./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1210.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1210.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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:48:57,331 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:48:57,411 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:48:57,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:48:57,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:48:57,445 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:48:57,446 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:48:57,447 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:48:57,447 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:48:57,447 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:48:57,448 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:48:57,448 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:48:57,449 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:48:57,449 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:48:57,449 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:48:57,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:48:57,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:48:57,450 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:48:57,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:48:57,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:48:57,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:48:57,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:48:57,451 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:48:57,451 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:48:57,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:57,452 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:48:57,452 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:48:57,453 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:48:57,453 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 -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2025-02-07 18:48:57,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:48:57,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:48:57,738 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:48:57,740 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:48:57,740 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:48:57,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2025-02-07 18:48:59,049 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eed1c3b75/fb1be9adc0154f318f186c187d2a1a27/FLAGc619eb98e [2025-02-07 18:48:59,357 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:48:59,358 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2025-02-07 18:48:59,369 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eed1c3b75/fb1be9adc0154f318f186c187d2a1a27/FLAGc619eb98e [2025-02-07 18:48:59,604 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/eed1c3b75/fb1be9adc0154f318f186c187d2a1a27 [2025-02-07 18:48:59,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:48:59,608 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:48:59,609 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:59,609 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:48:59,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:48:59,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c0e58b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59, skipping insertion in model container [2025-02-07 18:48:59,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,628 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:48:59,794 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2025-02-07 18:48:59,797 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:59,808 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:48:59,836 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2025-02-07 18:48:59,837 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:59,854 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:48:59,855 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59 WrapperNode [2025-02-07 18:48:59,855 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:59,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:59,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:48:59,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:48:59,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,875 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,900 INFO L138 Inliner]: procedures = 16, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2025-02-07 18:48:59,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:59,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:48:59,903 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:48:59,903 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:48:59,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,914 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,938 INFO L175 MemorySlicer]: Split 22 memory accesses to 9 slices as follows [2, 2, 6, 2, 2, 2, 2, 2, 2]. 27 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 4, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:48:59,938 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,938 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,951 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,952 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,953 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,954 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,960 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:48:59,965 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:48:59,965 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:48:59,965 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:48:59,966 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (1/1) ... [2025-02-07 18:48:59,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:59,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:00,004 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 18:49:00,012 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 18:49:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:49:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:49:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:49:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:49:00,032 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:49:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:49:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:49:00,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:49:00,034 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2025-02-07 18:49:00,035 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:49:00,035 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:49:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:49:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:49:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:49:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-07 18:49:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:49:00,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:49:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:49:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:49:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:49:00,037 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:49:00,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:49:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:49:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:49:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-07 18:49:00,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:00,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:49:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:49:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:49:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:49:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:49:00,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:49:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:49:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:49:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 18:49:00,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:00,172 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:00,173 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: #t~ret20#1 := main_#res#1;havoc main_#t~ret15#1, main_#t~mem16#1, main_#t~ret17#1, main_#t~ret18#1, main_#t~short19#1, main_~x~0#1, main_~#iptr~0#1.base, main_~#iptr~0#1.offset, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57: havoc modf_float_~ix~1#1; [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87: assume main_#t~short19#1;havoc main_#t~mem16#1;havoc main_#t~ret17#1;havoc main_#t~ret18#1;havoc main_#t~short19#1; [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87: assume !main_#t~short19#1;havoc main_#t~mem16#1;havoc main_#t~ret17#1;havoc main_#t~ret18#1;havoc main_#t~short19#1;main_#res#1 := 0;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-1: assume -2147483648 <= main_#t~ret18#1 && main_#t~ret18#1 <= 2147483647;main_#t~short19#1 := 0 == main_#t~ret18#1; [2025-02-07 18:49:00,415 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L54: havoc modf_float_#t~mem12#1; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-2: SUMMARY for call main_#t~ret18#1 := isnan_float(main_~res~0#1); srcloc: null [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-3: assume main_#t~short19#1; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-3: assume !main_#t~short19#1; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L83: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-4: assume -2147483648 <= main_#t~ret17#1 && main_#t~ret17#1 <= 2147483647;main_#t~short19#1 := 0 != main_#t~ret17#1; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-5: SUMMARY for call main_#t~ret17#1 := isnan_float(main_#t~mem16#1); srcloc: null [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L34: havoc modf_float_~ix~0#1; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L88: assume false;main_#res#1 := 1;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L88: assume !false; [2025-02-07 18:49:00,416 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: main_#t~ret15#1 := modf_float_#res#1;havoc modf_float_#t~mem4#1, modf_float_~#gf_u~0#1.base, modf_float_~#gf_u~0#1.offset, modf_float_#t~mem5#1, modf_float_~#sf_u~0#1.base, modf_float_~#sf_u~0#1.offset, modf_float_#t~bitwise6#1, modf_float_#t~bitwise7#1, modf_float_#t~mem8#1, modf_float_~#gf_u~1#1.base, modf_float_~#gf_u~1#1.offset, modf_float_#t~mem9#1, modf_float_~#sf_u~1#1.base, modf_float_~#sf_u~1#1.offset, modf_float_~ix~0#1, modf_float_#t~bitwise10#1, modf_float_#t~mem11#1, modf_float_~#sf_u~2#1.base, modf_float_~#sf_u~2#1.offset, modf_float_#t~mem12#1, modf_float_#t~mem13#1, modf_float_~#gf_u~2#1.base, modf_float_~#gf_u~2#1.offset, modf_float_#t~mem14#1, modf_float_~#sf_u~3#1.base, modf_float_~#sf_u~3#1.offset, modf_float_~ix~1#1, modf_float_~x#1, modf_float_~iptr#1.base, modf_float_~iptr#1.offset, modf_float_~i0~0#1, modf_float_~j0~0#1, modf_float_~i~0#1;havoc modf_float_#in~x#1, modf_float_#in~iptr#1.base, modf_float_#in~iptr#1.offset;assume { :end_inline_modf_float } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;call main_#t~mem16#1 := read~real#2(main_~#iptr~0#1.base, main_~#iptr~0#1.offset, 4); [2025-02-07 18:49:00,424 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:00,424 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:00,443 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:00,443 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:00,443 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:00 BoogieIcfgContainer [2025-02-07 18:49:00,444 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:00,446 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:00,446 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:00,449 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:00,449 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:48:59" (1/3) ... [2025-02-07 18:49:00,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71475531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:00, skipping insertion in model container [2025-02-07 18:49:00,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:59" (2/3) ... [2025-02-07 18:49:00,450 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71475531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:00, skipping insertion in model container [2025-02-07 18:49:00,450 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:00" (3/3) ... [2025-02-07 18:49:00,451 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1210.c [2025-02-07 18:49:00,464 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:00,465 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1210.c that has 2 procedures, 59 locations, 1 initial locations, 14 loop locations, and 8 error locations. [2025-02-07 18:49:00,514 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:00,524 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;@1c738af3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:00,524 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-07 18:49:00,528 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 47 states have (on average 1.7659574468085106) internal successors, (83), 54 states have internal predecessors, (83), 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 18:49:00,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:49:00,533 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:49:00,533 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:49:00,534 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-02-07 18:49:00,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:49:00,538 INFO L85 PathProgramCache]: Analyzing trace with hash 4338526, now seen corresponding path program 1 times [2025-02-07 18:49:00,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:49:00,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1394121264] [2025-02-07 18:49:00,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:49:00,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:49:00,614 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:49:00,634 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:49:00,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:00,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:49:00,634 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:49:00,639 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:49:00,649 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:49:00,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:00,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:49:00,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:49:00,672 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:49:00,673 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-02-07 18:49:00,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-02-07 18:49:00,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-02-07 18:49:00,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-02-07 18:49:00,675 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-02-07 18:49:00,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-02-07 18:49:00,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-02-07 18:49:00,676 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-02-07 18:49:00,677 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:49:00,681 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:49:00,699 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:00,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:00 BoogieIcfgContainer [2025-02-07 18:49:00,703 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:00,703 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:00,703 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:00,704 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:00,705 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:00" (3/4) ... [2025-02-07 18:49:00,707 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:49:00,707 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:00,708 INFO L158 Benchmark]: Toolchain (without parser) took 1100.62ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 56.7MB in the end (delta: 48.5MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:49:00,709 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:00,709 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.60ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 93.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:00,709 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.57ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 91.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:00,709 INFO L158 Benchmark]: Boogie Preprocessor took 63.00ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:00,710 INFO L158 Benchmark]: IcfgBuilder took 478.68ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 70.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:00,710 INFO L158 Benchmark]: TraceAbstraction took 257.14ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 56.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:00,710 INFO L158 Benchmark]: Witness Printer took 4.17ms. Allocated memory is still 142.6MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:00,711 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 201.3MB. Free memory is still 126.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.60ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 93.5MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.57ms. Allocated memory is still 142.6MB. Free memory was 93.5MB in the beginning and 91.9MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.00ms. Allocated memory is still 142.6MB. Free memory was 91.9MB in the beginning and 89.4MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 478.68ms. Allocated memory is still 142.6MB. Free memory was 89.4MB in the beginning and 70.9MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 257.14ms. Allocated memory is still 142.6MB. Free memory was 70.1MB in the beginning and 56.7MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.17ms. Allocated memory is still 142.6MB. Free memory is still 56.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: overapproximation of union with floats in the HoenickeLindenmann_Original memory model at line 19, overapproximation of someBinaryArithmeticFLOAToperation at line 82. Possible FailurePath: [L13] static const float one_modf = 1.0; [L82] float x = 0.0f / 0.0f; [L83] float iptr; [L84] CALL modf_float(x, &iptr) [L16] __int32_t i0, j0; [L17] __uint32_t i; VAL [iptr={5:0}, one_modf=1, x=53] [L22] COND TRUE 0 VAL [one_modf=1] [L19] ieee_float_shape_type gf_u; VAL [iptr={5:0}, one_modf=1, x=53] - UnprovableResult [Line: 88]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 27]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 43]: 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: 38]: 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: 50]: 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: 66]: 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: 61]: 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, 59 locations, 8 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=55occurred 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 18:49:00,735 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1210.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 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:49:02,987 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:49:03,089 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:49:03,097 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:49:03,097 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:49:03,128 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:49:03,129 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:49:03,129 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:49:03,129 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:49:03,130 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:49:03,131 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:49:03,131 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:49:03,131 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:49:03,131 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:49:03,131 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:49:03,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:49:03,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:49:03,132 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:49:03,132 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:49:03,132 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:49:03,133 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:49:03,134 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:49:03,134 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:49:03,134 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:49:03,134 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:49:03,134 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:49:03,134 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:49:03,134 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:03,135 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:49:03,135 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:49:03,135 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:49:03,135 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:49:03,135 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:49:03,136 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:49:03,136 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:49:03,136 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:49:03,136 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:49:03,136 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:49:03,136 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 -> 72a09b82a82aabea0c4a084a3d99a9a83ff3f66f3965fc10414482ebb802703c [2025-02-07 18:49:03,451 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:49:03,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:49:03,463 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:49:03,464 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:49:03,464 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:49:03,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2025-02-07 18:49:04,759 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e60cc50e/e7f5419365b846a2ac977e70edfaf265/FLAG31d1c67ef [2025-02-07 18:49:04,955 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:04,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1210.c [2025-02-07 18:49:04,963 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e60cc50e/e7f5419365b846a2ac977e70edfaf265/FLAG31d1c67ef [2025-02-07 18:49:05,320 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/0e60cc50e/e7f5419365b846a2ac977e70edfaf265 [2025-02-07 18:49:05,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:05,323 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:05,325 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:05,325 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:05,329 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:05,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57dc454d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05, skipping insertion in model container [2025-02-07 18:49:05,330 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,344 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:05,505 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2025-02-07 18:49:05,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:05,527 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:05,548 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1210.c[2159,2172] [2025-02-07 18:49:05,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:05,577 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:05,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05 WrapperNode [2025-02-07 18:49:05,579 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:05,580 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:05,580 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:05,581 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:05,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,629 INFO L138 Inliner]: procedures = 19, calls = 48, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 146 [2025-02-07 18:49:05,629 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:05,633 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:05,633 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:05,633 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:05,640 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,641 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,646 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,662 INFO L175 MemorySlicer]: Split 22 memory accesses to 9 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 6]. 27 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0, 0]. The 11 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 4]. [2025-02-07 18:49:05,662 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,662 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,678 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:05,682 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:05,682 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:05,682 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:05,683 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (1/1) ... [2025-02-07 18:49:05,688 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:05,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:05,719 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 18:49:05,722 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 18:49:05,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:49:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:49:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:49:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:49:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:49:05,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:49:05,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:49:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:49:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:49:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:49:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 18:49:05,748 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_float [2025-02-07 18:49:05,749 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_float [2025-02-07 18:49:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:49:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:49:05,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:49:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:49:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:49:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:49:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:49:05,750 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:05,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:49:05,751 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:49:05,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:05,905 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:05,907 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:06,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L89: #t~ret17#1 := main_#res#1;havoc main_#t~ret12#1, main_#t~mem13#1, main_#t~ret14#1, main_#t~ret15#1, main_#t~short16#1, main_~x~0#1, main_~#iptr~0#1.base, main_~#iptr~0#1.offset, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87: assume main_#t~short16#1;havoc main_#t~mem13#1;havoc main_#t~ret14#1;havoc main_#t~ret15#1;havoc main_#t~short16#1; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87: assume !main_#t~short16#1;havoc main_#t~mem13#1;havoc main_#t~ret14#1;havoc main_#t~ret15#1;havoc main_#t~short16#1;main_#res#1 := 0bv32;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-1: main_#t~short16#1 := 0bv32 == main_#t~ret15#1; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L54: havoc modf_float_#t~mem9#1; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-2: SUMMARY for call main_#t~ret15#1 := isnan_float(main_~res~0#1); srcloc: null [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-3: assume main_#t~short16#1; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-3: assume !main_#t~short16#1; [2025-02-07 18:49:06,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L83: call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-4: main_#t~short16#1 := 0bv32 != main_#t~ret14#1; [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L87-5: SUMMARY for call main_#t~ret14#1 := isnan_float(main_#t~mem13#1); srcloc: null [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L34: havoc modf_float_~ix~0#1; [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L57: havoc modf_float_~ix~1#1; [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L88: assume false;main_#res#1 := 1bv32;call ULTIMATE.dealloc(main_~#iptr~0#1.base, main_~#iptr~0#1.offset);havoc main_~#iptr~0#1.base, main_~#iptr~0#1.offset; [2025-02-07 18:49:06,275 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L88: assume !false; [2025-02-07 18:49:06,276 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: main_#t~ret12#1 := modf_float_#res#1;havoc modf_float_#t~mem4#1, modf_float_~#gf_u~0#1.base, modf_float_~#gf_u~0#1.offset, modf_float_#t~mem5#1, modf_float_~#sf_u~0#1.base, modf_float_~#sf_u~0#1.offset, modf_float_#t~mem6#1, modf_float_~#gf_u~1#1.base, modf_float_~#gf_u~1#1.offset, modf_float_#t~mem7#1, modf_float_~#sf_u~1#1.base, modf_float_~#sf_u~1#1.offset, modf_float_~ix~0#1, modf_float_#t~mem8#1, modf_float_~#sf_u~2#1.base, modf_float_~#sf_u~2#1.offset, modf_float_#t~mem9#1, modf_float_#t~mem10#1, modf_float_~#gf_u~2#1.base, modf_float_~#gf_u~2#1.offset, modf_float_#t~mem11#1, modf_float_~#sf_u~3#1.base, modf_float_~#sf_u~3#1.offset, modf_float_~ix~1#1, modf_float_~x#1, modf_float_~iptr#1.base, modf_float_~iptr#1.offset, modf_float_~i0~0#1, modf_float_~j0~0#1, modf_float_~i~0#1;havoc modf_float_#in~x#1, modf_float_#in~iptr#1.base, modf_float_#in~iptr#1.offset;assume { :end_inline_modf_float } true;main_~res~0#1 := main_#t~ret12#1;havoc main_#t~ret12#1;call main_#t~mem13#1 := read~intFLOATTYPE4#8(main_~#iptr~0#1.base, main_~#iptr~0#1.offset, 4bv32); [2025-02-07 18:49:06,286 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:06,287 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:06,295 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:06,295 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:06,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:06 BoogieIcfgContainer [2025-02-07 18:49:06,296 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:06,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:06,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:06,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:06,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:05" (1/3) ... [2025-02-07 18:49:06,303 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65882a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:06, skipping insertion in model container [2025-02-07 18:49:06,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:05" (2/3) ... [2025-02-07 18:49:06,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65882a8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:06, skipping insertion in model container [2025-02-07 18:49:06,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:06" (3/3) ... [2025-02-07 18:49:06,305 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1210.c [2025-02-07 18:49:06,320 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:06,321 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1210.c that has 2 procedures, 28 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-02-07 18:49:06,371 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:06,380 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;@32973ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:06,380 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:49:06,384 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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 18:49:06,388 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:49:06,392 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:49:06,395 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:49:06,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 24 states, 23 states have (on average 1.7391304347826086) internal successors, (40), 23 states have internal predecessors, (40), 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 18:49:06,414 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:06,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:06 BoogieIcfgContainer [2025-02-07 18:49:06,424 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:06,425 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:06,425 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:06,425 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:06,425 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:06" (3/4) ... [2025-02-07 18:49:06,428 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:49:06,431 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure isnan_float [2025-02-07 18:49:06,435 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2025-02-07 18:49:06,435 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2025-02-07 18:49:06,437 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:49:06,437 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:49:06,513 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:49:06,514 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:49:06,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:06,515 INFO L158 Benchmark]: Toolchain (without parser) took 1191.42ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 43.9MB in the end (delta: 48.5MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2025-02-07 18:49:06,515 INFO L158 Benchmark]: CDTParser took 3.03ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 62.0MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:06,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.57ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.7MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:06,516 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.42ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:06,516 INFO L158 Benchmark]: Boogie Preprocessor took 48.60ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:06,516 INFO L158 Benchmark]: IcfgBuilder took 613.44ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 57.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:06,517 INFO L158 Benchmark]: TraceAbstraction took 126.46ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 50.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:06,517 INFO L158 Benchmark]: Witness Printer took 89.14ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 43.9MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:06,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.03ms. Allocated memory is still 83.9MB. Free memory was 62.0MB in the beginning and 62.0MB in the end (delta: 34.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.57ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.7MB in the end (delta: 12.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.42ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 78.2MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.60ms. Allocated memory is still 117.4MB. Free memory was 78.2MB in the beginning and 75.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 613.44ms. Allocated memory is still 117.4MB. Free memory was 75.7MB in the beginning and 57.8MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 126.46ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 50.1MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 89.14ms. Allocated memory is still 117.4MB. Free memory was 50.1MB in the beginning and 43.9MB in the end (delta: 6.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 88]: 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, 28 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=24occurred 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 18:49:06,538 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE