./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0250a.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_0250a.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 b2809eb2309f6fe734e353208c2cdd3b2ac5bedc17488f10547b1d0f4458c512 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:33:09,416 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:33:09,463 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:33:09,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:33:09,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:33:09,486 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:33:09,487 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:33:09,487 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:33:09,488 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:33:09,488 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:33:09,488 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:33:09,488 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:33:09,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:33:09,489 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:33:09,489 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:33:09,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:33:09,489 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:33:09,489 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:33:09,489 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:33:09,489 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:33:09,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:33:09,490 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:09,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:33:09,491 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:33:09,491 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 -> b2809eb2309f6fe734e353208c2cdd3b2ac5bedc17488f10547b1d0f4458c512 [2025-02-07 18:33:09,720 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:33:09,727 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:33:09,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:33:09,731 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:33:09,731 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:33:09,733 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0250a.c [2025-02-07 18:33:10,966 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/18087d208/702756aec8694c5db3ae2ec5a5dec618/FLAG16cf5db94 [2025-02-07 18:33:11,324 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:33:11,327 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250a.c [2025-02-07 18:33:11,347 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/18087d208/702756aec8694c5db3ae2ec5a5dec618/FLAG16cf5db94 [2025-02-07 18:33:11,603 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/18087d208/702756aec8694c5db3ae2ec5a5dec618 [2025-02-07 18:33:11,604 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:33:11,606 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:33:11,608 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:11,608 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:33:11,611 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:33:11,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a292954 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11, skipping insertion in model container [2025-02-07 18:33:11,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,632 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:33:11,782 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_0250a.c[5945,5958] [2025-02-07 18:33:11,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:11,793 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:33:11,836 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_0250a.c[5945,5958] [2025-02-07 18:33:11,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:11,848 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:33:11,848 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11 WrapperNode [2025-02-07 18:33:11,849 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:11,850 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:11,850 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:33:11,850 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:33:11,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,896 INFO L138 Inliner]: procedures = 18, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 447 [2025-02-07 18:33:11,896 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:11,899 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:33:11,899 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:33:11,899 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:33:11,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,908 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,923 INFO L175 MemorySlicer]: Split 20 memory accesses to 8 slices as follows [2, 3, 2, 2, 3, 3, 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, 2, 1, 1, 2, 1, 1, 2]. [2025-02-07 18:33:11,923 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,933 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,935 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,936 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:33:11,939 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:33:11,940 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:33:11,940 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:33:11,940 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (1/1) ... [2025-02-07 18:33:11,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:11,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:33:11,968 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 18:33:11,971 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 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:33:11,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:33:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:33:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:33:11,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:33:11,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:33:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:33:11,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:33:12,117 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:33:12,119 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:33:12,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:33:12,548 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume 0 == main_#t~ret35#1;havoc main_#t~ret35#1; [2025-02-07 18:33:12,548 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 18:33:12,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume false;main_#res#1 := 1; [2025-02-07 18:33:12,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume !false; [2025-02-07 18:33:12,549 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: havoc __ieee754_asin_~lx~0#1; [2025-02-07 18:33:12,549 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 18:33:12,576 INFO L? ?]: Removed 75 outVars from TransFormulas that were not future-live. [2025-02-07 18:33:12,576 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:33:12,613 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:33:12,616 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-07 18:33:12,616 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:12 BoogieIcfgContainer [2025-02-07 18:33:12,616 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:33:12,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:33:12,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:33:12,622 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:33:12,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:33:11" (1/3) ... [2025-02-07 18:33:12,623 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a86b56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:33:12, skipping insertion in model container [2025-02-07 18:33:12,624 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:11" (2/3) ... [2025-02-07 18:33:12,624 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a86b56c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:33:12, skipping insertion in model container [2025-02-07 18:33:12,625 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:12" (3/3) ... [2025-02-07 18:33:12,626 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250a.c [2025-02-07 18:33:12,636 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:33:12,637 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0250a.c that has 1 procedures, 145 locations, 1 initial locations, 18 loop locations, and 8 error locations. [2025-02-07 18:33:12,686 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:33:12,701 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;@3c325cef, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:33:12,701 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-07 18:33:12,705 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 18:33:12,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:33:12,710 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:33:12,710 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:33:12,711 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 18:33:12,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:33:12,716 INFO L85 PathProgramCache]: Analyzing trace with hash 9079262, now seen corresponding path program 1 times [2025-02-07 18:33:12,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:33:12,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122867461] [2025-02-07 18:33:12,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:33:12,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:33:12,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:33:12,826 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:33:12,826 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:33:12,826 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:33:12,827 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:33:12,830 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:33:12,835 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:33:12,836 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:33:12,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:33:12,852 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:33:12,853 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:33:12,854 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-02-07 18:33:12,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-02-07 18:33:12,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-02-07 18:33:12,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-02-07 18:33:12,856 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-02-07 18:33:12,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-02-07 18:33:12,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-02-07 18:33:12,857 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-02-07 18:33:12,857 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:33:12,861 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:33:12,874 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:33:12,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:33:12 BoogieIcfgContainer [2025-02-07 18:33:12,877 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:33:12,877 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:33:12,877 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:33:12,878 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:33:12,878 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:12" (3/4) ... [2025-02-07 18:33:12,880 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:33:12,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:33:12,882 INFO L158 Benchmark]: Toolchain (without parser) took 1275.74ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 99.9MB in the end (delta: 10.0MB). Peak memory consumption was 7.1MB. Max. memory is 16.1GB. [2025-02-07 18:33:12,883 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory was 126.1MB in the beginning and 125.7MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:12,883 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.14ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 94.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:33:12,883 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.64ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 91.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:12,883 INFO L158 Benchmark]: Boogie Preprocessor took 40.30ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:33:12,884 INFO L158 Benchmark]: IcfgBuilder took 676.80ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 47.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:33:12,884 INFO L158 Benchmark]: TraceAbstraction took 258.51ms. Allocated memory is still 142.6MB. Free memory was 46.1MB in the beginning and 100.7MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:12,884 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.9MB in the end (delta: 795.0kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:12,886 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory was 126.1MB in the beginning and 125.7MB in the end (delta: 307.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 241.14ms. Allocated memory is still 142.6MB. Free memory was 110.0MB in the beginning and 94.3MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.64ms. Allocated memory is still 142.6MB. Free memory was 94.3MB in the beginning and 91.2MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 40.30ms. Allocated memory is still 142.6MB. Free memory was 91.2MB in the beginning and 88.0MB in the end (delta: 3.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * IcfgBuilder took 676.80ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 47.1MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 258.51ms. Allocated memory is still 142.6MB. Free memory was 46.1MB in the beginning and 100.7MB in the end (delta: -54.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 99.9MB in the end (delta: 795.0kB). 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: 0.2s, 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 18:33:12,904 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_0250a.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 b2809eb2309f6fe734e353208c2cdd3b2ac5bedc17488f10547b1d0f4458c512 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:33:15,160 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:33:15,226 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:33:15,243 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:33:15,243 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:33:15,269 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:33:15,270 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:33:15,270 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:33:15,271 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:33:15,271 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:33:15,271 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:33:15,271 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:33:15,271 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:33:15,271 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:33:15,271 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:33:15,271 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:33:15,272 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:33:15,273 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:15,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:33:15,273 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:33:15,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:33:15,274 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 -> b2809eb2309f6fe734e353208c2cdd3b2ac5bedc17488f10547b1d0f4458c512 [2025-02-07 18:33:15,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:33:15,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:33:15,511 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:33:15,512 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:33:15,512 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:33:15,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0250a.c [2025-02-07 18:33:16,999 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a03482d1/6e8e5473e31940c181b572be6a813a93/FLAG2fd37362a [2025-02-07 18:33:17,250 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:33:17,251 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0250a.c [2025-02-07 18:33:17,264 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a03482d1/6e8e5473e31940c181b572be6a813a93/FLAG2fd37362a [2025-02-07 18:33:17,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7a03482d1/6e8e5473e31940c181b572be6a813a93 [2025-02-07 18:33:17,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:33:17,297 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:33:17,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:17,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:33:17,302 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:33:17,304 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d9b8e75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17, skipping insertion in model container [2025-02-07 18:33:17,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,329 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:33:17,555 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_0250a.c[5945,5958] [2025-02-07 18:33:17,559 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:17,580 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:33:17,620 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_0250a.c[5945,5958] [2025-02-07 18:33:17,620 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:33:17,639 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:33:17,641 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17 WrapperNode [2025-02-07 18:33:17,641 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:33:17,642 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:17,642 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:33:17,642 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:33:17,648 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,659 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,697 INFO L138 Inliner]: procedures = 21, calls = 43, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 279 [2025-02-07 18:33:17,699 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:33:17,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:33:17,700 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:33:17,700 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:33:17,709 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,719 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,741 INFO L175 MemorySlicer]: Split 20 memory accesses to 8 slices as follows [2, 3, 2, 2, 3, 3, 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, 2, 1, 1, 2, 1, 1, 2]. [2025-02-07 18:33:17,742 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,742 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,761 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,762 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,768 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,775 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:33:17,775 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:33:17,776 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:33:17,776 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:33:17,776 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (1/1) ... [2025-02-07 18:33:17,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:33:17,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:33:17,806 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 18:33:17,821 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 18:33:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:33:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:33:17,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:33:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:33:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:33:17,844 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:33:17,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:33:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:33:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:33:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:33:17,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:33:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:33:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:33:17,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:33:17,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:33:17,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:33:17,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:33:17,963 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:33:17,965 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:33:51,126 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:33:51,126 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L173: havoc __ieee754_asin_~lx~0#1; [2025-02-07 18:33:51,126 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L244: assume 0bv32 == main_#t~ret16#1;havoc main_#t~ret16#1; [2025-02-07 18:33:51,126 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 18:33:51,126 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume false;main_#res#1 := 1bv32; [2025-02-07 18:33:51,127 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L245: assume !false; [2025-02-07 18:33:51,127 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 18:33:51,145 INFO L? ?]: Removed 71 outVars from TransFormulas that were not future-live. [2025-02-07 18:33:51,149 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:33:51,160 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:33:51,160 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:33:51,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:51 BoogieIcfgContainer [2025-02-07 18:33:51,161 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:33:51,162 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:33:51,165 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:33:51,173 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:33:51,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:33:17" (1/3) ... [2025-02-07 18:33:51,173 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363eb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:33:51, skipping insertion in model container [2025-02-07 18:33:51,173 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:33:17" (2/3) ... [2025-02-07 18:33:51,174 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@363eb65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:33:51, skipping insertion in model container [2025-02-07 18:33:51,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:51" (3/3) ... [2025-02-07 18:33:51,174 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0250a.c [2025-02-07 18:33:51,184 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:33:51,185 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0250a.c that has 1 procedures, 60 locations, 1 initial locations, 11 loop locations, and 1 error locations. [2025-02-07 18:33:51,216 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:33:51,223 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;@51425247, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:33:51,223 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:33:51,226 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 18:33:51,230 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:33:51,231 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:33:51,234 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:33:51,237 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 18:33:51,253 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:33:51,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:33:51 BoogieIcfgContainer [2025-02-07 18:33:51,259 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:33:51,260 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:33:51,260 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:33:51,260 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:33:51,260 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:33:51" (3/4) ... [2025-02-07 18:33:51,262 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:33:51,267 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-02-07 18:33:51,268 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2025-02-07 18:33:51,268 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:33:51,268 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:33:51,340 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:33:51,341 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:33:51,341 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:33:51,342 INFO L158 Benchmark]: Toolchain (without parser) took 34045.17ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 31.7MB in the end (delta: 27.9MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2025-02-07 18:33:51,342 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:51,342 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.35ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 43.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:33:51,343 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.37ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 41.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:51,343 INFO L158 Benchmark]: Boogie Preprocessor took 75.31ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 37.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:33:51,344 INFO L158 Benchmark]: IcfgBuilder took 33385.16ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 47.4MB in the end (delta: -9.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-02-07 18:33:51,345 INFO L158 Benchmark]: TraceAbstraction took 97.13ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 39.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:33:51,345 INFO L158 Benchmark]: Witness Printer took 81.19ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 31.7MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:33:51,346 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory was 62.6MB in the beginning and 62.5MB in the end (delta: 36.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.35ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 43.8MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.37ms. Allocated memory is still 83.9MB. Free memory was 43.8MB in the beginning and 41.3MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.31ms. Allocated memory is still 83.9MB. Free memory was 41.3MB in the beginning and 37.5MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 33385.16ms. Allocated memory is still 83.9MB. Free memory was 37.5MB in the beginning and 47.4MB in the end (delta: -9.9MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 97.13ms. Allocated memory is still 83.9MB. Free memory was 46.9MB in the beginning and 39.0MB in the end (delta: 7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 81.19ms. Allocated memory is still 83.9MB. Free memory was 39.0MB in the beginning and 31.7MB 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 18:33:51,555 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 18:33:51,635 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