./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0920a.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 fdcf375e0f63a99aa336478d14a39a9f0916e41e4e2744057c95b8e96462ebe9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:40:14,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:40:14,269 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:40:14,272 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:40:14,272 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:40:14,286 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:40:14,286 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:40:14,286 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:40:14,287 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:40:14,287 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:40:14,287 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:40:14,287 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:40:14,287 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:40:14,287 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:40:14,288 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:40:14,288 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:40:14,288 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:40:14,288 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:40:14,288 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:40:14,289 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:40:14,289 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:40:14,290 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:40:14,290 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:40:14,290 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:40:14,290 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:40:14,290 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:40:14,290 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:40:14,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:40:14,291 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:40:14,291 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:40:14,291 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:40:14,291 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:40:14,291 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:40:14,291 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:40:14,291 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 -> fdcf375e0f63a99aa336478d14a39a9f0916e41e4e2744057c95b8e96462ebe9 [2025-02-07 18:40:14,496 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:40:14,501 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:40:14,502 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:40:14,503 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:40:14,503 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:40:14,504 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2025-02-07 18:40:15,710 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d17faef3/bddded1889724ec5bcfd50e101acd01d/FLAG1c48e78db [2025-02-07 18:40:15,977 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:40:15,978 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2025-02-07 18:40:16,012 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d17faef3/bddded1889724ec5bcfd50e101acd01d/FLAG1c48e78db [2025-02-07 18:40:16,300 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/9d17faef3/bddded1889724ec5bcfd50e101acd01d [2025-02-07 18:40:16,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:40:16,305 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:40:16,307 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:40:16,307 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:40:16,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:40:16,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32745194 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16, skipping insertion in model container [2025-02-07 18:40:16,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,337 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:40:16,462 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c[4007,4020] [2025-02-07 18:40:16,464 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:40:16,475 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:40:16,495 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c[4007,4020] [2025-02-07 18:40:16,495 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:40:16,505 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:40:16,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16 WrapperNode [2025-02-07 18:40:16,506 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:40:16,506 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:40:16,506 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:40:16,506 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:40:16,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,530 INFO L138 Inliner]: procedures = 19, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 223 [2025-02-07 18:40:16,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:40:16,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:40:16,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:40:16,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:40:16,537 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,537 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,539 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,548 INFO L175 MemorySlicer]: Split 12 memory accesses to 5 slices as follows [2, 3, 2, 2, 3]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 1, 1, 2]. [2025-02-07 18:40:16,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,554 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,555 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,560 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,561 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:40:16,563 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:40:16,563 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:40:16,563 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:40:16,567 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (1/1) ... [2025-02-07 18:40:16,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:40:16,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:40:16,592 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 18:40:16,595 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 18:40:16,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:40:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:40:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:40:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:40:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:40:16,611 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:40:16,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:40:16,613 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:40:16,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:40:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:40:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:40:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:40:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:40:16,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:40:16,706 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:40:16,708 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:40:16,936 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155: assume 0 == main_#t~ret23#1;havoc main_#t~ret23#1; [2025-02-07 18:40:16,936 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155: assume !(0 == main_#t~ret23#1);havoc main_#t~ret23#1;havoc main_~res~0#1; [2025-02-07 18:40:16,936 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155-1: main_#t~ret23#1 := isnan_double_#res#1;havoc isnan_double_~x#1;havoc isnan_double_#in~x#1;assume { :end_inline_isnan_double } true;assume -2147483648 <= main_#t~ret23#1 && main_#t~ret23#1 <= 2147483647; [2025-02-07 18:40:16,937 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: assume false;main_#res#1 := 1; [2025-02-07 18:40:16,937 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: assume !false; [2025-02-07 18:40:16,937 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L152: main_#t~ret22#1 := __ieee754_log_#res#1;havoc __ieee754_log_#t~mem9#1, __ieee754_log_#t~mem10#1, __ieee754_log_~#ew_u~1#1.base, __ieee754_log_~#ew_u~1#1.offset, __ieee754_log_#t~bitwise11#1, __ieee754_log_#t~mem12#1, __ieee754_log_~#gh_u~0#1.base, __ieee754_log_~#gh_u~0#1.offset, __ieee754_log_#t~bitwise13#1, __ieee754_log_#t~bitwise14#1, __ieee754_log_#t~bitwise15#1, __ieee754_log_#t~mem16#1, __ieee754_log_~#sh_u~0#1.base, __ieee754_log_~#sh_u~0#1.offset, __ieee754_log_#t~bitwise17#1, __ieee754_log_~x#1, __ieee754_log_~hfsq~0#1, __ieee754_log_~f~0#1, __ieee754_log_~s~0#1, __ieee754_log_~z~0#1, __ieee754_log_~R~0#1, __ieee754_log_~w~0#1, __ieee754_log_~t1~0#1, __ieee754_log_~t2~0#1, __ieee754_log_~dk~0#1, __ieee754_log_~k~0#1, __ieee754_log_~hx~1#1, __ieee754_log_~i~0#1, __ieee754_log_~j~0#1, __ieee754_log_~lx~1#1;havoc __ieee754_log_#in~x#1;assume { :end_inline___ieee754_log } true;main_~res~0#1 := main_#t~ret22#1;havoc main_#t~ret22#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if ~someBinaryDOUBLEComparisonOperation(isnan_double_~x#1, isnan_double_~x#1) then 1 else 0); [2025-02-07 18:40:16,937 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-2: main_#t~ret20#1 := isfinite_double_#res#1;havoc isfinite_double_#t~mem18#1, isfinite_double_~#gh_u~1#1.base, isfinite_double_~#gh_u~1#1.offset, isfinite_double_~x#1, isfinite_double_~hx~2#1;havoc isfinite_double_#in~x#1;assume { :end_inline_isfinite_double } true;assume -2147483648 <= main_#t~ret20#1 && main_#t~ret20#1 <= 2147483647;main_#t~short21#1 := 0 != main_#t~ret20#1; [2025-02-07 18:40:16,950 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2025-02-07 18:40:16,951 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:40:16,979 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:40:16,979 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:40:16,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:40:16 BoogieIcfgContainer [2025-02-07 18:40:16,980 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:40:16,984 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:40:16,984 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:40:16,991 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:40:16,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:40:16" (1/3) ... [2025-02-07 18:40:16,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3970261c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:40:16, skipping insertion in model container [2025-02-07 18:40:16,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:16" (2/3) ... [2025-02-07 18:40:16,992 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3970261c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:40:16, skipping insertion in model container [2025-02-07 18:40:16,992 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:40:16" (3/3) ... [2025-02-07 18:40:16,993 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a.c [2025-02-07 18:40:17,008 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:40:17,010 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0920a.c that has 1 procedures, 61 locations, 1 initial locations, 8 loop locations, and 5 error locations. [2025-02-07 18:40:17,047 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:40:17,055 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;@1e808149, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:40:17,055 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-02-07 18:40:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 54 states have (on average 1.7407407407407407) internal successors, (94), 60 states have internal predecessors, (94), 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 18:40:17,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2025-02-07 18:40:17,061 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:40:17,061 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2025-02-07 18:40:17,062 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 18:40:17,065 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:40:17,065 INFO L85 PathProgramCache]: Analyzing trace with hash 150716604, now seen corresponding path program 1 times [2025-02-07 18:40:17,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:40:17,070 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536905171] [2025-02-07 18:40:17,070 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:40:17,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:40:17,132 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-07 18:40:17,150 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-07 18:40:17,150 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:40:17,151 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:40:17,151 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:40:17,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 5 statements into 1 equivalence classes. [2025-02-07 18:40:17,161 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 5 of 5 statements. [2025-02-07 18:40:17,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:40:17,163 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:40:17,178 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:40:17,179 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:40:17,180 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 5 remaining) [2025-02-07 18:40:17,181 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2025-02-07 18:40:17,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 5 remaining) [2025-02-07 18:40:17,182 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 5 remaining) [2025-02-07 18:40:17,183 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 5 remaining) [2025-02-07 18:40:17,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:40:17,188 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:40:17,201 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:40:17,204 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:40:17 BoogieIcfgContainer [2025-02-07 18:40:17,204 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:40:17,204 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:40:17,205 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:40:17,205 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:40:17,206 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:40:16" (3/4) ... [2025-02-07 18:40:17,207 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:40:17,208 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:40:17,209 INFO L158 Benchmark]: Toolchain (without parser) took 905.32ms. Allocated memory is still 167.8MB. Free memory was 123.3MB in the beginning and 70.0MB in the end (delta: 53.3MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:40:17,209 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 118.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:40:17,209 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.68ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 109.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:40:17,209 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.45ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 107.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:40:17,210 INFO L158 Benchmark]: Boogie Preprocessor took 31.54ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:40:17,210 INFO L158 Benchmark]: IcfgBuilder took 416.55ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 83.9MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:40:17,210 INFO L158 Benchmark]: TraceAbstraction took 219.58ms. Allocated memory is still 167.8MB. Free memory was 83.3MB in the beginning and 70.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:40:17,213 INFO L158 Benchmark]: Witness Printer took 3.56ms. Allocated memory is still 167.8MB. Free memory is still 70.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:40:17,214 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 118.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.68ms. Allocated memory is still 167.8MB. Free memory was 122.7MB in the beginning and 109.7MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.45ms. Allocated memory is still 167.8MB. Free memory was 109.7MB in the beginning and 107.4MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.54ms. Allocated memory is still 167.8MB. Free memory was 107.4MB in the beginning and 105.3MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 416.55ms. Allocated memory is still 167.8MB. Free memory was 105.3MB in the beginning and 83.9MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 219.58ms. Allocated memory is still 167.8MB. Free memory was 83.3MB in the beginning and 70.0MB in the end (delta: 13.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.56ms. Allocated memory is still 167.8MB. Free memory is still 70.0MB. 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: 131]: 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 131, overapproximation of someBinaryDOUBLEComparisonOperation at line 150. Possible FailurePath: [L34-L43] static const double ln2_hi_log = 6.93147180369123816490e-01, ln2_lo_log = 1.90821492927058770002e-10, two54_log = 1.80143985094819840000e+16, Lg1_log = 6.666666666666735130e-01, Lg2_log = 3.999999999940941908e-01, Lg3_log = 2.857142874366239149e-01, Lg4_log = 2.222219843214978396e-01, Lg5_log = 1.818357216161805012e-01, Lg6_log = 1.531383769920937332e-01, Lg7_log = 1.479819860511658591e-01; [L45] static const double zero = 0.0; [L148] double x = __VERIFIER_nondet_double(); [L150] x < 0 && isfinite_double(x) VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L150] x < 0 && isfinite_double(x) [L150] CALL isfinite_double(x) [L129] __int32_t hx; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L134] COND TRUE 0 VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] [L131] ieee_double_shape_type gh_u; VAL [Lg1_log=666666666666673513/1000000000000000000, Lg2_log=999999999985235477/2500000000000000000, Lg3_log=2857142874366239149/10000000000000000000, Lg4_log=555554960803744599/2500000000000000000, Lg5_log=454589304040451253/2500000000000000000, Lg6_log=382845942480234333/2500000000000000000, Lg7_log=1479819860511658591/10000000000000000000, ln2_hi_log=69314718036912381649/100000000000000000000, ln2_lo_log=95410746463529385001/500000000000000000000000000000, two54_log=18014398509481984, zero=0] - UnprovableResult [Line: 156]: 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: 79]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 68]: 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: 53]: 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, 61 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=61occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 18:40:17,230 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0920a.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 fdcf375e0f63a99aa336478d14a39a9f0916e41e4e2744057c95b8e96462ebe9 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:40:19,228 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:40:19,313 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:40:19,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:40:19,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:40:19,342 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:40:19,343 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:40:19,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:40:19,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:40:19,363 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:40:19,364 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:40:19,364 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:40:19,364 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:40:19,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:40:19,365 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:40:19,365 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:40:19,365 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:40:19,366 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:40:19,366 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:40:19,366 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:40:19,366 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:40:19,366 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 -> fdcf375e0f63a99aa336478d14a39a9f0916e41e4e2744057c95b8e96462ebe9 [2025-02-07 18:40:19,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:40:19,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:40:19,626 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:40:19,628 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:40:19,628 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:40:19,630 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2025-02-07 18:40:20,800 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd9c9f616/0acc002fb5824da7b7532ec5a875f90d/FLAG04f946db8 [2025-02-07 18:40:21,024 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:40:21,025 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c [2025-02-07 18:40:21,031 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd9c9f616/0acc002fb5824da7b7532ec5a875f90d/FLAG04f946db8 [2025-02-07 18:40:21,369 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/bd9c9f616/0acc002fb5824da7b7532ec5a875f90d [2025-02-07 18:40:21,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:40:21,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:40:21,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:40:21,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:40:21,376 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:40:21,377 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,377 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44c4d1db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21, skipping insertion in model container [2025-02-07 18:40:21,378 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,389 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:40:21,537 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c[4007,4020] [2025-02-07 18:40:21,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:40:21,556 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:40:21,592 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0920a.c[4007,4020] [2025-02-07 18:40:21,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:40:21,616 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:40:21,617 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21 WrapperNode [2025-02-07 18:40:21,617 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:40:21,618 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:40:21,618 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:40:21,618 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:40:21,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,660 INFO L138 Inliner]: procedures = 22, calls = 33, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 171 [2025-02-07 18:40:21,663 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:40:21,663 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:40:21,664 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:40:21,664 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:40:21,673 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,674 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,678 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,690 INFO L175 MemorySlicer]: Split 12 memory accesses to 5 slices as follows [2, 3, 3, 2, 2]. 25 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0]. The 5 writes are split as follows [0, 1, 2, 1, 1]. [2025-02-07 18:40:21,690 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,690 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,700 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,705 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,710 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,713 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:40:21,714 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:40:21,714 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:40:21,714 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:40:21,715 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (1/1) ... [2025-02-07 18:40:21,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:40:21,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:40:21,750 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 18:40:21,752 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 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-07 18:40:21,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:40:21,772 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:40:21,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:40:21,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:40:21,845 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:40:21,847 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:41:07,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155: assume 0bv32 == main_#t~ret15#1;havoc main_#t~ret15#1; [2025-02-07 18:41:07,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155: assume !(0bv32 == main_#t~ret15#1);havoc main_#t~ret15#1;havoc main_~res~0#1; [2025-02-07 18:41:07,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L155-1: main_#t~ret15#1 := isnan_double_#res#1;havoc isnan_double_~x#1;havoc isnan_double_#in~x#1;assume { :end_inline_isnan_double } true; [2025-02-07 18:41:07,600 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: assume false;main_#res#1 := 1bv32; [2025-02-07 18:41:07,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L156: assume !false; [2025-02-07 18:41:07,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L152: main_#t~ret14#1 := __ieee754_log_#res#1;havoc __ieee754_log_#t~mem6#1, __ieee754_log_#t~mem7#1, __ieee754_log_~#ew_u~1#1.base, __ieee754_log_~#ew_u~1#1.offset, __ieee754_log_#t~mem8#1, __ieee754_log_~#gh_u~0#1.base, __ieee754_log_~#gh_u~0#1.offset, __ieee754_log_#t~mem9#1, __ieee754_log_~#sh_u~0#1.base, __ieee754_log_~#sh_u~0#1.offset, __ieee754_log_~x#1, __ieee754_log_~hfsq~0#1, __ieee754_log_~f~0#1, __ieee754_log_~s~0#1, __ieee754_log_~z~0#1, __ieee754_log_~R~0#1, __ieee754_log_~w~0#1, __ieee754_log_~t1~0#1, __ieee754_log_~t2~0#1, __ieee754_log_~dk~0#1, __ieee754_log_~k~0#1, __ieee754_log_~hx~1#1, __ieee754_log_~i~0#1, __ieee754_log_~j~0#1, __ieee754_log_~lx~1#1;havoc __ieee754_log_#in~x#1;assume { :end_inline___ieee754_log } true;main_~res~0#1 := main_#t~ret14#1;havoc main_#t~ret14#1;assume { :begin_inline_isnan_double } true;isnan_double_#in~x#1 := main_~res~0#1;havoc isnan_double_#res#1;havoc isnan_double_~x#1;isnan_double_~x#1 := isnan_double_#in~x#1;isnan_double_#res#1 := (if !~fp.eq~64(isnan_double_~x#1, isnan_double_~x#1) then 1bv32 else 0bv32); [2025-02-07 18:41:07,601 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L150-2: main_#t~ret12#1 := isfinite_double_#res#1;havoc isfinite_double_#t~mem10#1, isfinite_double_~#gh_u~1#1.base, isfinite_double_~#gh_u~1#1.offset, isfinite_double_~x#1, isfinite_double_~hx~2#1;havoc isfinite_double_#in~x#1;assume { :end_inline_isfinite_double } true;main_#t~short13#1 := 0bv32 != main_#t~ret12#1; [2025-02-07 18:41:07,608 INFO L? ?]: Removed 69 outVars from TransFormulas that were not future-live. [2025-02-07 18:41:07,608 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:41:07,618 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:41:07,618 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:41:07,619 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:07 BoogieIcfgContainer [2025-02-07 18:41:07,619 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:41:07,620 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:41:07,624 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:41:07,628 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:41:07,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:40:21" (1/3) ... [2025-02-07 18:41:07,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2670411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:41:07, skipping insertion in model container [2025-02-07 18:41:07,628 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:40:21" (2/3) ... [2025-02-07 18:41:07,628 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2670411 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:41:07, skipping insertion in model container [2025-02-07 18:41:07,629 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:07" (3/3) ... [2025-02-07 18:41:07,629 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0920a.c [2025-02-07 18:41:07,639 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:41:07,640 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0920a.c that has 1 procedures, 30 locations, 1 initial locations, 4 loop locations, and 1 error locations. [2025-02-07 18:41:07,670 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:41:07,684 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;@763c80d3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:41:07,684 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:41:07,687 INFO L276 IsEmpty]: Start isEmpty. Operand has 30 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 29 states have internal predecessors, (48), 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 18:41:07,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:41:07,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:41:07,696 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:41:07,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 30 states, 27 states have (on average 1.7777777777777777) internal successors, (48), 29 states have internal predecessors, (48), 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 18:41:07,712 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:41:07,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:41:07 BoogieIcfgContainer [2025-02-07 18:41:07,727 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:41:07,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:41:07,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:41:07,728 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:41:07,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:41:07" (3/4) ... [2025-02-07 18:41:07,730 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:41:07,736 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2025-02-07 18:41:07,736 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-07 18:41:07,736 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2025-02-07 18:41:07,737 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:41:07,802 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:41:07,802 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:41:07,803 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:41:07,803 INFO L158 Benchmark]: Toolchain (without parser) took 46431.20ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 63.4MB in the end (delta: 52.7MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:41:07,804 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:07,805 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.69ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 102.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:41:07,805 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.90ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:07,806 INFO L158 Benchmark]: Boogie Preprocessor took 49.71ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:07,807 INFO L158 Benchmark]: IcfgBuilder took 45904.96ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 77.6MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:41:07,807 INFO L158 Benchmark]: TraceAbstraction took 106.86ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 70.1MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:07,809 INFO L158 Benchmark]: Witness Printer took 74.76ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 63.4MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:41:07,810 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 83.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 244.69ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 102.0MB in the end (delta: 13.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.90ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 100.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 49.71ms. Allocated memory is still 142.6MB. Free memory was 100.2MB in the beginning and 97.5MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 45904.96ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 77.6MB in the end (delta: 20.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 106.86ms. Allocated memory is still 142.6MB. Free memory was 76.9MB in the beginning and 70.1MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.76ms. Allocated memory is still 142.6MB. Free memory was 69.9MB in the beginning and 63.4MB in the end (delta: 6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 156]: 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, 30 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=30occurred 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 18:41:08,021 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-02-07 18:41:08,101 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE