./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0621b.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_0621b.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 f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:44:24,277 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:44:24,342 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:44:24,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:44:24,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:44:24,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:44:24,366 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:44:24,366 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:44:24,366 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:44:24,366 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:44:24,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:44:24,367 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:44:24,367 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:44:24,367 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:44:24,368 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:44:24,368 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:24,369 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:44:24,369 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:44:24,369 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:44:24,369 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:44:24,369 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:44:24,369 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:44:24,370 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:44:24,370 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:44:24,370 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:44:24,370 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:44:24,370 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 -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2025-02-07 18:44:24,636 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:44:24,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:44:24,649 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:44:24,650 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:44:24,650 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:44:24,651 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2025-02-07 18:44:25,970 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e67d33be9/f7e03ecb64d44c55a75b38825c92b8da/FLAG4960f40a7 [2025-02-07 18:44:26,233 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:44:26,235 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2025-02-07 18:44:26,244 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e67d33be9/f7e03ecb64d44c55a75b38825c92b8da/FLAG4960f40a7 [2025-02-07 18:44:26,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/e67d33be9/f7e03ecb64d44c55a75b38825c92b8da [2025-02-07 18:44:26,258 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:44:26,259 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:44:26,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:26,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:44:26,264 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:44:26,265 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@907b8ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26, skipping insertion in model container [2025-02-07 18:44:26,268 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,284 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:44:26,441 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_0621b.c[3193,3206] [2025-02-07 18:44:26,443 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:26,457 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:44:26,483 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_0621b.c[3193,3206] [2025-02-07 18:44:26,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:26,504 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:44:26,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26 WrapperNode [2025-02-07 18:44:26,505 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:26,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:26,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:44:26,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:44:26,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,535 INFO L138 Inliner]: procedures = 20, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 176 [2025-02-07 18:44:26,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:26,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:44:26,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:44:26,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:44:26,544 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,546 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,551 WARN L109 MemorySlicer]: Omit memory slicing because it failed with the following exception: Unsupported: Memory array in LHS [2025-02-07 18:44:26,551 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,551 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,557 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,558 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,560 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:44:26,563 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:44:26,563 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:44:26,563 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:44:26,564 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (1/1) ... [2025-02-07 18:44:26,568 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:26,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:44:26,594 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 18:44:26,596 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 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:44:26,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2025-02-07 18:44:26,611 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:44:26,698 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:44:26,700 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:44:26,950 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: 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 18:44:26,951 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: 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 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L85: 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 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L85: 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 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L83: 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 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: assume ~someBinaryFLOATComparisonOperation(main_~res~0#1, ~someUnaryFLOAToperation(~pi_o_2~0)); [2025-02-07 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: assume !~someBinaryFLOATComparisonOperation(main_~res~0#1, ~someUnaryFLOAToperation(~pi_o_2~0));main_#res#1 := 0;#t~ret26#1 := main_#res#1;havoc main_#t~ret25#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: main_#t~ret25#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~ret25#1;havoc main_#t~ret25#1; [2025-02-07 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: assume atan_float_~ix~1#1 < 1066926080; [2025-02-07 18:44:26,952 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: assume !(atan_float_~ix~1#1 < 1066926080); [2025-02-07 18:44:26,954 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume false;main_#res#1 := 1; [2025-02-07 18:44:26,954 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume !false; [2025-02-07 18:44:26,971 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2025-02-07 18:44:26,971 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:44:26,982 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:44:26,983 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:44:26,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:26 BoogieIcfgContainer [2025-02-07 18:44:26,983 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:44:26,986 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:44:26,987 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:44:26,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:44:26,991 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:44:26" (1/3) ... [2025-02-07 18:44:26,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a188fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:26, skipping insertion in model container [2025-02-07 18:44:26,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:26" (2/3) ... [2025-02-07 18:44:26,993 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a188fa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:26, skipping insertion in model container [2025-02-07 18:44:26,993 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:26" (3/3) ... [2025-02-07 18:44:26,994 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2025-02-07 18:44:27,009 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:44:27,011 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0621b.c that has 1 procedures, 30 locations, 1 initial locations, 6 loop locations, and 4 error locations. [2025-02-07 18:44:27,063 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:44:27,074 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;@459a30b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:44:27,075 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2025-02-07 18:44:27,079 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 18:44:27,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:44:27,084 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:44:27,084 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:44:27,085 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 1 more)] === [2025-02-07 18:44:27,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:44:27,089 INFO L85 PathProgramCache]: Analyzing trace with hash 2891678, now seen corresponding path program 1 times [2025-02-07 18:44:27,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:44:27,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472559595] [2025-02-07 18:44:27,099 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:44:27,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:44:27,207 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:44:27,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:44:27,268 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:44:27,268 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:44:27,268 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:44:27,277 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:44:27,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:44:27,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:44:27,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:44:27,335 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:44:27,336 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:44:27,337 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 4 remaining) [2025-02-07 18:44:27,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 4 remaining) [2025-02-07 18:44:27,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 4 remaining) [2025-02-07 18:44:27,339 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 4 remaining) [2025-02-07 18:44:27,340 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:44:27,344 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:44:27,358 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:44:27,360 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:44:27 BoogieIcfgContainer [2025-02-07 18:44:27,361 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:44:27,361 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:44:27,361 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:44:27,362 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:44:27,362 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:26" (3/4) ... [2025-02-07 18:44:27,364 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:44:27,365 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:44:27,366 INFO L158 Benchmark]: Toolchain (without parser) took 1106.51ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 50.7MB in the end (delta: 53.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:44:27,366 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:27,366 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.92ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.6MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:27,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.80ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 89.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:27,367 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:27,367 INFO L158 Benchmark]: IcfgBuilder took 420.18ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 71.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:27,367 INFO L158 Benchmark]: TraceAbstraction took 374.15ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 50.7MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:27,367 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory is still 50.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:27,372 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 124.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.92ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 91.6MB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.80ms. Allocated memory is still 142.6MB. Free memory was 91.6MB in the beginning and 89.4MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 88.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 420.18ms. Allocated memory is still 142.6MB. Free memory was 88.3MB in the beginning and 71.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 374.15ms. Allocated memory is still 142.6MB. Free memory was 71.6MB in the beginning and 50.7MB in the end (delta: 20.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 142.6MB. Free memory is still 50.7MB. 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: 63]: 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 63, overapproximation of someUnaryDOUBLEoperation at line 49, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L14] static const float huge_floor = 1.0e30; [L34-L39] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L41-L46] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L48-L52] 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, }; [L54-L56] 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; [L128] float x = -1.0f / 0.0f; [L129] CALL atan_float(x) [L59] float w, s1, s2, z; [L60] __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=1000000000000000000000000000033] [L66] 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=1000000000000000000000000000033] [L63] 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=1000000000000000000000000000033] - UnprovableResult [Line: 132]: 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: 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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 18:44:27,394 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_0621b.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 f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:44:29,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:44:29,815 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:44:29,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:44:29,825 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:44:29,853 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:44:29,854 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:44:29,855 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:44:29,855 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:44:29,856 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:44:29,856 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:44:29,856 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:44:29,857 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:44:29,857 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:44:29,857 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:44:29,857 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:44:29,857 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:44:29,857 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:44:29,857 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:44:29,858 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:44:29,859 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:44:29,859 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:44:29,859 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:44:29,859 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:44:29,859 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:44:29,859 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:44:29,859 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:44:29,860 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:29,860 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:44:29,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:44:29,860 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:44:29,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:44:29,860 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:44:29,860 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:44:29,861 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:44:29,861 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:44:29,861 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:44:29,861 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:44:29,861 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 -> f3f9ad21dd7d67bbc4f66ae64c1354ed5030da1a5ccfb05f9849101ef77cea32 [2025-02-07 18:44:30,156 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:44:30,166 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:44:30,168 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:44:30,170 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:44:30,171 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:44:30,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2025-02-07 18:44:31,504 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c9c04f24/ac3951bdf102493abc5f043f2ccfbfbe/FLAG992ab2933 [2025-02-07 18:44:31,717 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:44:31,720 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0621b.c [2025-02-07 18:44:31,729 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c9c04f24/ac3951bdf102493abc5f043f2ccfbfbe/FLAG992ab2933 [2025-02-07 18:44:31,751 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/7c9c04f24/ac3951bdf102493abc5f043f2ccfbfbe [2025-02-07 18:44:31,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:44:31,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:44:31,762 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:31,762 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:44:31,766 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:44:31,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:31" (1/1) ... [2025-02-07 18:44:31,767 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431f18da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:31, skipping insertion in model container [2025-02-07 18:44:31,767 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:44:31" (1/1) ... [2025-02-07 18:44:31,787 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:44:31,977 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_0621b.c[3193,3206] [2025-02-07 18:44:31,981 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:32,003 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:44:32,049 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_0621b.c[3193,3206] [2025-02-07 18:44:32,053 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:44:32,077 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:44:32,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32 WrapperNode [2025-02-07 18:44:32,078 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:44:32,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:32,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:44:32,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:44:32,086 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,121 INFO L138 Inliner]: procedures = 23, calls = 60, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 171 [2025-02-07 18:44:32,122 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:44:32,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:44:32,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:44:32,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:44:32,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,133 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,156 INFO L175 MemorySlicer]: Split 45 memory accesses to 7 slices as follows [2, 2, 7, 2, 7, 23, 2]. 51 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [2, 0, 4, 0, 4, 0, 0]. The 15 writes are split as follows [0, 1, 0, 1, 0, 12, 1]. [2025-02-07 18:44:32,160 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,160 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,183 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,191 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,193 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,198 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:44:32,199 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:44:32,199 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:44:32,199 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:44:32,200 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (1/1) ... [2025-02-07 18:44:32,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:44:32,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:44:32,240 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 18:44:32,244 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 18:44:32,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:44:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:44:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:44:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:44:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:44:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:44:32,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:44:32,270 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:44:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:44:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:44:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:44:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:44:32,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#0 [2025-02-07 18:44:32,272 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#1 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#2 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#3 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#4 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#5 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4#6 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:44:32,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:44:32,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:44:32,413 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:44:32,415 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: 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 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L93: 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 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L85: 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 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L85: 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 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L83: 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 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: assume !~fp.eq~32(main_~res~0#1, ~fp.neg~32(~pi_o_2~0)); [2025-02-07 18:44:54,922 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L131: assume !!~fp.eq~32(main_~res~0#1, ~fp.neg~32(~pi_o_2~0));main_#res#1 := 0bv32;#t~ret26#1 := main_#res#1;havoc main_#t~ret25#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:44:54,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: main_#t~ret25#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~ret25#1;havoc main_#t~ret25#1; [2025-02-07 18:44:54,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:44:54,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: assume ~bvslt~32(atan_float_~ix~1#1, 1066926080bv32); [2025-02-07 18:44:54,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: assume !~bvslt~32(atan_float_~ix~1#1, 1066926080bv32); [2025-02-07 18:44:54,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume false;main_#res#1 := 1bv32; [2025-02-07 18:44:54,923 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume !false; [2025-02-07 18:44:54,938 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2025-02-07 18:44:54,938 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:44:54,945 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:44:54,945 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:44:54,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:54 BoogieIcfgContainer [2025-02-07 18:44:54,946 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:44:54,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:44:54,948 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:44:54,952 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:44:54,952 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:44:31" (1/3) ... [2025-02-07 18:44:54,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c218eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:54, skipping insertion in model container [2025-02-07 18:44:54,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:44:32" (2/3) ... [2025-02-07 18:44:54,953 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c218eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:44:54, skipping insertion in model container [2025-02-07 18:44:54,953 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:54" (3/3) ... [2025-02-07 18:44:54,954 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0621b.c [2025-02-07 18:44:54,967 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:44:54,968 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0621b.c that has 1 procedures, 21 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2025-02-07 18:44:55,010 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:44:55,021 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;@6ff0c598, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:44:55,021 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:44:55,028 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 18:44:55,033 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:44:55,037 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:44:55,041 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:44:55,043 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 18:44:55,056 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:44:55,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:44:55 BoogieIcfgContainer [2025-02-07 18:44:55,062 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:44:55,063 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:44:55,063 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:44:55,063 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:44:55,063 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:44:54" (3/4) ... [2025-02-07 18:44:55,065 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:44:55,073 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2025-02-07 18:44:55,073 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2025-02-07 18:44:55,073 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:44:55,073 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:44:55,162 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:44:55,163 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:44:55,163 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:44:55,165 INFO L158 Benchmark]: Toolchain (without parser) took 23407.65ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 40.9MB in the end (delta: 18.7MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2025-02-07 18:44:55,165 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:55,166 INFO L158 Benchmark]: CACSL2BoogieTranslator took 317.06ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 45.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:44:55,166 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.40ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:55,167 INFO L158 Benchmark]: Boogie Preprocessor took 75.44ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 40.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:44:55,167 INFO L158 Benchmark]: IcfgBuilder took 22747.41ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 55.2MB in the end (delta: -14.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:55,167 INFO L158 Benchmark]: TraceAbstraction took 114.69ms. Allocated memory is still 83.9MB. Free memory was 54.6MB in the beginning and 47.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:55,168 INFO L158 Benchmark]: Witness Printer took 100.78ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 40.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:44:55,170 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 83.9MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 317.06ms. Allocated memory is still 83.9MB. Free memory was 59.3MB in the beginning and 45.8MB in the end (delta: 13.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.40ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.6MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 75.44ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 40.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 22747.41ms. Allocated memory is still 83.9MB. Free memory was 40.5MB in the beginning and 55.2MB in the end (delta: -14.7MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 114.69ms. Allocated memory is still 83.9MB. Free memory was 54.6MB in the beginning and 47.6MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 100.78ms. Allocated memory is still 83.9MB. Free memory was 47.1MB in the beginning and 40.9MB in the end (delta: 6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 132]: 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 18:44:55,302 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 Writing output log to file Ultimate.log Result: TRUE