./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/double_req_bl_0480.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_0480.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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:34:46,968 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:34:47,024 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:34:47,027 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:34:47,028 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:34:47,044 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:34:47,045 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:34:47,045 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:34:47,045 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:34:47,045 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:34:47,045 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:34:47,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:34:47,046 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:34:47,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:34:47,047 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:34:47,047 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:34:47,048 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:34:47,048 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:34:47,048 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 -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2025-02-07 18:34:47,262 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:34:47,271 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:34:47,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:34:47,274 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:34:47,274 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:34:47,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-02-07 18:34:48,357 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6ca7db6b/bdb3d7e2a8094826a079f38c64e3a2e1/FLAG0552faa25 [2025-02-07 18:34:48,546 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:34:48,547 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-02-07 18:34:48,555 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6ca7db6b/bdb3d7e2a8094826a079f38c64e3a2e1/FLAG0552faa25 [2025-02-07 18:34:48,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/f6ca7db6b/bdb3d7e2a8094826a079f38c64e3a2e1 [2025-02-07 18:34:48,910 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:34:48,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:34:48,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:34:48,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:34:48,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:34:48,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:34:48" (1/1) ... [2025-02-07 18:34:48,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75bb74c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:48, skipping insertion in model container [2025-02-07 18:34:48,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:34:48" (1/1) ... [2025-02-07 18:34:48,926 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:34:49,075 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_0480.c[5882,5895] [2025-02-07 18:34:49,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:34:49,083 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:34:49,128 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_0480.c[5882,5895] [2025-02-07 18:34:49,128 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:34:49,140 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:34:49,141 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49 WrapperNode [2025-02-07 18:34:49,141 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:34:49,142 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:34:49,142 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:34:49,142 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:34:49,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,155 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,171 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2025-02-07 18:34:49,174 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:34:49,175 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:34:49,175 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:34:49,175 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:34:49,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,184 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,195 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 3, 2, 2, 3, 3]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 1, 1, 1, 2, 2]. [2025-02-07 18:34:49,195 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,195 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,209 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,210 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:34:49,219 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:34:49,219 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:34:49,219 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:34:49,223 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (1/1) ... [2025-02-07 18:34:49,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:34:49,236 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:34:49,248 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 18:34:49,250 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 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:34:49,267 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:34:49,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2025-02-07 18:34:49,269 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:34:49,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:34:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:34:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:34:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:34:49,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:34:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:34:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:34:49,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:34:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:34:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:34:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:34:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:34:49,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:34:49,383 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:34:49,384 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:34:49,759 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L27-1: __signbit_double_#res#1 := (if 0 != (__signbit_double_~msw~0#1 - __signbit_double_~msw~0#1 % 2147483648) % 4294967296 then 1 else 0); [2025-02-07 18:34:49,759 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: assume !main_#t~short35#1;havoc main_#t~ret34#1;havoc main_#t~short35#1; [2025-02-07 18:34:49,759 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: assume !!main_#t~short35#1;havoc main_#t~ret34#1;havoc main_#t~short35#1;main_#res#1 := 0;#t~ret36#1 := main_#res#1;havoc main_#t~ret33#1, main_#t~ret34#1, main_#t~short35#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:34:49,759 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238-1: main_#t~ret34#1 := __signbit_double_#res#1;havoc __signbit_double_#t~mem4#1, __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;havoc __signbit_double_#in~x#1;assume { :end_inline___signbit_double } true;assume -2147483648 <= main_#t~ret34#1 && main_#t~ret34#1 <= 2147483647;main_#t~short35#1 := 0 == main_#t~ret34#1; [2025-02-07 18:34:49,759 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238-2: assume main_#t~short35#1;assume { :begin_inline___signbit_double } true;__signbit_double_#in~x#1 := main_~res~0#1;havoc __signbit_double_#res#1;havoc __signbit_double_#t~mem4#1, __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;__signbit_double_~x#1 := __signbit_double_#in~x#1;havoc __signbit_double_~msw~0#1; [2025-02-07 18:34:49,759 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238-2: assume !main_#t~short35#1; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: assume false;main_#res#1 := 1; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: assume !false; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: main_#t~ret33#1 := __ieee754_acos_#res#1;havoc __ieee754_acos_#t~mem27#1, __ieee754_acos_~#gh_u~1#1.base, __ieee754_acos_~#gh_u~1#1.offset, __ieee754_acos_#t~mem28#1, __ieee754_acos_~#gl_u~0#1.base, __ieee754_acos_~#gl_u~0#1.offset, __ieee754_acos_#t~bitwise29#1, __ieee754_acos_~lx~0#1, __ieee754_acos_#t~ret30#1, __ieee754_acos_#t~ret31#1, __ieee754_acos_#t~mem32#1, __ieee754_acos_~#sl_u~0#1.base, __ieee754_acos_~#sl_u~0#1.offset, __ieee754_acos_~x#1, __ieee754_acos_~z~1#1, __ieee754_acos_~p~0#1, __ieee754_acos_~q~1#1, __ieee754_acos_~r~1#1, __ieee754_acos_~w~0#1, __ieee754_acos_~s~0#1, __ieee754_acos_~c~0#1, __ieee754_acos_~df~0#1, __ieee754_acos_~hx~0#1, __ieee754_acos_~ix~0#1;havoc __ieee754_acos_#in~x#1;assume { :end_inline___ieee754_acos } true;main_~res~0#1 := main_#t~ret33#1;havoc main_#t~ret33#1;main_#t~short35#1 := ~someBinaryDOUBLEComparisonOperation(main_~res~0#1, 0.0); [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume true; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !true; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume !false; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc __ieee754_acos_~lx~0#1; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: assume true; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L22: assume !true;call __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset := #Ultimate.allocOnStack(8);call write~real#1(__signbit_double_~x#1, __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset, 8);call __signbit_double_#t~mem4#1 := read~int#1(__signbit_double_~#gh_u~0#1.base, 4 + __signbit_double_~#gh_u~0#1.offset, 4);__signbit_double_~msw~0#1 := __signbit_double_#t~mem4#1;call ULTIMATE.dealloc(__signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset);havoc __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset;havoc __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset;havoc __signbit_double_#t~mem4#1; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L22-1: assume false; [2025-02-07 18:34:49,760 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L22-1: assume !false; [2025-02-07 18:34:49,781 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2025-02-07 18:34:49,781 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:34:49,806 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:34:49,807 INFO L337 CfgBuilder]: Removed 2 assume(true) statements. [2025-02-07 18:34:49,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:34:49 BoogieIcfgContainer [2025-02-07 18:34:49,808 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:34:49,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:34:49,810 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:34:49,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:34:49,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:34:48" (1/3) ... [2025-02-07 18:34:49,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5462db49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:34:49, skipping insertion in model container [2025-02-07 18:34:49,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:49" (2/3) ... [2025-02-07 18:34:49,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5462db49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:34:49, skipping insertion in model container [2025-02-07 18:34:49,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:34:49" (3/3) ... [2025-02-07 18:34:49,816 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2025-02-07 18:34:49,826 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:34:49,827 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0480.c that has 2 procedures, 138 locations, 1 initial locations, 16 loop locations, and 7 error locations. [2025-02-07 18:34:49,864 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:34:49,871 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;@3a0550d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:34:49,871 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-07 18:34:49,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 137 states, 128 states have (on average 1.640625) internal successors, (210), 133 states have internal predecessors, (210), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 18:34:49,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:34:49,876 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:34:49,877 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:34:49,877 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__ieee754_sqrtErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __ieee754_sqrtErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 4 more)] === [2025-02-07 18:34:49,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:34:49,880 INFO L85 PathProgramCache]: Analyzing trace with hash 9048478, now seen corresponding path program 1 times [2025-02-07 18:34:49,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:34:49,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299165292] [2025-02-07 18:34:49,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:34:49,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:34:49,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:34:49,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:34:49,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:34:49,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:34:49,940 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:34:49,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:34:49,955 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:34:49,955 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:34:49,955 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:34:49,968 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:34:49,970 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:34:49,970 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-02-07 18:34:49,971 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 7 remaining) [2025-02-07 18:34:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-02-07 18:34:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2025-02-07 18:34:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-02-07 18:34:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-02-07 18:34:49,972 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 7 remaining) [2025-02-07 18:34:49,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:34:49,976 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:34:49,986 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:34:49,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:34:49 BoogieIcfgContainer [2025-02-07 18:34:49,988 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:34:49,988 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:34:49,988 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:34:49,989 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:34:49,989 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:34:49" (3/4) ... [2025-02-07 18:34:49,991 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:34:49,991 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:34:49,992 INFO L158 Benchmark]: Toolchain (without parser) took 1080.95ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 47.8MB in the end (delta: 75.1MB). Peak memory consumption was 75.5MB. Max. memory is 16.1GB. [2025-02-07 18:34:49,992 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:34:49,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.79ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 107.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:34:49,992 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.49ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:34:49,992 INFO L158 Benchmark]: Boogie Preprocessor took 44.04ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:34:49,993 INFO L158 Benchmark]: IcfgBuilder took 588.34ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 64.5MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:34:49,993 INFO L158 Benchmark]: TraceAbstraction took 178.80ms. Allocated memory is still 167.8MB. Free memory was 63.4MB in the beginning and 47.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:34:49,993 INFO L158 Benchmark]: Witness Printer took 2.72ms. Allocated memory is still 167.8MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:34:49,996 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 201.3MB. Free memory is still 116.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.79ms. Allocated memory is still 167.8MB. Free memory was 122.8MB in the beginning and 107.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.49ms. Allocated memory is still 167.8MB. Free memory was 107.5MB in the beginning and 105.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.04ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 102.3MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 588.34ms. Allocated memory is still 167.8MB. Free memory was 102.3MB in the beginning and 64.5MB in the end (delta: 37.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 178.80ms. Allocated memory is still 167.8MB. Free memory was 63.4MB in the beginning and 47.8MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.72ms. Allocated memory is still 167.8MB. Free memory is still 47.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 161]: 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 161, overapproximation of someUnaryDOUBLEoperation at line 147. Possible FailurePath: [L30] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L142-L155] static const double one_acos = 1.00000000000000000000e+00, pi = 3.14159265358979311600e+00, pio2_hi_acos = 1.57079632679489655800e+00, pio2_lo_acos = 6.12323399573676603587e-17, pS0_acos = 1.66666666666666657415e-01, pS1_acos = -3.25565818622400915405e-01, pS2_acos = 2.01212532134862925881e-01, pS3_acos = -4.00555345006794114027e-02, pS4_acos = 7.91534994289814532176e-04, pS5_acos = 3.47933107596021167570e-05, qS1_acos = -2.40339491173441421878e+00, qS2_acos = 2.02094576023350569471e+00, qS3_acos = -6.88283971605453293030e-01, qS4_acos = 7.70381505559019352791e-02; [L234] double x = 1.0; [L235] CALL __ieee754_acos(x) [L158] double z, p, q, r, w, s, c, df; [L159] __int32_t hx, ix; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L164] COND TRUE 0 VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] [L161] ieee_double_shape_type gh_u; VAL [one_acos=1, one_sqrt=1, pS0_acos=33333333333333331483/200000000000000000000, pS2_acos=201212532134862925881/1000000000000000000000, pS4_acos=49470937143113408261/62500000000000000000000, pS5_acos=34793310759602116757/1000000000000000000000000, pi=785398163397448279/250000000000000000, pio2_hi_acos=785398163397448279/500000000000000000, pio2_lo_acos=612323399573676603587/10000000000000000000000000000000000000, qS2_acos=202094576023350569471/100000000000000000000, qS4_acos=770381505559019352791/10000000000000000000000, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000] - UnprovableResult [Line: 134]: 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: 39]: 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: 239]: 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: 22]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 210]: 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: 169]: 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 2 procedures, 138 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=137occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2025-02-07 18:34:50,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/double_req_bl_0480.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 f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:34:51,799 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:34:51,883 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:34:51,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:34:51,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:34:51,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:34:51,913 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:34:51,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:34:51,913 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:34:51,914 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:34:51,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:34:51,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:34:51,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:34:51,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:34:51,915 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:34:51,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:34:51,915 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:34:51,915 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:34:51,915 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:34:51,915 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:34:51,916 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:34:51,916 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:34:51,917 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:34:51,917 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:34:51,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:34:51,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:34:51,917 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:34:51,918 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:34:51,918 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 -> f90b1d640a2990a6a85e9cd8b829ad481f01a2281537af5797be61836c0e0f27 [2025-02-07 18:34:52,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:34:52,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:34:52,171 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:34:52,172 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:34:52,172 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:34:52,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-02-07 18:34:53,356 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/848913c92/c7cbe02f96fe4fdcb2b3f51f41688df7/FLAG156013cfb [2025-02-07 18:34:53,523 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:34:53,523 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/double_req_bl_0480.c [2025-02-07 18:34:53,531 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/848913c92/c7cbe02f96fe4fdcb2b3f51f41688df7/FLAG156013cfb [2025-02-07 18:34:53,547 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/848913c92/c7cbe02f96fe4fdcb2b3f51f41688df7 [2025-02-07 18:34:53,549 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:34:53,550 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:34:53,551 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:34:53,551 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:34:53,554 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:34:53,555 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,556 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4216efd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53, skipping insertion in model container [2025-02-07 18:34:53,557 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,570 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:34:53,729 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_0480.c[5882,5895] [2025-02-07 18:34:53,738 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:34:53,748 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:34:53,783 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_0480.c[5882,5895] [2025-02-07 18:34:53,784 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:34:53,800 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:34:53,801 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53 WrapperNode [2025-02-07 18:34:53,802 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:34:53,803 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:34:53,803 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:34:53,803 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:34:53,808 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,845 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 149 [2025-02-07 18:34:53,847 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:34:53,848 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:34:53,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:34:53,848 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:34:53,854 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,859 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,881 INFO L175 MemorySlicer]: Split 17 memory accesses to 7 slices as follows [2, 2, 3, 2, 2, 3, 3]. 18 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0]. The 8 writes are split as follows [0, 1, 2, 1, 1, 1, 2]. [2025-02-07 18:34:53,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,903 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,907 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,910 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:34:53,922 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:34:53,922 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:34:53,922 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:34:53,923 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (1/1) ... [2025-02-07 18:34:53,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:34:53,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:34:53,949 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 18:34:53,954 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 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#5 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#6 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#5 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#6 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:34:53,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrt [2025-02-07 18:34:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrt [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:34:53,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:34:53,970 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:34:54,056 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:34:54,057 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L27-1: __signbit_double_#res#1 := (if 0bv32 != ~bvand~32(2147483648bv32, __signbit_double_~msw~0#1) then 1bv32 else 0bv32); [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume true;call __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset := #Ultimate.allocOnStack(8bv32);call write~intFLOATTYPE8#3(__signbit_double_~x#1, __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset, 8bv32);call __signbit_double_#t~mem4#1 := read~intINTTYPE4#3(__signbit_double_~#gh_u~0#1.base, ~bvadd~32(4bv32, __signbit_double_~#gh_u~0#1.offset), 4bv32);__signbit_double_~msw~0#1 := __signbit_double_#t~mem4#1;call ULTIMATE.dealloc(__signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset);havoc __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset;havoc __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset;havoc __signbit_double_#t~mem4#1; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21: assume !true; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume false; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L21-1: assume !false; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: assume !main_#t~short16#1;havoc main_#t~ret15#1;havoc main_#t~short16#1; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: assume !!main_#t~short16#1;havoc main_#t~ret15#1;havoc main_#t~short16#1;main_#res#1 := 0bv32;#t~ret17#1 := main_#res#1;havoc main_#t~ret14#1, main_#t~ret15#1, main_#t~short16#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238-1: main_#t~ret15#1 := __signbit_double_#res#1;havoc __signbit_double_#t~mem4#1, __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;havoc __signbit_double_#in~x#1;assume { :end_inline___signbit_double } true;main_#t~short16#1 := 0bv32 == main_#t~ret15#1; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238-2: assume main_#t~short16#1;assume { :begin_inline___signbit_double } true;__signbit_double_#in~x#1 := main_~res~0#1;havoc __signbit_double_#res#1;havoc __signbit_double_#t~mem4#1, __signbit_double_~#gh_u~0#1.base, __signbit_double_~#gh_u~0#1.offset, __signbit_double_~x#1, __signbit_double_~msw~0#1;__signbit_double_~x#1 := __signbit_double_#in~x#1;havoc __signbit_double_~msw~0#1; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238-2: assume !main_#t~short16#1; [2025-02-07 18:35:20,852 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L166: havoc __ieee754_acos_~lx~0#1; [2025-02-07 18:35:20,853 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:35:20,853 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: assume false;main_#res#1 := 1bv32; [2025-02-07 18:35:20,853 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L239: assume !false; [2025-02-07 18:35:20,853 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L235: main_#t~ret14#1 := __ieee754_acos_#res#1;havoc __ieee754_acos_#t~mem9#1, __ieee754_acos_~#gh_u~1#1.base, __ieee754_acos_~#gh_u~1#1.offset, __ieee754_acos_#t~mem10#1, __ieee754_acos_~#gl_u~0#1.base, __ieee754_acos_~#gl_u~0#1.offset, __ieee754_acos_~lx~0#1, __ieee754_acos_#t~ret11#1, __ieee754_acos_#t~ret12#1, __ieee754_acos_#t~mem13#1, __ieee754_acos_~#sl_u~0#1.base, __ieee754_acos_~#sl_u~0#1.offset, __ieee754_acos_~x#1, __ieee754_acos_~z~1#1, __ieee754_acos_~p~0#1, __ieee754_acos_~q~1#1, __ieee754_acos_~r~1#1, __ieee754_acos_~w~0#1, __ieee754_acos_~s~0#1, __ieee754_acos_~c~0#1, __ieee754_acos_~df~0#1, __ieee754_acos_~hx~0#1, __ieee754_acos_~ix~0#1;havoc __ieee754_acos_#in~x#1;assume { :end_inline___ieee754_acos } true;main_~res~0#1 := main_#t~ret14#1;havoc main_#t~ret14#1;main_#t~short16#1 := ~fp.eq~64(main_~res~0#1, ~Pluszero~64()); [2025-02-07 18:35:20,865 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2025-02-07 18:35:20,865 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:35:20,871 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:35:20,871 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:35:20,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:35:20 BoogieIcfgContainer [2025-02-07 18:35:20,872 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:35:20,873 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:35:20,873 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:35:20,876 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:35:20,876 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:34:53" (1/3) ... [2025-02-07 18:35:20,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209b6697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:35:20, skipping insertion in model container [2025-02-07 18:35:20,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:34:53" (2/3) ... [2025-02-07 18:35:20,877 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@209b6697 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:35:20, skipping insertion in model container [2025-02-07 18:35:20,877 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:35:20" (3/3) ... [2025-02-07 18:35:20,878 INFO L128 eAbstractionObserver]: Analyzing ICFG double_req_bl_0480.c [2025-02-07 18:35:20,887 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:35:20,888 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG double_req_bl_0480.c that has 2 procedures, 59 locations, 1 initial locations, 10 loop locations, and 1 error locations. [2025-02-07 18:35:20,919 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:35:20,926 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;@31391b3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:35:20,927 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:35:20,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 54 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 18:35:20,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:35:20,936 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:35:20,938 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:35:20,942 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 58 states, 54 states have (on average 1.6666666666666667) internal successors, (90), 54 states have internal predecessors, (90), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-07 18:35:20,963 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:35:20,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:35:20 BoogieIcfgContainer [2025-02-07 18:35:20,969 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:35:20,969 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:35:20,969 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:35:20,969 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:35:20,970 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:35:20" (3/4) ... [2025-02-07 18:35:20,971 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:35:20,973 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrt [2025-02-07 18:35:20,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2025-02-07 18:35:20,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-07 18:35:20,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 18:35:20,979 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:35:21,051 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:35:21,052 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:35:21,052 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:35:21,052 INFO L158 Benchmark]: Toolchain (without parser) took 27502.52ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 22.8MB in the end (delta: 34.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2025-02-07 18:35:21,053 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:21,053 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.24ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 41.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:35:21,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.51ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 39.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:21,054 INFO L158 Benchmark]: Boogie Preprocessor took 73.59ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 36.1MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:21,054 INFO L158 Benchmark]: IcfgBuilder took 26949.82ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 39.0MB in the end (delta: -3.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2025-02-07 18:35:21,054 INFO L158 Benchmark]: TraceAbstraction took 95.35ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 30.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:35:21,055 INFO L158 Benchmark]: Witness Printer took 82.67ms. Allocated memory is still 83.9MB. Free memory was 30.2MB in the beginning and 22.8MB in the end (delta: 7.5MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:35:21,056 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 54.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.24ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 41.6MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.51ms. Allocated memory is still 83.9MB. Free memory was 41.6MB in the beginning and 39.8MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 73.59ms. Allocated memory is still 83.9MB. Free memory was 39.8MB in the beginning and 36.1MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 26949.82ms. Allocated memory is still 83.9MB. Free memory was 35.9MB in the beginning and 39.0MB in the end (delta: -3.1MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. * TraceAbstraction took 95.35ms. Allocated memory is still 83.9MB. Free memory was 38.2MB in the beginning and 30.2MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 82.67ms. Allocated memory is still 83.9MB. Free memory was 30.2MB in the beginning and 22.8MB in the end (delta: 7.5MB). 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: 239]: 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 2 procedures, 59 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=58occurred 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 18:35:21,279 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 18:35:21,406 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