./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1271a.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_1271a.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 a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:49:11,767 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:49:11,807 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:49:11,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:49:11,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:49:11,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:49:11,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:49:11,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:49:11,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:49:11,824 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:49:11,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:49:11,824 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:49:11,824 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:49:11,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:49:11,824 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:49:11,824 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:49:11,824 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:49:11,825 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:11,825 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:49:11,825 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:49:11,826 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:49:11,826 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 -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2025-02-07 18:49:11,999 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:49:12,004 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:49:12,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:49:12,006 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:49:12,007 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:49:12,007 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-02-07 18:49:13,189 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89e34e8cf/8cf9afb1860a4d1f8e80ec51dc7c10a5/FLAGa0867df79 [2025-02-07 18:49:13,555 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:13,558 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-02-07 18:49:13,565 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89e34e8cf/8cf9afb1860a4d1f8e80ec51dc7c10a5/FLAGa0867df79 [2025-02-07 18:49:13,796 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/89e34e8cf/8cf9afb1860a4d1f8e80ec51dc7c10a5 [2025-02-07 18:49:13,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:13,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:13,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:13,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:13,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:13,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:13" (1/1) ... [2025-02-07 18:49:13,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c720075 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:13, skipping insertion in model container [2025-02-07 18:49:13,807 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:13" (1/1) ... [2025-02-07 18:49:13,822 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:13,971 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_1271a.c[4883,4896] [2025-02-07 18:49:13,975 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:13,982 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:14,008 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_1271a.c[4883,4896] [2025-02-07 18:49:14,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:14,018 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:14,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14 WrapperNode [2025-02-07 18:49:14,019 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:14,020 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:14,020 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:14,020 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:14,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,034 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,050 INFO L138 Inliner]: procedures = 19, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 291 [2025-02-07 18:49:14,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:14,051 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:14,051 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:14,051 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:14,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,062 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,080 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 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, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:49:14,081 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,097 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,098 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,101 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,104 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:14,105 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:14,105 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:14,105 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:14,106 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (1/1) ... [2025-02-07 18:49:14,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:14,118 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:14,134 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 18:49:14,136 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 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:49:14,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#14 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#15 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#16 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:49:14,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#14 [2025-02-07 18:49:14,154 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#15 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#16 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-07 18:49:14,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#14 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#15 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#16 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-07 18:49:14,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#14 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#15 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#16 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:14,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:49:14,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#14 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#15 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#16 [2025-02-07 18:49:14,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:14,159 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2025-02-07 18:49:14,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2025-02-07 18:49:14,303 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:14,305 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:14,543 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: main_#t~ret27#1 := __ieee754_hypotf_#res#1;havoc __ieee754_hypotf_#t~mem9#1, __ieee754_hypotf_~#gf_u~1#1.base, __ieee754_hypotf_~#gf_u~1#1.offset, __ieee754_hypotf_#t~mem10#1, __ieee754_hypotf_~#gf_u~2#1.base, __ieee754_hypotf_~#gf_u~2#1.offset, __ieee754_hypotf_#t~mem11#1, __ieee754_hypotf_~#sf_u~1#1.base, __ieee754_hypotf_~#sf_u~1#1.offset, __ieee754_hypotf_#t~mem12#1, __ieee754_hypotf_~#sf_u~2#1.base, __ieee754_hypotf_~#sf_u~2#1.offset, __ieee754_hypotf_#t~mem13#1, __ieee754_hypotf_~#sf_u~3#1.base, __ieee754_hypotf_~#sf_u~3#1.offset, __ieee754_hypotf_#t~mem14#1, __ieee754_hypotf_~#sf_u~4#1.base, __ieee754_hypotf_~#sf_u~4#1.offset, __ieee754_hypotf_#t~mem15#1, __ieee754_hypotf_~#sf_u~5#1.base, __ieee754_hypotf_~#sf_u~5#1.offset, __ieee754_hypotf_#t~mem16#1, __ieee754_hypotf_~#sf_u~6#1.base, __ieee754_hypotf_~#sf_u~6#1.offset, __ieee754_hypotf_#t~mem17#1, __ieee754_hypotf_~#sf_u~7#1.base, __ieee754_hypotf_~#sf_u~7#1.offset, __ieee754_hypotf_#t~mem18#1, __ieee754_hypotf_~#sf_u~8#1.base, __ieee754_hypotf_~#sf_u~8#1.offset, __ieee754_hypotf_#t~ret19#1, __ieee754_hypotf_#t~mem20#1, __ieee754_hypotf_~#sf_u~9#1.base, __ieee754_hypotf_~#sf_u~9#1.offset, __ieee754_hypotf_#t~mem21#1, __ieee754_hypotf_~#sf_u~10#1.base, __ieee754_hypotf_~#sf_u~10#1.offset, __ieee754_hypotf_#t~ret22#1, __ieee754_hypotf_#t~mem23#1, __ieee754_hypotf_~#sf_u~11#1.base, __ieee754_hypotf_~#sf_u~11#1.offset, __ieee754_hypotf_~x#1, __ieee754_hypotf_~y#1, __ieee754_hypotf_~a~0#1, __ieee754_hypotf_~b~0#1, __ieee754_hypotf_~t1~0#1, __ieee754_hypotf_~t2~0#1, __ieee754_hypotf_~y1~0#1, __ieee754_hypotf_~y2~0#1, __ieee754_hypotf_~w~0#1, __ieee754_hypotf_~j~0#1, __ieee754_hypotf_~k~0#1, __ieee754_hypotf_~ha~0#1, __ieee754_hypotf_~hb~0#1;havoc __ieee754_hypotf_#in~x#1, __ieee754_hypotf_#in~y#1;assume { :end_inline___ieee754_hypotf } true;main_~res~0#1 := main_#t~ret27#1;havoc main_#t~ret27#1;assume { :begin_inline_isnan_float } true;isnan_float_#in~x#1 := main_~res~0#1;havoc isnan_float_#res#1;havoc isnan_float_~x#1;isnan_float_~x#1 := isnan_float_#in~x#1;isnan_float_#res#1 := (if ~someBinaryFLOATComparisonOperation(isnan_float_~x#1, isnan_float_~x#1) then 1 else 0); [2025-02-07 18:49:14,543 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: assume 0 == main_#t~ret28#1;havoc main_#t~ret28#1; [2025-02-07 18:49:14,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: assume !(0 == main_#t~ret28#1);havoc main_#t~ret28#1;havoc main_~res~0#1; [2025-02-07 18:49:14,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-1: main_#t~ret28#1 := isnan_float_#res#1;havoc isnan_float_~x#1;havoc isnan_float_#in~x#1;assume { :end_inline_isnan_float } true;assume -2147483648 <= main_#t~ret28#1 && main_#t~ret28#1 <= 2147483647; [2025-02-07 18:49:14,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume false;main_#res#1 := 1; [2025-02-07 18:49:14,544 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume !false; [2025-02-07 18:49:14,559 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:14,559 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:14,573 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:14,573 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:14,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:14 BoogieIcfgContainer [2025-02-07 18:49:14,574 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:14,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:14,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:14,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:14,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:13" (1/3) ... [2025-02-07 18:49:14,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238b41be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:14, skipping insertion in model container [2025-02-07 18:49:14,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:14" (2/3) ... [2025-02-07 18:49:14,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@238b41be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:14, skipping insertion in model container [2025-02-07 18:49:14,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:14" (3/3) ... [2025-02-07 18:49:14,580 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2025-02-07 18:49:14,591 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:14,592 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1271a.c that has 2 procedures, 140 locations, 1 initial locations, 34 loop locations, and 17 error locations. [2025-02-07 18:49:14,628 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:14,635 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;@55eab5a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:14,636 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2025-02-07 18:49:14,640 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 119 states have (on average 1.773109243697479) internal successors, (211), 136 states have internal predecessors, (211), 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 18:49:14,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:49:14,644 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:49:14,644 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:49:14,645 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [__ieee754_sqrtfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE, __ieee754_sqrtfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 14 more)] === [2025-02-07 18:49:14,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:49:14,649 INFO L85 PathProgramCache]: Analyzing trace with hash 8186526, now seen corresponding path program 1 times [2025-02-07 18:49:14,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:49:14,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913231942] [2025-02-07 18:49:14,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:49:14,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:49:14,700 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:49:14,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:49:14,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:14,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:49:14,707 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:49:14,710 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:49:14,715 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:49:14,716 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:49:14,716 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:49:14,731 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:49:14,732 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:49:14,733 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONUNSUPPORTED_FEATURE (16 of 17 remaining) [2025-02-07 18:49:14,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtfErr0ASSERT_VIOLATIONUNSUPPORTED_FEATURE (15 of 17 remaining) [2025-02-07 18:49:14,735 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location __ieee754_sqrtfErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (14 of 17 remaining) [2025-02-07 18:49:14,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (13 of 17 remaining) [2025-02-07 18:49:14,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (12 of 17 remaining) [2025-02-07 18:49:14,736 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (11 of 17 remaining) [2025-02-07 18:49:14,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (10 of 17 remaining) [2025-02-07 18:49:14,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (9 of 17 remaining) [2025-02-07 18:49:14,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (8 of 17 remaining) [2025-02-07 18:49:14,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 17 remaining) [2025-02-07 18:49:14,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 17 remaining) [2025-02-07 18:49:14,737 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 17 remaining) [2025-02-07 18:49:14,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 17 remaining) [2025-02-07 18:49:14,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 17 remaining) [2025-02-07 18:49:14,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 17 remaining) [2025-02-07 18:49:14,738 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 17 remaining) [2025-02-07 18:49:14,739 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 17 remaining) [2025-02-07 18:49:14,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:49:14,742 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:49:14,755 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:14,759 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:14 BoogieIcfgContainer [2025-02-07 18:49:14,759 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:14,759 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:14,759 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:14,760 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:14,760 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:14" (3/4) ... [2025-02-07 18:49:14,762 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:49:14,762 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:14,763 INFO L158 Benchmark]: Toolchain (without parser) took 963.13ms. Allocated memory is still 167.8MB. Free memory was 134.4MB in the beginning and 72.5MB in the end (delta: 61.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:49:14,763 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:14,764 INFO L158 Benchmark]: CACSL2BoogieTranslator took 218.39ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 120.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:14,764 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.16ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:14,764 INFO L158 Benchmark]: Boogie Preprocessor took 53.04ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 114.1MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:14,766 INFO L158 Benchmark]: IcfgBuilder took 469.15ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 86.8MB in the end (delta: 27.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:49:14,766 INFO L158 Benchmark]: TraceAbstraction took 183.42ms. Allocated memory is still 167.8MB. Free memory was 86.4MB in the beginning and 72.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:14,766 INFO L158 Benchmark]: Witness Printer took 3.11ms. Allocated memory is still 167.8MB. Free memory is still 72.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:14,767 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 201.3MB. Free memory is still 125.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 218.39ms. Allocated memory is still 167.8MB. Free memory was 134.0MB in the beginning and 120.0MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.16ms. Allocated memory is still 167.8MB. Free memory was 120.0MB in the beginning and 117.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 53.04ms. Allocated memory is still 167.8MB. Free memory was 117.9MB in the beginning and 114.1MB in the end (delta: 3.8MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 469.15ms. Allocated memory is still 167.8MB. Free memory was 114.1MB in the beginning and 86.8MB in the end (delta: 27.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 183.42ms. Allocated memory is still 167.8MB. Free memory was 86.4MB in the beginning and 72.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.11ms. Allocated memory is still 167.8MB. Free memory is still 72.5MB. 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 - UnprovableResult [Line: 219]: 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 219, overapproximation of someBinaryArithmeticFLOAToperation at line 234. Possible FailurePath: [L14] static const float one_sqrt = 1.0, tiny_sqrt = 1.0e-30; [L234] float x = 0.0f / 0.0f; [L235] float y = __VERIFIER_nondet_float(); [L237] CALL isfinite_float(y) [L217] __int32_t ix; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L222] COND TRUE 0 VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] [L219] ieee_float_shape_type gf_u; VAL [one_sqrt=1, tiny_sqrt=1/1000000000000000000000000000000] - UnprovableResult [Line: 76]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 22]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 241]: 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: 203]: 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: 179]: 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: 194]: 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: 188]: 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: 152]: 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. - UnprovableResult [Line: 164]: 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: 142]: 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: 137]: 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: 115]: 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: 110]: 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: 94]: 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: 88]: 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, 140 locations, 17 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=140occurred 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 18:49:14,783 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_1271a.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 a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:49:16,768 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:49:16,880 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:49:16,890 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:49:16,893 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:49:16,927 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:49:16,933 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:49:16,933 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:49:16,933 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:49:16,933 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:49:16,934 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:49:16,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:49:16,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:49:16,934 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:49:16,935 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:16,935 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:49:16,935 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:49:16,936 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 -> a30f6768043f9b1bbb4a159ab9668e10bade1708373695265965e63885e716ba [2025-02-07 18:49:17,198 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:49:17,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:49:17,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:49:17,219 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:49:17,219 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:49:17,221 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-02-07 18:49:18,513 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ba2995ab/9ca63e8754a541c2934a51dacba07710/FLAGf7e7239d3 [2025-02-07 18:49:18,686 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:49:18,687 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1271a.c [2025-02-07 18:49:18,696 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ba2995ab/9ca63e8754a541c2934a51dacba07710/FLAGf7e7239d3 [2025-02-07 18:49:19,054 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/6ba2995ab/9ca63e8754a541c2934a51dacba07710 [2025-02-07 18:49:19,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:49:19,057 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:49:19,057 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:19,058 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:49:19,060 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:49:19,061 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,062 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2c7f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19, skipping insertion in model container [2025-02-07 18:49:19,062 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:49:19,196 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_1271a.c[4883,4896] [2025-02-07 18:49:19,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:19,207 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:49:19,243 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_1271a.c[4883,4896] [2025-02-07 18:49:19,244 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:49:19,255 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:49:19,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19 WrapperNode [2025-02-07 18:49:19,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:49:19,256 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:19,256 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:49:19,259 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:49:19,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,274 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,291 INFO L138 Inliner]: procedures = 22, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 262 [2025-02-07 18:49:19,292 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:49:19,292 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:49:19,292 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:49:19,292 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:49:19,298 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,303 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,326 INFO L175 MemorySlicer]: Split 34 memory accesses to 17 slices as follows [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2]. 6 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, 0, 0, 0, 0, 0, 0, 0, 0]. The 16 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:49:19,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,352 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,355 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:49:19,371 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:49:19,371 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:49:19,371 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:49:19,372 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (1/1) ... [2025-02-07 18:49:19,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:49:19,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:49:19,412 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 18:49:19,419 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 18:49:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#14 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#15 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#16 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:49:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#14 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#15 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#16 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2025-02-07 18:49:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#14 [2025-02-07 18:49:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#15 [2025-02-07 18:49:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#16 [2025-02-07 18:49:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:49:19,437 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:49:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:49:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:49:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:49:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:49:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:49:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:49:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2025-02-07 18:49:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2025-02-07 18:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#14 [2025-02-07 18:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#15 [2025-02-07 18:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#16 [2025-02-07 18:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:49:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:49:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#14 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#15 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#16 [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:49:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure __ieee754_sqrtf [2025-02-07 18:49:19,442 INFO L138 BoogieDeclarations]: Found implementation of procedure __ieee754_sqrtf [2025-02-07 18:49:19,600 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:49:19,602 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:49:21,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L238: main_#t~ret25#1 := __ieee754_hypotf_#res#1;havoc __ieee754_hypotf_#t~mem7#1, __ieee754_hypotf_~#gf_u~1#1.base, __ieee754_hypotf_~#gf_u~1#1.offset, __ieee754_hypotf_#t~mem8#1, __ieee754_hypotf_~#gf_u~2#1.base, __ieee754_hypotf_~#gf_u~2#1.offset, __ieee754_hypotf_#t~mem9#1, __ieee754_hypotf_~#sf_u~1#1.base, __ieee754_hypotf_~#sf_u~1#1.offset, __ieee754_hypotf_#t~mem10#1, __ieee754_hypotf_~#sf_u~2#1.base, __ieee754_hypotf_~#sf_u~2#1.offset, __ieee754_hypotf_#t~mem11#1, __ieee754_hypotf_~#sf_u~3#1.base, __ieee754_hypotf_~#sf_u~3#1.offset, __ieee754_hypotf_#t~mem12#1, __ieee754_hypotf_~#sf_u~4#1.base, __ieee754_hypotf_~#sf_u~4#1.offset, __ieee754_hypotf_#t~mem13#1, __ieee754_hypotf_~#sf_u~5#1.base, __ieee754_hypotf_~#sf_u~5#1.offset, __ieee754_hypotf_#t~mem14#1, __ieee754_hypotf_~#sf_u~6#1.base, __ieee754_hypotf_~#sf_u~6#1.offset, __ieee754_hypotf_#t~mem15#1, __ieee754_hypotf_~#sf_u~7#1.base, __ieee754_hypotf_~#sf_u~7#1.offset, __ieee754_hypotf_#t~mem16#1, __ieee754_hypotf_~#sf_u~8#1.base, __ieee754_hypotf_~#sf_u~8#1.offset, __ieee754_hypotf_#t~ret17#1, __ieee754_hypotf_#t~mem18#1, __ieee754_hypotf_~#sf_u~9#1.base, __ieee754_hypotf_~#sf_u~9#1.offset, __ieee754_hypotf_#t~mem19#1, __ieee754_hypotf_~#sf_u~10#1.base, __ieee754_hypotf_~#sf_u~10#1.offset, __ieee754_hypotf_#t~ret20#1, __ieee754_hypotf_#t~mem21#1, __ieee754_hypotf_~#sf_u~11#1.base, __ieee754_hypotf_~#sf_u~11#1.offset, __ieee754_hypotf_~x#1, __ieee754_hypotf_~y#1, __ieee754_hypotf_~a~0#1, __ieee754_hypotf_~b~0#1, __ieee754_hypotf_~t1~0#1, __ieee754_hypotf_~t2~0#1, __ieee754_hypotf_~y1~0#1, __ieee754_hypotf_~y2~0#1, __ieee754_hypotf_~w~0#1, __ieee754_hypotf_~j~0#1, __ieee754_hypotf_~k~0#1, __ieee754_hypotf_~ha~0#1, __ieee754_hypotf_~hb~0#1;havoc __ieee754_hypotf_#in~x#1, __ieee754_hypotf_#in~y#1;assume { :end_inline___ieee754_hypotf } true;main_~res~0#1 := main_#t~ret25#1;havoc main_#t~ret25#1;assume { :begin_inline_isnan_float } true;isnan_float_#in~x#1 := main_~res~0#1;havoc isnan_float_#res#1;havoc isnan_float_~x#1;isnan_float_~x#1 := isnan_float_#in~x#1;isnan_float_#res#1 := (if !~fp.eq~32(isnan_float_~x#1, isnan_float_~x#1) then 1bv32 else 0bv32); [2025-02-07 18:49:21,575 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: assume 0bv32 == main_#t~ret26#1;havoc main_#t~ret26#1; [2025-02-07 18:49:21,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240: assume !(0bv32 == main_#t~ret26#1);havoc main_#t~ret26#1;havoc main_~res~0#1; [2025-02-07 18:49:21,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L240-1: main_#t~ret26#1 := isnan_float_#res#1;havoc isnan_float_~x#1;havoc isnan_float_#in~x#1;assume { :end_inline_isnan_float } true; [2025-02-07 18:49:21,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume false;main_#res#1 := 1bv32; [2025-02-07 18:49:21,576 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L241: assume !false; [2025-02-07 18:49:21,588 INFO L? ?]: Removed 56 outVars from TransFormulas that were not future-live. [2025-02-07 18:49:21,588 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:49:21,594 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:49:21,595 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:49:21,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:21 BoogieIcfgContainer [2025-02-07 18:49:21,595 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:49:21,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:49:21,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:49:21,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:49:21,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:49:19" (1/3) ... [2025-02-07 18:49:21,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b26e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:21, skipping insertion in model container [2025-02-07 18:49:21,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:49:19" (2/3) ... [2025-02-07 18:49:21,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79b26e1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:49:21, skipping insertion in model container [2025-02-07 18:49:21,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:21" (3/3) ... [2025-02-07 18:49:21,601 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_1271a.c [2025-02-07 18:49:21,610 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:49:21,611 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_1271a.c that has 2 procedures, 83 locations, 1 initial locations, 18 loop locations, and 1 error locations. [2025-02-07 18:49:21,666 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:49:21,702 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;@6b98af07, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:49:21,702 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:49:21,704 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 78 states have (on average 1.705128205128205) internal successors, (133), 79 states have internal predecessors, (133), 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 18:49:21,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:49:21,710 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:49:21,712 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:49:21,717 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 83 states, 78 states have (on average 1.705128205128205) internal successors, (133), 79 states have internal predecessors, (133), 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 18:49:21,748 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:49:21,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:49:21 BoogieIcfgContainer [2025-02-07 18:49:21,754 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:49:21,754 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:49:21,754 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:49:21,755 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:49:21,755 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:49:21" (3/4) ... [2025-02-07 18:49:21,756 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:49:21,758 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure __ieee754_sqrtf [2025-02-07 18:49:21,762 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2025-02-07 18:49:21,762 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2025-02-07 18:49:21,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2025-02-07 18:49:21,763 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:49:21,817 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:49:21,817 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:49:21,817 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:49:21,818 INFO L158 Benchmark]: Toolchain (without parser) took 2761.53ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.3MB in the end (delta: 14.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:21,818 INFO L158 Benchmark]: CDTParser took 3.72ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:21,818 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.40ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:49:21,819 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.52ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:21,819 INFO L158 Benchmark]: Boogie Preprocessor took 78.39ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:21,819 INFO L158 Benchmark]: IcfgBuilder took 2223.82ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 42.1MB in the end (delta: 28.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-07 18:49:21,819 INFO L158 Benchmark]: TraceAbstraction took 157.28ms. Allocated memory is still 117.4MB. Free memory was 41.5MB in the beginning and 85.3MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:49:21,819 INFO L158 Benchmark]: Witness Printer took 62.96ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 77.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:49:21,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 3.72ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 61.8MB in the end (delta: 33.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.40ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 77.0MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.52ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 74.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 78.39ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 70.8MB in the end (delta: 4.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 2223.82ms. Allocated memory is still 117.4MB. Free memory was 70.8MB in the beginning and 42.1MB in the end (delta: 28.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 157.28ms. Allocated memory is still 117.4MB. Free memory was 41.5MB in the beginning and 85.3MB in the end (delta: -43.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.96ms. Allocated memory is still 117.4MB. Free memory was 85.3MB in the beginning and 77.3MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 241]: 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, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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=83occurred 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 18:49:21,842 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE