./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_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/float_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 0682c5b0aa15583147a7e08f281b31c84f28e6f8db41872cc8e834f12ff21a47 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:44:15,139 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:44:15,191 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:44:15,198 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:44:15,199 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:44:15,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:44:15,219 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:44:15,219 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:44:15,220 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:44:15,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:44:15,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:44:15,220 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:44:15,220 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:44:15,221 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:15,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:44:15,221 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:44:15,221 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 -> 0682c5b0aa15583147a7e08f281b31c84f28e6f8db41872cc8e834f12ff21a47 [2025-02-07 18:44:15,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:44:15,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:44:15,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:44:15,458 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:44:15,459 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:44:15,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2025-02-07 18:44:16,596 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dfd130d52/f834096812da4098aac13a582a4ee697/FLAGed4382190 [2025-02-07 18:44:16,867 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:44:16,869 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2025-02-07 18:44:16,875 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dfd130d52/f834096812da4098aac13a582a4ee697/FLAGed4382190 [2025-02-07 18:44:17,176 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/dfd130d52/f834096812da4098aac13a582a4ee697 [2025-02-07 18:44:17,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:44:17,180 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:44:17,182 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:17,182 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:44:17,186 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:44:17,187 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,188 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f92fc21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17, skipping insertion in model container [2025-02-07 18:44:17,188 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,201 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:44:17,358 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/float_req_bl_0620a.c[3328,3341] [2025-02-07 18:44:17,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:17,374 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:44:17,406 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/float_req_bl_0620a.c[3328,3341] [2025-02-07 18:44:17,408 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:17,424 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:44:17,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17 WrapperNode [2025-02-07 18:44:17,425 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:17,426 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:17,427 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:44:17,427 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:44:17,431 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,439 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,463 INFO L138 Inliner]: procedures = 20, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 202 [2025-02-07 18:44:17,463 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:17,464 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:44:17,464 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:44:17,464 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:44:17,469 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,470 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,472 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,476 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-07 18:44:17,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,484 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,486 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,488 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:44:17,489 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:44:17,489 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:44:17,489 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:44:17,489 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (1/1) ... [2025-02-07 18:44:17,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:17,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:44:17,513 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 18:44:17,515 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 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:44:17,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-07 18:44:17,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-02-07 18:44:17,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:44:17,590 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:44:17,592 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:44:17,782 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume true; [2025-02-07 18:44:17,782 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !true; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: assume false; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: assume !false; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L81: assume atan_float_~ix~1#1 < 1066926080; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L81: assume !(atan_float_~ix~1#1 < 1066926080); [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !main_#t~short28#1;havoc main_#t~ret27#1;havoc main_#t~short28#1; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !!main_#t~short28#1;havoc main_#t~ret27#1;havoc main_#t~short28#1;main_#res#1 := 0;#t~ret29#1 := main_#res#1;havoc main_#t~ret26#1, main_#t~ret27#1, main_#t~short28#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-1: main_#t~ret27#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem25#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret27#1 && main_#t~ret27#1 <= 2147483647;main_#t~short28#1 := 0 == main_#t~ret27#1; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-2: assume main_#t~short28#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem25#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~1#1; [2025-02-07 18:44:17,783 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-2: assume !main_#t~short28#1; [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume true; [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123: assume !true;call __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset := #Ultimate.allocOnStack(4);call write~real(__signbit_float_~x#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4);call __signbit_float_#t~mem25#1 := read~int(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4);__signbit_float_~w~1#1 := __signbit_float_#t~mem25#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset);havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_#t~mem25#1; [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123-1: assume false; [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L123-1: assume !false; [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume atan_float_~ix~1#1 < 1075576832;atan_float_~id~0#1 := 2;atan_float_~x#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(atan_float_~x#1, 1.5), ~someBinaryArithmeticFLOAToperation(~one_atan~0, ~someBinaryArithmeticFLOAToperation(1.5, atan_float_~x#1))); [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume !(atan_float_~ix~1#1 < 1075576832);atan_float_~id~0#1 := 3;atan_float_~x#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(1.0), atan_float_~x#1); [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L82: assume atan_float_~ix~1#1 < 1060110336;atan_float_~id~0#1 := 0;atan_float_~x#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, atan_float_~x#1), ~one_atan~0), ~someBinaryArithmeticFLOAToperation(2.0, atan_float_~x#1)); [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L82: assume !(atan_float_~ix~1#1 < 1060110336);atan_float_~id~0#1 := 1;atan_float_~x#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(atan_float_~x#1, ~one_atan~0), ~someBinaryArithmeticFLOAToperation(atan_float_~x#1, ~one_atan~0)); [2025-02-07 18:44:17,784 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume false;main_#res#1 := 1; [2025-02-07 18:44:17,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume !false; [2025-02-07 18:44:17,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: main_#t~ret26#1 := atan_float_#res#1;havoc atan_float_#t~mem6#1, atan_float_~#gf_u~1#1.base, atan_float_~#gf_u~1#1.offset, atan_float_#t~mem7#1, atan_float_#t~mem8#1, atan_float_#t~mem9#1, atan_float_#t~mem10#1, atan_float_#t~ret11#1, atan_float_#t~mem17#1, atan_float_#t~mem16#1, atan_float_#t~mem15#1, atan_float_#t~mem14#1, atan_float_#t~mem13#1, atan_float_#t~mem12#1, atan_float_#t~mem22#1, atan_float_#t~mem21#1, atan_float_#t~mem20#1, atan_float_#t~mem19#1, atan_float_#t~mem18#1, atan_float_#t~mem24#1, atan_float_#t~mem23#1, atan_float_~x#1, atan_float_~w~0#1, atan_float_~s1~0#1, atan_float_~s2~0#1, atan_float_~z~0#1, atan_float_~ix~1#1, atan_float_~hx~0#1, atan_float_~id~0#1;havoc atan_float_#in~x#1;assume { :end_inline_atan_float } true;main_~res~0#1 := main_#t~ret26#1;havoc main_#t~ret26#1;main_#t~short28#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, 0.0); [2025-02-07 18:44:17,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L128-1: __signbit_float_#res#1 := (if 0 != (__signbit_float_~w~1#1 - __signbit_float_~w~1#1 % 2147483648) % 4294967296 then 1 else 0); [2025-02-07 18:44:17,785 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L80: atan_float_#t~ret11#1 := fabs_float_#res#1;havoc fabs_float_#t~mem4#1, fabs_float_~#gf_u~0#1.base, fabs_float_~#gf_u~0#1.offset, fabs_float_#t~mem5#1, fabs_float_~#sf_u~0#1.base, fabs_float_~#sf_u~0#1.offset, fabs_float_~x#1, fabs_float_~ix~0#1;havoc fabs_float_#in~x#1;assume { :end_inline_fabs_float } true;atan_float_~x#1 := atan_float_#t~ret11#1;havoc atan_float_#t~ret11#1; [2025-02-07 18:44:17,801 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-02-07 18:44:17,801 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:44:17,807 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:44:17,807 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:44:17,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:17 BoogieIcfgContainer [2025-02-07 18:44:17,808 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:44:17,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:44:17,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:44:17,813 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:44:17,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:44:17" (1/3) ... [2025-02-07 18:44:17,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7865145d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:17, skipping insertion in model container [2025-02-07 18:44:17,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:17" (2/3) ... [2025-02-07 18:44:17,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7865145d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:17, skipping insertion in model container [2025-02-07 18:44:17,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:17" (3/3) ... [2025-02-07 18:44:17,816 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a.c [2025-02-07 18:44:17,827 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:44:17,828 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0620a.c that has 1 procedures, 30 locations, 1 initial locations, 8 loop locations, and 5 error locations. [2025-02-07 18:44:17,878 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:44:17,890 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;@7ed30bce, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:44:17,890 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-07 18:44:17,893 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 24 states have (on average 1.7916666666666667) internal successors, (43), 28 states have internal predecessors, (43), 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 18:44:17,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:44:17,896 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:44:17,896 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:44:17,897 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 2 more)] === [2025-02-07 18:44:17,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:44:17,901 INFO L85 PathProgramCache]: Analyzing trace with hash 3291870, now seen corresponding path program 1 times [2025-02-07 18:44:17,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:44:17,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100075404] [2025-02-07 18:44:17,906 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:44:17,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:44:17,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:44:18,039 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:44:18,040 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:44:18,040 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:44:18,040 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:44:18,048 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:44:18,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:44:18,071 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:44:18,072 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:44:18,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:44:18,093 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:44:18,094 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 5 remaining) [2025-02-07 18:44:18,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2025-02-07 18:44:18,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 5 remaining) [2025-02-07 18:44:18,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 5 remaining) [2025-02-07 18:44:18,096 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 5 remaining) [2025-02-07 18:44:18,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:44:18,100 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:44:18,116 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:44:18,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:44:18 BoogieIcfgContainer [2025-02-07 18:44:18,120 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:44:18,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:44:18,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:44:18,121 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:44:18,121 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:17" (3/4) ... [2025-02-07 18:44:18,123 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:44:18,123 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:44:18,124 INFO L158 Benchmark]: Toolchain (without parser) took 944.85ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 50.0MB in the end (delta: 55.3MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:44:18,124 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 192.9MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:18,125 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.04ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 92.2MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:18,125 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.79ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:18,125 INFO L158 Benchmark]: Boogie Preprocessor took 24.50ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:18,125 INFO L158 Benchmark]: IcfgBuilder took 319.25ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 71.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:18,126 INFO L158 Benchmark]: TraceAbstraction took 311.07ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 50.4MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:18,126 INFO L158 Benchmark]: Witness Printer took 3.05ms. Allocated memory is still 142.6MB. Free memory was 50.4MB in the beginning and 50.0MB in the end (delta: 411.1kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:18,127 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 192.9MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.04ms. Allocated memory is still 142.6MB. Free memory was 105.3MB in the beginning and 92.2MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.79ms. Allocated memory is still 142.6MB. Free memory was 92.2MB in the beginning and 90.1MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.50ms. Allocated memory is still 142.6MB. Free memory was 90.1MB in the beginning and 88.5MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 319.25ms. Allocated memory is still 142.6MB. Free memory was 88.5MB in the beginning and 71.3MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 311.07ms. Allocated memory is still 142.6MB. Free memory was 70.9MB in the beginning and 50.4MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.05ms. Allocated memory is still 142.6MB. Free memory was 50.4MB in the beginning and 50.0MB in the end (delta: 411.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 60]: 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 60, overapproximation of someUnaryDOUBLEoperation at line 46. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L31-L36] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L38-L43] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L45-L49] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L51-L53] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L139] float x = 0.0f; [L140] CALL atan_float(x) [L56] float w, s1, s2, z; [L57] __int32_t ix, hx, id; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L63] COND TRUE 0 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] [L60] ieee_float_shape_type gf_u; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, huge_floor=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, x=0] - UnprovableResult [Line: 144]: 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: 123]: 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: 24]: 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: 19]: 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, 30 locations, 5 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=29occurred 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, 0.1s 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 18:44:18,151 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/float_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 0682c5b0aa15583147a7e08f281b31c84f28e6f8db41872cc8e834f12ff21a47 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:44:20,103 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:44:20,173 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:44:20,180 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:44:20,183 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:44:20,199 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:44:20,200 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:44:20,200 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:44:20,200 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:44:20,200 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:44:20,200 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:44:20,200 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:44:20,200 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:44:20,200 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:44:20,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:44:20,201 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:44:20,202 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:44:20,205 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:44:20,206 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:20,206 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:44:20,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:44:20,207 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:44:20,207 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 -> 0682c5b0aa15583147a7e08f281b31c84f28e6f8db41872cc8e834f12ff21a47 [2025-02-07 18:44:20,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:44:20,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:44:20,475 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:44:20,475 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:44:20,475 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:44:20,476 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2025-02-07 18:44:21,674 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47db4decd/a557f044cda4451ea7d2c79799dc6ed4/FLAG819b18a5f [2025-02-07 18:44:21,887 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:44:21,891 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0620a.c [2025-02-07 18:44:21,897 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47db4decd/a557f044cda4451ea7d2c79799dc6ed4/FLAG819b18a5f [2025-02-07 18:44:21,911 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/47db4decd/a557f044cda4451ea7d2c79799dc6ed4 [2025-02-07 18:44:21,913 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:44:21,914 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:44:21,916 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:21,916 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:44:21,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:44:21,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:21" (1/1) ... [2025-02-07 18:44:21,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad637d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:21, skipping insertion in model container [2025-02-07 18:44:21,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:21" (1/1) ... [2025-02-07 18:44:21,935 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:44:22,081 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/float_req_bl_0620a.c[3328,3341] [2025-02-07 18:44:22,083 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:22,101 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:44:22,133 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/float_req_bl_0620a.c[3328,3341] [2025-02-07 18:44:22,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:22,154 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:44:22,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22 WrapperNode [2025-02-07 18:44:22,155 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:22,156 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:22,156 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:44:22,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:44:22,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,172 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,196 INFO L138 Inliner]: procedures = 23, calls = 65, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 194 [2025-02-07 18:44:22,198 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:22,199 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:44:22,199 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:44:22,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:44:22,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,209 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,228 INFO L175 MemorySlicer]: Split 47 memory accesses to 8 slices as follows [2, 2, 7, 2, 7, 23, 2, 2]. 49 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 0, 4, 0, 0, 0]. The 16 writes are split as follows [0, 1, 0, 1, 0, 12, 1, 1]. [2025-02-07 18:44:22,229 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,229 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,246 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,251 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,258 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,261 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:44:22,265 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:44:22,265 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:44:22,265 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:44:22,266 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (1/1) ... [2025-02-07 18:44:22,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:22,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:44:22,302 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 18:44:22,304 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 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:44:22,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-07 18:44:22,323 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#7 [2025-02-07 18:44:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:44:22,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:44:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:44:22,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:44:22,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:44:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:44:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:44:22,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:44:22,424 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:44:22,426 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:44:44,439 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L128-1: __signbit_float_#res#1 := (if 0bv32 != ~bvand~32(2147483648bv32, __signbit_float_~w~1#1) then 1bv32 else 0bv32); [2025-02-07 18:44:44,440 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume true;call __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#3(__signbit_float_~x#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4bv32);call __signbit_float_#t~mem25#1 := read~intINTTYPE4#3(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, 4bv32);__signbit_float_~w~1#1 := __signbit_float_#t~mem25#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset);havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset;havoc __signbit_float_#t~mem25#1; [2025-02-07 18:44:44,440 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122: assume !true; [2025-02-07 18:44:44,440 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: assume false; [2025-02-07 18:44:44,440 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L122-1: assume !false; [2025-02-07 18:44:44,440 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L81: assume ~bvslt~32(atan_float_~ix~1#1, 1066926080bv32); [2025-02-07 18:44:44,440 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L81: assume !~bvslt~32(atan_float_~ix~1#1, 1066926080bv32); [2025-02-07 18:44:44,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !main_#t~short28#1;havoc main_#t~ret27#1;havoc main_#t~short28#1; [2025-02-07 18:44:44,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143: assume !!main_#t~short28#1;havoc main_#t~ret27#1;havoc main_#t~short28#1;main_#res#1 := 0bv32;#t~ret29#1 := main_#res#1;havoc main_#t~ret26#1, main_#t~ret27#1, main_#t~short28#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:44:44,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-1: main_#t~ret27#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem25#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;main_#t~short28#1 := 0bv32 == main_#t~ret27#1; [2025-02-07 18:44:44,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-2: assume main_#t~short28#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem25#1, __signbit_float_~#gf_u~2#1.base, __signbit_float_~#gf_u~2#1.offset, __signbit_float_~x#1, __signbit_float_~w~1#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~1#1; [2025-02-07 18:44:44,441 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L143-2: assume !main_#t~short28#1; [2025-02-07 18:44:44,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:44:44,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume ~bvslt~32(atan_float_~ix~1#1, 1075576832bv32);atan_float_~id~0#1 := 2bv32;atan_float_~x#1 := ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, atan_float_~x#1, ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.5))), ~fp.add~32(currentRoundingMode, ~one_atan~0, ~fp.mul~32(currentRoundingMode, ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.5)), atan_float_~x#1))); [2025-02-07 18:44:44,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L90: assume !~bvslt~32(atan_float_~ix~1#1, 1075576832bv32);atan_float_~id~0#1 := 3bv32;atan_float_~x#1 := ~fp.div~32(currentRoundingMode, ~fp.neg~32(~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~64(currentRoundingMode, 1.0))), atan_float_~x#1); [2025-02-07 18:44:44,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L82: assume ~bvslt~32(atan_float_~ix~1#1, 1060110336bv32);atan_float_~id~0#1 := 0bv32;atan_float_~x#1 := ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2.0)), atan_float_~x#1), ~one_atan~0), ~fp.add~32(currentRoundingMode, ~convertDOUBLEToFLOAT(currentRoundingMode, ~to_fp~64(currentRoundingMode, 2.0)), atan_float_~x#1)); [2025-02-07 18:44:44,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L82: assume !~bvslt~32(atan_float_~ix~1#1, 1060110336bv32);atan_float_~id~0#1 := 1bv32;atan_float_~x#1 := ~fp.div~32(currentRoundingMode, ~fp.sub~32(currentRoundingMode, atan_float_~x#1, ~one_atan~0), ~fp.add~32(currentRoundingMode, atan_float_~x#1, ~one_atan~0)); [2025-02-07 18:44:44,442 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume false;main_#res#1 := 1bv32; [2025-02-07 18:44:44,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L144: assume !false; [2025-02-07 18:44:44,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L80: atan_float_#t~ret11#1 := fabs_float_#res#1;havoc fabs_float_#t~mem4#1, fabs_float_~#gf_u~0#1.base, fabs_float_~#gf_u~0#1.offset, fabs_float_#t~mem5#1, fabs_float_~#sf_u~0#1.base, fabs_float_~#sf_u~0#1.offset, fabs_float_~x#1, fabs_float_~ix~0#1;havoc fabs_float_#in~x#1;assume { :end_inline_fabs_float } true;atan_float_~x#1 := atan_float_#t~ret11#1;havoc atan_float_#t~ret11#1; [2025-02-07 18:44:44,443 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L140: main_#t~ret26#1 := atan_float_#res#1;havoc atan_float_#t~mem6#1, atan_float_~#gf_u~1#1.base, atan_float_~#gf_u~1#1.offset, atan_float_#t~mem7#1, atan_float_#t~mem8#1, atan_float_#t~mem9#1, atan_float_#t~mem10#1, atan_float_#t~ret11#1, atan_float_#t~mem17#1, atan_float_#t~mem16#1, atan_float_#t~mem15#1, atan_float_#t~mem14#1, atan_float_#t~mem13#1, atan_float_#t~mem12#1, atan_float_#t~mem22#1, atan_float_#t~mem21#1, atan_float_#t~mem20#1, atan_float_#t~mem19#1, atan_float_#t~mem18#1, atan_float_#t~mem24#1, atan_float_#t~mem23#1, atan_float_~x#1, atan_float_~w~0#1, atan_float_~s1~0#1, atan_float_~s2~0#1, atan_float_~z~0#1, atan_float_~ix~1#1, atan_float_~hx~0#1, atan_float_~id~0#1;havoc atan_float_#in~x#1;assume { :end_inline_atan_float } true;main_~res~0#1 := main_#t~ret26#1;havoc main_#t~ret26#1;main_#t~short28#1 := ~fp.eq~32(main_~res~0#1, ~Pluszero~32()); [2025-02-07 18:44:44,460 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2025-02-07 18:44:44,460 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:44:44,468 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:44:44,469 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:44:44,469 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:44 BoogieIcfgContainer [2025-02-07 18:44:44,469 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:44:44,471 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:44:44,471 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:44:44,474 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:44:44,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:44:21" (1/3) ... [2025-02-07 18:44:44,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f37d6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:44, skipping insertion in model container [2025-02-07 18:44:44,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:22" (2/3) ... [2025-02-07 18:44:44,475 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f37d6b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:44, skipping insertion in model container [2025-02-07 18:44:44,475 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:44" (3/3) ... [2025-02-07 18:44:44,476 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0620a.c [2025-02-07 18:44:44,486 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:44:44,488 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0620a.c that has 1 procedures, 21 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-07 18:44:44,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:44:44,529 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;@4b456fc7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:44:44,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:44:44,533 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 19 states have internal predecessors, (31), 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 18:44:44,536 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:44:44,540 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:44:44,546 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:44:44,548 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 20 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 19 states have internal predecessors, (31), 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 18:44:44,561 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:44:44,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:44:44 BoogieIcfgContainer [2025-02-07 18:44:44,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:44:44,573 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:44:44,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:44:44,574 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:44:44,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:44" (3/4) ... [2025-02-07 18:44:44,576 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:44:44,582 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-07 18:44:44,584 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 18:44:44,584 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:44:44,584 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:44:44,659 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:44:44,659 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:44:44,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:44:44,660 INFO L158 Benchmark]: Toolchain (without parser) took 22746.05ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 87.4MB in the end (delta: 4.9MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:44,660 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:44,661 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:44,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.35ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:44,661 INFO L158 Benchmark]: Boogie Preprocessor took 62.68ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 72.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:44,661 INFO L158 Benchmark]: IcfgBuilder took 22203.70ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 49.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:44:44,661 INFO L158 Benchmark]: TraceAbstraction took 101.23ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 41.3MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:44,662 INFO L158 Benchmark]: Witness Printer took 86.22ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 87.4MB in the end (delta: -46.1MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB. [2025-02-07 18:44:44,663 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 83.9MB. Free memory is still 61.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.57ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 78.2MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.35ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 76.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.68ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 72.7MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 22203.70ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 49.0MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 101.23ms. Allocated memory is still 117.4MB. Free memory was 48.3MB in the beginning and 41.3MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 86.22ms. Allocated memory is still 117.4MB. Free memory was 41.3MB in the beginning and 87.4MB in the end (delta: -46.1MB). Peak memory consumption was 14.1MB. 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: 144]: 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, 21 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=20occurred 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 18:44:44,749 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 Writing output log to file Ultimate.log Result: TRUE