,888 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:33:31,903 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:33:31,904 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:33:31,905 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-02-07 18:33:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-02-07 18:33:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-02-07 18:33:31,906 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-02-07 18:33:31,907 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-02-07 18:33:31,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-02-07 18:33:31,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-02-07 18:33:31,908 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-02-07 18:33:31,908 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:33:31,911 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:33:31,923 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:33:31,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:33:31 BoogieIcfgContainer [2025-02-07 18:33:31,926 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:33:31,927 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:33:31,927 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:33:31,927 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:33:31,928 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:31" (3/4) ... [2025-02-07 18:33:31,929 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:33:31,930 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:33:31,930 INFO L158 Benchmark]: Toolchain (without parser) took 1177.46ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 45.6MB in the end (delta: 76.6MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-07 18:33:31,930 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 201.3MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:31,931 INFO L158 Benchmark]: CACSL2BoogieTranslator took 270.82ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 107.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:33:31,932 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.04ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 103.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:31,932 INFO L158 Benchmark]: Boogie Preprocessor took 63.04ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 100.0MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:33:31,932 INFO L158 Benchmark]: IcfgBuilder took 590.78ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 61.0MB in the end (delta: 39.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:33:31,933 INFO L158 Benchmark]: TraceAbstraction took 201.72ms. Allocated memory is still 167.8MB. Free memory was 60.1MB in the beginning and 46.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:33:31,934 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 167.8MB. Free memory was 46.0MB in the beginning and 45.6MB in the end (delta: 455.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:31,935 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 201.3MB. Free memory is still 119.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 270.82ms. Allocated memory is still 167.8MB. Free memory was 122.2MB in the beginning and 107.0MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.04ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 103.8MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 63.04ms. Allocated memory is still 167.8MB. Free memory was 103.8MB in the beginning and 100.0MB in the end (delta: 3.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 590.78ms. Allocated memory is still 167.8MB. Free memory was 100.0MB in the beginning and 61.0MB in the end (delta: 39.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 201.72ms. Allocated memory is still 167.8MB. Free memory was 60.1MB in the beginning and 46.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 167.8MB. Free memory was 46.0MB in the beginning and 45.6MB in the end (delta: 455.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 168]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of someBinaryArithmeticDOUBLEoperation at line 240, overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 168, overapproximation of someUnaryDOUBLEoperation at line 154. Possible FailurePath: [L21] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L148-L162] static const double one_asin = 1.00000000000000000000e+00, huge_asin = 1.000e+300, pio2_hi_asin = 1.57079632679489655800e+00, pio2_lo_asin = 6.12323399573676603587e-17, pio4_hi_asin = 7.85398163397448278999e-01, pS0_asin = 1.66666666666666657415e-01, pS1_asin = -3.25565818622400915405e-01, pS2_asin = 2.01212532134862925881e-01, pS3_asin = -4.00555345006794114027e-02, pS4_asin = 7.91534994289814532176e-04, pS5_asin = 3.47933107596021167570e-05, qS1_asin = -2.40339491173441421878e+00, qS2_asin = 2.02094576023350569471e+00, qS3_asin = -6.88283971605453293030e-01, qS4_asin = 7.70381505559019352791e-02; [L240] double x = -1.0 / 0.0; [L241] CALL __ieee754_asin(x) [L165] double t, w, p, q, c, r, s; [L166] __int32_t hx, ix; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004] [L171] COND TRUE 0 VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L168] ieee_double_shape_type gh_u; VAL [huge_asin=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_asin=1, one_sqrt=1, pS0_asin=33333333333333331483/200000000000000000000, pS2_asin=201212532134862925881/1000000000000000000000, pS4_asin=49470937143113408261/62500000000000000000000, pS5_asin=34793310759602116757/1000000000000000000000000, pio2_hi_asin=785398163397448279/500000000000000000, pio2_lo_asin=612323399573676603587/10000000000000000000000000000000000000, pio4_hi_asin=785398163397448278999/1000000000000000000000, qS2_asin=202094576023350569471/100000000000000000000, qS4_asin=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000004] - UnprovableResult [Line: 245]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 216]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 125]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 30]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 140]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 135]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 176]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 145 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-07 18:33:31,949 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:33:33,669 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:33:33,743 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:33:33,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:33:33,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:33:33,766 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:33:33,767 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:33:33,767 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:33:33,767 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:33:33,767 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:33:33,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:33:33,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:33:33,767 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:33:33,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:33:33,768 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:33:33,768 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:33:33,768 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:33:33,768 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:33:33,768 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:33:33,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:33:33,769 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:33:33,770 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:33,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:33:33,770 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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-jdk21/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ca3adcf38c8df0d32f55f5a4e40065c13b8c76dd47d7e99832a0410c2aac65d5 [2025-02-07 18:33:34,005 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:33:34,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:33:34,013 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:33:34,014 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:33:34,014 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:33:34,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2025-02-07 18:33:35,119 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab3de70aa/af053eb08ff24ea1839c57d48e7f9680/FLAG60805d867 [2025-02-07 18:33:35,280 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:33:35,281 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c [2025-02-07 18:33:35,289 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab3de70aa/af053eb08ff24ea1839c57d48e7f9680/FLAG60805d867 [2025-02-07 18:33:35,679 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/ab3de70aa/af053eb08ff24ea1839c57d48e7f9680 [2025-02-07 18:33:35,680 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:33:35,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:33:35,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:35,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:33:35,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:33:35,685 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,686 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a3aded0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35, skipping insertion in model container [2025-02-07 18:33:35,686 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,702 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:33:35,840 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2025-02-07 18:33:35,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:35,856 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:33:35,886 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250b.c[5947,5960] [2025-02-07 18:33:35,886 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:35,904 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:33:35,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35 WrapperNode [2025-02-07 18:33:35,906 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:35,907 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:35,907 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:33:35,907 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:33:35,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,953 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 279 [2025-02-07 18:33:35,954 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:35,955 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:33:35,955 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:33:35,955 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:33:35,960 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,970 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,987 INFO L175 MemorySlicer]: Split 20 memory accesses to 8 slices as follows [2, 3, 3, 3, 2, 2, 2, 3]. 15 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 10 writes are split as follows [0, 1, 2, 2, 1, 1, 1, 2]. [2025-02-07 18:33:35,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:35,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:36,005 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:36,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:36,013 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:36,014 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:36,021 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:33:36,021 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:33:36,021 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:33:36,022 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:33:36,022 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (1/1) ... [2025-02-07 18:33:36,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:36,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:33:36,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-07 18:33:36,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-07 18:33:36,073 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:33:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:33:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:33:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:33:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:33:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-07 18:33:36,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-02-07 18:33:36,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:33:36,076 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:33:36,077 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:33:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:33:36,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:33:36,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:33:36,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:33:36,184 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:33:36,185 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:34:08,329 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:34:08,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: havoc __ieee754_asin_~lx~0#1; [2025-02-07 18:34:08,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume 0bv32 == main_#t~ret16#1;havoc main_#t~ret16#1; [2025-02-07 18:34:08,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume !(0bv32 == main_#t~ret16#1);havoc main_#t~ret16#1;main_#res#1 := 0bv32;#t~ret17#1 := main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:34:08,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume false;main_#res#1 := 1bv32; [2025-02-07 18:34:08,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume !false; [2025-02-07 18:34:08,330 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: main_#t~ret15#1 := __ieee754_asin_#res#1;havoc __ieee754_asin_#t~mem10#1, __ieee754_asin_~#gh_u~1#1.base, __ieee754_asin_~#gh_u~1#1.offset, __ieee754_asin_#t~mem11#1, __ieee754_asin_~#gl_u~0#1.base, __ieee754_asin_~#gl_u~0#1.offset, __ieee754_asin_~lx~0#1, __ieee754_asin_#t~ret12#1, __ieee754_asin_#t~ret13#1, __ieee754_asin_#t~mem14#1, __ieee754_asin_~#sl_u~0#1.base, __ieee754_asin_~#sl_u~0#1.offset, __ieee754_asin_~x#1, __ieee754_asin_~t~1#1, __ieee754_asin_~w~0#1, __ieee754_asin_~p~0#1, __ieee754_asin_~q~1#1, __ieee754_asin_~c~0#1, __ieee754_asin_~r~1#1, __ieee754_asin_~s~0#1, __ieee754_asin_~hx~0#1, __ieee754_asin_~ix~0#1;havoc __ieee754_asin_#in~x#1;assume { :end_inline___ieee754_asin } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if !~fp.eq~64(isnan_double_~x#1, isnan_double_~x#1) then 1bv32 else 0bv32);main_#t~ret16#1 := isnan_double_#res#1;havoc isnan_double_~x#1;havoc isnan_double_#in~x#1;assume { :end_inline_isnan_double } true; [2025-02-07 18:34:08,340 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-02-07 18:34:08,341 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:34:08,347 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:34:08,347 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:34:08,347 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:34:08 BoogieIcfgContainer [2025-02-07 18:34:08,347 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:34:08,351 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:34:08,351 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:34:08,354 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:34:08,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:33:35" (1/3) ... [2025-02-07 18:34:08,355 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61413fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:34:08, skipping insertion in model container [2025-02-07 18:34:08,355 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:35" (2/3) ... [2025-02-07 18:34:08,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61413fb9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:34:08, skipping insertion in model container [2025-02-07 18:34:08,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:34:08" (3/3) ... [2025-02-07 18:34:08,358 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250b.c [2025-02-07 18:34:08,367 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:34:08,369 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0250b.c that has 1 procedures, 60 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-02-07 18:34:08,401 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:34:08,409 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3a18c0cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:34:08,409 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:34:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 57 states have (on average 1.719298245614035) internal successors, (98), 58 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:34:08,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:34:08,429 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:34:08,432 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:34:08,434 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 59 states, 57 states have (on average 1.719298245614035) internal successors, (98), 58 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:34:08,451 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:34:08,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:34:08 BoogieIcfgContainer [2025-02-07 18:34:08,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:34:08,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:34:08,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:34:08,458 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:34:08,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:34:08" (3/4) ... [2025-02-07 18:34:08,460 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:34:08,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-02-07 18:34:08,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-07 18:34:08,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:34:08,469 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:34:08,529 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:34:08,529 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:34:08,529 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:34:08,530 INFO L158 Benchmark]: Toolchain (without parser) took 32848.59ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.1MB in the end (delta: 12.5MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-02-07 18:34:08,530 INFO L158 Benchmark]: CDTParser took 1.92ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:34:08,531 INFO L158 Benchmark]: CACSL2BoogieTranslator took 224.01ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:34:08,531 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.69ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:34:08,531 INFO L158 Benchmark]: Boogie Preprocessor took 66.28ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:34:08,532 INFO L158 Benchmark]: IcfgBuilder took 32326.16ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 43.6MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:34:08,533 INFO L158 Benchmark]: TraceAbstraction took 106.42ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 87.3MB in the end (delta: -44.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-02-07 18:34:08,533 INFO L158 Benchmark]: Witness Printer took 71.49ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 80.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:34:08,535 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.92ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.1MB in the end (delta: 33.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 224.01ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 76.8MB in the end (delta: 15.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.69ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.5MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 66.28ms. Allocated memory is still 117.4MB. Free memory was 74.5MB in the beginning and 70.6MB in the end (delta: 3.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 32326.16ms. Allocated memory is still 117.4MB. Free memory was 70.6MB in the beginning and 43.6MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 106.42ms. Allocated memory is still 117.4MB. Free memory was 42.9MB in the beginning and 87.3MB in the end (delta: -44.4MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * Witness Printer took 71.49ms. Allocated memory is still 117.4MB. Free memory was 87.3MB in the beginning and 80.1MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 245]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-07 18:34:08,740 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-02-07 18:34:08,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE