./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0620a.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_0620a.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 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:35:24,224 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:35:24,267 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:35:24,271 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:35:24,271 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:35:24,285 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:35:24,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:35:24,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:35:24,289 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:35:24,289 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:35:24,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:35:24,290 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:35:24,290 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:35:24,290 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:35:24,290 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:35:24,290 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:35:24,290 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:35:24,291 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:35:24,291 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:35:24,291 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:35:24,291 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:35:24,291 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:35:24,292 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:35:24,292 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:35:24,293 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:35:24,293 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:35:24,294 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:35:24,294 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 -> 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 [2025-02-07 18:35:24,498 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:35:24,503 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:35:24,508 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:35:24,509 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:35:24,509 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:35:24,511 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2025-02-07 18:35:25,684 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/405cd8212/87763d483fba4230ba134d0a6a125c0f/FLAG39778c7dc [2025-02-07 18:35:25,940 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:35:25,942 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2025-02-07 18:35:25,951 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/405cd8212/87763d483fba4230ba134d0a6a125c0f/FLAG39778c7dc [2025-02-07 18:35:26,239 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/405cd8212/87763d483fba4230ba134d0a6a125c0f [2025-02-07 18:35:26,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:35:26,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:35:26,243 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:35:26,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:35:26,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:35:26,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26068a36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26, skipping insertion in model container [2025-02-07 18:35:26,249 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,260 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:35:26,408 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_0620a.c[3930,3943] [2025-02-07 18:35:26,411 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:35:26,426 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:35:26,474 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_0620a.c[3930,3943] [2025-02-07 18:35:26,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:35:26,499 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:35:26,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26 WrapperNode [2025-02-07 18:35:26,500 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:35:26,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:35:26,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:35:26,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:35:26,509 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,524 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,556 INFO L138 Inliner]: procedures = 20, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 217 [2025-02-07 18:35:26,557 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:35:26,557 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:35:26,557 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:35:26,557 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:35:26,568 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,568 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,573 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,581 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-07 18:35:26,581 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,582 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:35:26,601 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:35:26,601 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:35:26,601 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:35:26,601 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (1/1) ... [2025-02-07 18:35:26,608 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:35:26,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:35:26,633 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 18:35:26,635 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 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-07 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-07 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-07 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-07 18:35:26,650 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-07 18:35:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:35:26,651 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:35:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-07 18:35:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-02-07 18:35:26,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:35:26,723 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:35:26,725 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: atan_double_#t~ret12#1 := fabs_double_#res#1;havoc fabs_double_#t~mem4#1, fabs_double_~#gh_u~0#1.base, fabs_double_~#gh_u~0#1.offset, fabs_double_#t~mem5#1, fabs_double_~#sh_u~0#1.base, fabs_double_~#sh_u~0#1.offset, fabs_double_~x#1, fabs_double_~high~0#1;havoc fabs_double_#in~x#1;assume { :end_inline_fabs_double } true;atan_double_~x#1 := atan_double_#t~ret12#1;havoc atan_double_#t~ret12#1; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume true; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume !true; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139-1: assume false; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139-1: assume !false; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: assume atan_double_~ix~0#1 < 1072889856; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: assume !(atan_double_~ix~0#1 < 1072889856); [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume !main_#t~short29#1;havoc main_#t~ret28#1;havoc main_#t~short29#1; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume !!main_#t~short29#1;havoc main_#t~ret28#1;havoc main_#t~short29#1;main_#res#1 := 0;#t~ret30#1 := main_#res#1;havoc main_#t~ret27#1, main_#t~ret28#1, main_#t~short29#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160-1: main_#t~ret28#1 := __signbit_double_#res#1;havoc __signbit_double_#t~mem26#1, __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;havoc __signbit_double_#in~x#1;assume { :end_inline___signbit_double } true;assume -2147483648 <= main_#t~ret28#1 && main_#t~ret28#1 <= 2147483647;main_#t~short29#1 := 1 == main_#t~ret28#1; [2025-02-07 18:35:26,895 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160-2: assume main_#t~short29#1;assume { :begin_inline___signbit_double } true;__signbit_double_#in~x#1 := main_~res~0#1;havoc __signbit_double_#res#1;havoc __signbit_double_#t~mem26#1, __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;__signbit_double_~x#1 := __signbit_double_#in~x#1;havoc __signbit_double_~msw~0#1; [2025-02-07 18:35:26,896 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160-2: assume !main_#t~short29#1; [2025-02-07 18:35:26,896 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:35:26,896 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: assume true; [2025-02-07 18:35:26,896 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: assume !true;call __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset := #Ultimate.allocOnStack(8);call write~real(__signbit_double_~x#1, __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset, 8);call __signbit_double_#t~mem26#1 := read~int(__signbit_double_~#gh_u~2#1.base, 4 + __signbit_double_~#gh_u~2#1.offset, 4);__signbit_double_~msw~0#1 := __signbit_double_#t~mem26#1;call ULTIMATE.dealloc(__signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset);havoc __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset;havoc __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset;havoc __signbit_double_#t~mem26#1; [2025-02-07 18:35:26,896 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-1: assume false; [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140-1: assume !false; [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: assume atan_double_~ix~0#1 < 1073971200;atan_double_~id~0#1 := 2;atan_double_~x#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(atan_double_~x#1, 1.5), ~someBinaryArithmeticDOUBLEoperation(~one_atan~0, ~someBinaryArithmeticDOUBLEoperation(1.5, atan_double_~x#1))); [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: assume !(atan_double_~ix~0#1 < 1073971200);atan_double_~id~0#1 := 3;atan_double_~x#1 := ~someBinaryArithmeticDOUBLEoperation(~someUnaryDOUBLEoperation(1.0), atan_double_~x#1); [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L99: assume atan_double_~ix~0#1 < 1072037888;atan_double_~id~0#1 := 0;atan_double_~x#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(2.0, atan_double_~x#1), ~one_atan~0), ~someBinaryArithmeticDOUBLEoperation(2.0, atan_double_~x#1)); [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L99: assume !(atan_double_~ix~0#1 < 1072037888);atan_double_~id~0#1 := 1;atan_double_~x#1 := ~someBinaryArithmeticDOUBLEoperation(~someBinaryArithmeticDOUBLEoperation(atan_double_~x#1, ~one_atan~0), ~someBinaryArithmeticDOUBLEoperation(atan_double_~x#1, ~one_atan~0)); [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume false;main_#res#1 := 1; [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume !false; [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: main_#t~ret27#1 := atan_double_#res#1;havoc atan_double_#t~mem6#1, atan_double_~#gh_u~1#1.base, atan_double_~#gh_u~1#1.offset, atan_double_#t~mem7#1, atan_double_~#gl_u~0#1.base, atan_double_~#gl_u~0#1.offset, atan_double_#t~mem8#1, atan_double_#t~mem9#1, atan_double_#t~mem10#1, atan_double_#t~mem11#1, atan_double_~low~0#1, atan_double_#t~ret12#1, atan_double_#t~mem18#1, atan_double_#t~mem17#1, atan_double_#t~mem16#1, atan_double_#t~mem15#1, atan_double_#t~mem14#1, atan_double_#t~mem13#1, atan_double_#t~mem23#1, atan_double_#t~mem22#1, atan_double_#t~mem21#1, atan_double_#t~mem20#1, atan_double_#t~mem19#1, atan_double_#t~mem25#1, atan_double_#t~mem24#1, atan_double_~x#1, atan_double_~w~0#1, atan_double_~s1~0#1, atan_double_~s2~0#1, atan_double_~z~0#1, atan_double_~ix~0#1, atan_double_~hx~0#1, atan_double_~id~0#1;havoc atan_double_#in~x#1;assume { :end_inline_atan_double } true;main_~res~0#1 := main_#t~ret27#1;havoc main_#t~ret27#1;main_#t~short29#1 := ~someBinaryDOUBLEComparisonOperation(main_~res~0#1, ~someUnaryDOUBLEoperation(0.0)); [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L145-1: __signbit_double_#res#1 := (if 0 != (__signbit_double_~msw~0#1 - __signbit_double_~msw~0#1 % 2147483648) % 4294967296 then 1 else 0); [2025-02-07 18:35:26,897 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L76: havoc atan_double_~low~0#1; [2025-02-07 18:35:26,905 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-07 18:35:26,905 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:35:26,912 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:35:26,912 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:35:26,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:35:26 BoogieIcfgContainer [2025-02-07 18:35:26,912 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:35:26,914 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:35:26,914 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:35:26,918 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:35:26,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:35:26" (1/3) ... [2025-02-07 18:35:26,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c401fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:35:26, skipping insertion in model container [2025-02-07 18:35:26,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:26" (2/3) ... [2025-02-07 18:35:26,920 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c401fec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:35:26, skipping insertion in model container [2025-02-07 18:35:26,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:35:26" (3/3) ... [2025-02-07 18:35:26,921 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2025-02-07 18:35:26,932 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:35:26,933 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0620a.c that has 1 procedures, 35 locations, 1 initial locations, 10 loop locations, and 6 error locations. [2025-02-07 18:35:26,965 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:35:26,972 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;@36c73096, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:35:26,972 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-02-07 18:35:26,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 34 states, 28 states have (on average 1.8214285714285714) internal successors, (51), 33 states have internal predecessors, (51), 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 18:35:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:35:26,978 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:35:26,978 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:35:26,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 3 more)] === [2025-02-07 18:35:26,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:35:26,981 INFO L85 PathProgramCache]: Analyzing trace with hash 3568926, now seen corresponding path program 1 times [2025-02-07 18:35:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:35:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530822759] [2025-02-07 18:35:26,987 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:35:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:35:27,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:35:27,087 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:35:27,087 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:35:27,087 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:35:27,087 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:35:27,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:35:27,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:35:27,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:35:27,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:35:27,137 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:35:27,139 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:35:27,139 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 6 remaining) [2025-02-07 18:35:27,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2025-02-07 18:35:27,141 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 6 remaining) [2025-02-07 18:35:27,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 6 remaining) [2025-02-07 18:35:27,142 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 6 remaining) [2025-02-07 18:35:27,143 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 6 remaining) [2025-02-07 18:35:27,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:35:27,146 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:35:27,162 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:35:27,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:35:27 BoogieIcfgContainer [2025-02-07 18:35:27,166 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:35:27,167 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:35:27,167 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:35:27,167 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:35:27,168 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:35:26" (3/4) ... [2025-02-07 18:35:27,169 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:35:27,170 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:35:27,171 INFO L158 Benchmark]: Toolchain (without parser) took 928.49ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 47.8MB in the end (delta: 57.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:35:27,171 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:27,171 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.55ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:35:27,171 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.25ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:27,171 INFO L158 Benchmark]: Boogie Preprocessor took 43.04ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 87.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:27,172 INFO L158 Benchmark]: IcfgBuilder took 311.72ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 69.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:35:27,172 INFO L158 Benchmark]: TraceAbstraction took 252.03ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 47.8MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:35:27,172 INFO L158 Benchmark]: Witness Printer took 3.36ms. Allocated memory is still 142.6MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:27,174 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 201.3MB. Free memory is still 124.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.55ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 91.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.25ms. Allocated memory is still 142.6MB. Free memory was 91.7MB in the beginning and 89.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 43.04ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 87.7MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 311.72ms. Allocated memory is still 142.6MB. Free memory was 87.7MB in the beginning and 69.9MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 252.03ms. Allocated memory is still 142.6MB. Free memory was 68.9MB in the beginning and 47.8MB in the end (delta: 21.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 3.36ms. Allocated memory is still 142.6MB. Free memory is still 47.8MB. 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: 71]: 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 union with floats in the HoenickeLindenmann_Original memory model at line 71, overapproximation of someUnaryDOUBLEoperation at line 54. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L156] double x = -0.0; [L157] CALL atan_double(x) [L67] double w, s1, s2, z; [L68] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000032] [L74] COND TRUE 0 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000032] [L71] ieee_double_shape_type gh_u; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, x=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000032] - UnprovableResult [Line: 161]: 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: 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: 27]: 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: 22]: 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: 79]: 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, 35 locations, 6 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=34occurred 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 18:35:27,190 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 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_0620a.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 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:35:28,946 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:35:29,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:35:29,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:35:29,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:35:29,054 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:35:29,055 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:35:29,055 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:35:29,056 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:35:29,056 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:35:29,057 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:35:29,057 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:35:29,057 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:35:29,057 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:35:29,058 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:35:29,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:35:29,059 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:35:29,060 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:35:29,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:35:29,060 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:35:29,060 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:35:29,060 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:35:29,060 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:35:29,060 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:35:29,060 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:35:29,061 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:35:29,061 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 -> 86f4c48bd26ce0df301001b762b320097809bf71324092596b2b5e53d7dc1a20 [2025-02-07 18:35:29,313 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:35:29,321 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:35:29,323 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:35:29,324 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:35:29,325 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:35:29,326 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2025-02-07 18:35:30,521 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86145f111/80095c7e2b88403aafe7b73e7873137f/FLAG631123d13 [2025-02-07 18:35:30,682 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:35:30,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0620a.c [2025-02-07 18:35:30,691 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86145f111/80095c7e2b88403aafe7b73e7873137f/FLAG631123d13 [2025-02-07 18:35:30,709 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/86145f111/80095c7e2b88403aafe7b73e7873137f [2025-02-07 18:35:30,711 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:35:30,712 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:35:30,713 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:35:30,713 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:35:30,717 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:35:30,718 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:30,720 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44f1aceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30, skipping insertion in model container [2025-02-07 18:35:30,720 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:30,736 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:35:30,892 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_0620a.c[3930,3943] [2025-02-07 18:35:30,895 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:35:30,915 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:35:30,960 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_0620a.c[3930,3943] [2025-02-07 18:35:30,960 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:35:30,979 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:35:30,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30 WrapperNode [2025-02-07 18:35:30,980 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:35:30,981 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:35:30,981 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:35:30,981 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:35:30,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:30,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,015 INFO L138 Inliner]: procedures = 23, calls = 70, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 207 [2025-02-07 18:35:31,016 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:35:31,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:35:31,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:35:31,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:35:31,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,026 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,039 INFO L175 MemorySlicer]: Split 50 memory accesses to 9 slices as follows [2, 7, 7, 2, 2, 23, 2, 2, 3]. 46 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 4, 4, 0, 0, 0, 0, 0, 0]. The 18 writes are split as follows [0, 0, 0, 1, 1, 12, 1, 1, 2]. [2025-02-07 18:35:31,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,066 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,067 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,072 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,074 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:35:31,081 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:35:31,081 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:35:31,081 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:35:31,084 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (1/1) ... [2025-02-07 18:35:31,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:35:31,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:35:31,112 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 18:35:31,115 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 18:35:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:35:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:35:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:35:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:35:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:35:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#7 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#8 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#0 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#1 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#2 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#3 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#4 [2025-02-07 18:35:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#5 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#6 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#7 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8#8 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:35:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#7 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#8 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#5 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#6 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#7 [2025-02-07 18:35:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#8 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:35:31,139 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:35:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:35:31,282 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:35:31,284 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: atan_double_#t~ret12#1 := fabs_double_#res#1;havoc fabs_double_#t~mem4#1, fabs_double_~#gh_u~0#1.base, fabs_double_~#gh_u~0#1.offset, fabs_double_#t~mem5#1, fabs_double_~#sh_u~0#1.base, fabs_double_~#sh_u~0#1.offset, fabs_double_~x#1, fabs_double_~high~0#1;havoc fabs_double_#in~x#1;assume { :end_inline_fabs_double } true;atan_double_~x#1 := atan_double_#t~ret12#1;havoc atan_double_#t~ret12#1; [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume true;call __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset := #Ultimate.allocOnStack(8bv32);call write~intFLOATTYPE8#6(__signbit_double_~x#1, __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset, 8bv32);call __signbit_double_#t~mem26#1 := read~intINTTYPE4#6(__signbit_double_~#gh_u~2#1.base, ~bvadd~32(4bv32, __signbit_double_~#gh_u~2#1.offset), 4bv32);__signbit_double_~msw~0#1 := __signbit_double_#t~mem26#1;call ULTIMATE.dealloc(__signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset);havoc __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset;havoc __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset;havoc __signbit_double_#t~mem26#1; [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139: assume !true; [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139-1: assume false; [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L139-1: assume !false; [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: assume ~bvslt~32(atan_double_~ix~0#1, 1072889856bv32); [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L98: assume !~bvslt~32(atan_double_~ix~0#1, 1072889856bv32); [2025-02-07 18:36:03,926 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume !main_#t~short29#1;havoc main_#t~ret28#1;havoc main_#t~short29#1; [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160: assume !!main_#t~short29#1;havoc main_#t~ret28#1;havoc main_#t~short29#1;main_#res#1 := 0bv32;#t~ret30#1 := main_#res#1;havoc main_#t~ret27#1, main_#t~ret28#1, main_#t~short29#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160-1: main_#t~ret28#1 := __signbit_double_#res#1;havoc __signbit_double_#t~mem26#1, __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;havoc __signbit_double_#in~x#1;assume { :end_inline___signbit_double } true;main_#t~short29#1 := 1bv32 == main_#t~ret28#1; [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160-2: assume main_#t~short29#1;assume { :begin_inline___signbit_double } true;__signbit_double_#in~x#1 := main_~res~0#1;havoc __signbit_double_#res#1;havoc __signbit_double_#t~mem26#1, __signbit_double_~#gh_u~2#1.base, __signbit_double_~#gh_u~2#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;__signbit_double_~x#1 := __signbit_double_#in~x#1;havoc __signbit_double_~msw~0#1; [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L160-2: assume !main_#t~short29#1; [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: assume ~bvslt~32(atan_double_~ix~0#1, 1073971200bv32);atan_double_~id~0#1 := 2bv32;atan_double_~x#1 := ~fp.div~64(currentRoundingMode, ~fp.sub~64(currentRoundingMode, atan_double_~x#1, ~to_fp~64(currentRoundingMode, 1.5)), ~fp.add~64(currentRoundingMode, ~one_atan~0, ~fp.mul~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.5), atan_double_~x#1))); [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L107: assume !~bvslt~32(atan_double_~ix~0#1, 1073971200bv32);atan_double_~id~0#1 := 3bv32;atan_double_~x#1 := ~fp.div~64(currentRoundingMode, ~fp.neg~64(~to_fp~64(currentRoundingMode, 1.0)), atan_double_~x#1); [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L99: assume ~bvslt~32(atan_double_~ix~0#1, 1072037888bv32);atan_double_~id~0#1 := 0bv32;atan_double_~x#1 := ~fp.div~64(currentRoundingMode, ~fp.sub~64(currentRoundingMode, ~fp.mul~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2.0), atan_double_~x#1), ~one_atan~0), ~fp.add~64(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2.0), atan_double_~x#1)); [2025-02-07 18:36:03,927 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L99: assume !~bvslt~32(atan_double_~ix~0#1, 1072037888bv32);atan_double_~id~0#1 := 1bv32;atan_double_~x#1 := ~fp.div~64(currentRoundingMode, ~fp.sub~64(currentRoundingMode, atan_double_~x#1, ~one_atan~0), ~fp.add~64(currentRoundingMode, atan_double_~x#1, ~one_atan~0)); [2025-02-07 18:36:03,928 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume false;main_#res#1 := 1bv32; [2025-02-07 18:36:03,928 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L161: assume !false; [2025-02-07 18:36:03,928 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L157: main_#t~ret27#1 := atan_double_#res#1;havoc atan_double_#t~mem6#1, atan_double_~#gh_u~1#1.base, atan_double_~#gh_u~1#1.offset, atan_double_#t~mem7#1, atan_double_~#gl_u~0#1.base, atan_double_~#gl_u~0#1.offset, atan_double_#t~mem8#1, atan_double_#t~mem9#1, atan_double_#t~mem10#1, atan_double_#t~mem11#1, atan_double_~low~0#1, atan_double_#t~ret12#1, atan_double_#t~mem18#1, atan_double_#t~mem17#1, atan_double_#t~mem16#1, atan_double_#t~mem15#1, atan_double_#t~mem14#1, atan_double_#t~mem13#1, atan_double_#t~mem23#1, atan_double_#t~mem22#1, atan_double_#t~mem21#1, atan_double_#t~mem20#1, atan_double_#t~mem19#1, atan_double_#t~mem25#1, atan_double_#t~mem24#1, atan_double_~x#1, atan_double_~w~0#1, atan_double_~s1~0#1, atan_double_~s2~0#1, atan_double_~z~0#1, atan_double_~ix~0#1, atan_double_~hx~0#1, atan_double_~id~0#1;havoc atan_double_#in~x#1;assume { :end_inline_atan_double } true;main_~res~0#1 := main_#t~ret27#1;havoc main_#t~ret27#1;main_#t~short29#1 := ~fp.eq~64(main_~res~0#1, ~fp.neg~64(~Pluszero~64())); [2025-02-07 18:36:03,929 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L145-1: __signbit_double_#res#1 := (if 0bv32 != ~bvand~32(2147483648bv32, __signbit_double_~msw~0#1) then 1bv32 else 0bv32); [2025-02-07 18:36:03,929 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L76: havoc atan_double_~low~0#1; [2025-02-07 18:36:03,951 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2025-02-07 18:36:03,951 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:36:03,957 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:36:03,957 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:36:03,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:36:03 BoogieIcfgContainer [2025-02-07 18:36:03,958 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:36:03,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:36:03,960 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:36:03,963 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:36:03,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:35:30" (1/3) ... [2025-02-07 18:36:03,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a957869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:36:03, skipping insertion in model container [2025-02-07 18:36:03,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:35:30" (2/3) ... [2025-02-07 18:36:03,964 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a957869 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:36:03, skipping insertion in model container [2025-02-07 18:36:03,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:36:03" (3/3) ... [2025-02-07 18:36:03,965 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0620a.c [2025-02-07 18:36:03,976 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:36:03,977 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0620a.c that has 1 procedures, 23 locations, 1 initial locations, 5 loop locations, and 1 error locations. [2025-02-07 18:36:04,014 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:36:04,022 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;@1a8ddf5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:36:04,022 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:36:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand has 22 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 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 18:36:04,028 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:36:04,031 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:36:04,034 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:36:04,037 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 22 states, 20 states have (on average 1.75) internal successors, (35), 21 states have internal predecessors, (35), 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 18:36:04,067 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:36:04,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:36:04 BoogieIcfgContainer [2025-02-07 18:36:04,076 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:36:04,076 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:36:04,076 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:36:04,076 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:36:04,077 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:36:03" (3/4) ... [2025-02-07 18:36:04,079 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:36:04,085 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2025-02-07 18:36:04,087 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2025-02-07 18:36:04,087 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:36:04,087 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:36:04,156 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:36:04,156 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:36:04,156 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:36:04,157 INFO L158 Benchmark]: Toolchain (without parser) took 33444.86ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 82.5MB in the end (delta: 10.2MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2025-02-07 18:36:04,158 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:36:04,158 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.77ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:36:04,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.92ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:36:04,159 INFO L158 Benchmark]: Boogie Preprocessor took 64.29ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 72.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:36:04,161 INFO L158 Benchmark]: IcfgBuilder took 32876.88ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 43.9MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:36:04,161 INFO L158 Benchmark]: TraceAbstraction took 116.15ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 89.3MB in the end (delta: -46.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-02-07 18:36:04,162 INFO L158 Benchmark]: Witness Printer took 80.19ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 82.5MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:36:04,163 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 37.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.77ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 78.3MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.92ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 76.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 64.29ms. Allocated memory is still 117.4MB. Free memory was 76.3MB in the beginning and 72.4MB in the end (delta: 3.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 32876.88ms. Allocated memory is still 117.4MB. Free memory was 72.4MB in the beginning and 43.9MB in the end (delta: 28.5MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 116.15ms. Allocated memory is still 117.4MB. Free memory was 43.2MB in the beginning and 89.3MB in the end (delta: -46.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. * Witness Printer took 80.19ms. Allocated memory is still 117.4MB. Free memory was 88.5MB in the beginning and 82.5MB in the end (delta: 6.1MB). 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 - PositiveResult [Line: 161]: 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, 23 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=22occurred 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 18:36:04,375 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 18:36:04,461 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