./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0834.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_0834.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 50ed40b69e81fb917053aec6552591dca3f64c8cb874eda039e4af9ce9424f97 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:46:37,740 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:46:37,814 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:46:37,822 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:46:37,822 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:46:37,849 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:46:37,850 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:46:37,850 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:46:37,850 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:46:37,851 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:46:37,851 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:46:37,851 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:46:37,852 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:46:37,852 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:46:37,852 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:46:37,853 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:46:37,853 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:46:37,853 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:46:37,853 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:46:37,853 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:46:37,853 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:46:37,853 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:46:37,854 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:46:37,854 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:46:37,855 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:46:37,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:37,855 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:46:37,855 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:46:37,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:46:37,856 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 -> 50ed40b69e81fb917053aec6552591dca3f64c8cb874eda039e4af9ce9424f97 [2025-02-07 18:46:38,148 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:46:38,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:46:38,158 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:46:38,159 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:46:38,159 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:46:38,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2025-02-07 18:46:39,500 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03061b6dc/ef242e26f4d04d2eaa34a035f47ec248/FLAG29c68ff9b [2025-02-07 18:46:39,800 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:46:39,807 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2025-02-07 18:46:39,818 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03061b6dc/ef242e26f4d04d2eaa34a035f47ec248/FLAG29c68ff9b [2025-02-07 18:46:39,839 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/03061b6dc/ef242e26f4d04d2eaa34a035f47ec248 [2025-02-07 18:46:39,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:46:39,844 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:46:39,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:39,847 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:46:39,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:46:39,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:39" (1/1) ... [2025-02-07 18:46:39,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41983aa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:39, skipping insertion in model container [2025-02-07 18:46:39,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:39" (1/1) ... [2025-02-07 18:46:39,871 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:46:40,048 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_0834.c[3447,3460] [2025-02-07 18:46:40,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:40,065 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:46:40,101 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_0834.c[3447,3460] [2025-02-07 18:46:40,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:40,125 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:46:40,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40 WrapperNode [2025-02-07 18:46:40,127 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:40,129 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:40,129 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:46:40,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:46:40,137 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,151 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,179 INFO L138 Inliner]: procedures = 19, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 190 [2025-02-07 18:46:40,179 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:40,180 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:46:40,180 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:46:40,180 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:46:40,188 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,189 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,192 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,216 INFO L175 MemorySlicer]: Split 25 memory accesses to 10 slices as follows [2, 3, 2, 4, 4, 2, 2, 2, 2, 2]. 16 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 2, 0, 2, 2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 0, 1, 0, 0, 1, 1, 1, 1, 1]. [2025-02-07 18:46:40,217 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,217 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,227 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,228 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,230 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,231 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,235 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:46:40,236 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:46:40,236 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:46:40,236 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:46:40,237 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (1/1) ... [2025-02-07 18:46:40,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:40,259 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:46:40,274 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 18:46:40,279 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 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:46:40,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:46:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 18:46:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-07 18:46:40,301 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:46:40,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:46:40,303 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:46:40,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-07 18:46:40,304 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-07 18:46:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:46:40,470 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:46:40,472 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:46:40,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: havoc __ieee754_expf_~hy~1#1; [2025-02-07 18:46:40,660 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume 0 == main_#t~ret16#1;havoc main_#t~ret16#1; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !(0 == main_#t~ret16#1);havoc main_#t~ret16#1;main_#res#1 := 0;#t~ret17#1 := main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: assume true; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: assume !true; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: assume false; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: assume !false; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume false;main_#res#1 := 1; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume !false; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: main_#t~ret15#1 := __ieee754_expf_#res#1;havoc __ieee754_expf_#t~mem4#1, __ieee754_expf_~#gf_u~0#1.base, __ieee754_expf_~#gf_u~0#1.offset, __ieee754_expf_#t~mem5#1, __ieee754_expf_#t~mem6#1, __ieee754_expf_#t~mem7#1, __ieee754_expf_#t~mem8#1, __ieee754_expf_#t~mem9#1, __ieee754_expf_#t~mem10#1, __ieee754_expf_~#gf_u~1#1.base, __ieee754_expf_~#gf_u~1#1.offset, __ieee754_expf_#t~mem11#1, __ieee754_expf_~#sf_u~0#1.base, __ieee754_expf_~#sf_u~0#1.offset, __ieee754_expf_~hy~0#1, __ieee754_expf_#t~mem12#1, __ieee754_expf_~#gf_u~2#1.base, __ieee754_expf_~#gf_u~2#1.offset, __ieee754_expf_#t~mem13#1, __ieee754_expf_~#sf_u~1#1.base, __ieee754_expf_~#sf_u~1#1.offset, __ieee754_expf_~hy~1#1, __ieee754_expf_~x#1, __ieee754_expf_~y~0#1, __ieee754_expf_~hi~0#1, __ieee754_expf_~lo~0#1, __ieee754_expf_~c~0#1, __ieee754_expf_~t~0#1, __ieee754_expf_~k~0#1, __ieee754_expf_~xsb~0#1, __ieee754_expf_~sx~0#1, __ieee754_expf_~hx~0#1;havoc __ieee754_expf_#in~x#1;assume { :end_inline___ieee754_expf } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_~res~0#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem14#1, isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, isinf_float_~x#1, isinf_float_~ix~0#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~0#1; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: isinf_float_~ix~0#1 := isinf_float_~ix~0#1 % 2147483648;isinf_float_#res#1 := (if 2139095040 == isinf_float_~ix~0#1 then 1 else 0);main_#t~ret16#1 := isinf_float_#res#1;havoc isinf_float_#t~mem14#1, isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, isinf_float_~x#1, isinf_float_~ix~0#1;havoc isinf_float_#in~x#1;assume { :end_inline_isinf_float } true;assume -2147483648 <= main_#t~ret16#1 && main_#t~ret16#1 <= 2147483647; [2025-02-07 18:46:40,661 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume true; [2025-02-07 18:46:40,662 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117: assume !true;call isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4);call write~real#8(isinf_float_~x#1, isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, 4);call isinf_float_#t~mem14#1 := read~int#8(isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, 4);isinf_float_~ix~0#1 := (if isinf_float_#t~mem14#1 % 4294967296 % 4294967296 <= 2147483647 then isinf_float_#t~mem14#1 % 4294967296 % 4294967296 else isinf_float_#t~mem14#1 % 4294967296 % 4294967296 - 4294967296);call ULTIMATE.dealloc(isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset);havoc isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset;havoc isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset;havoc isinf_float_#t~mem14#1; [2025-02-07 18:46:40,662 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117-1: assume false; [2025-02-07 18:46:40,662 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L117-1: assume !false; [2025-02-07 18:46:40,662 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: havoc __ieee754_expf_~hy~0#1; [2025-02-07 18:46:40,670 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-07 18:46:40,670 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:46:40,678 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:46:40,678 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:46:40,679 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:40 BoogieIcfgContainer [2025-02-07 18:46:40,679 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:46:40,681 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:46:40,682 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:46:40,685 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:46:40,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:46:39" (1/3) ... [2025-02-07 18:46:40,686 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495b37dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:40, skipping insertion in model container [2025-02-07 18:46:40,686 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:40" (2/3) ... [2025-02-07 18:46:40,687 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@495b37dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:40, skipping insertion in model container [2025-02-07 18:46:40,687 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:40" (3/3) ... [2025-02-07 18:46:40,688 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2025-02-07 18:46:40,699 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:46:40,700 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0834.c that has 1 procedures, 43 locations, 1 initial locations, 12 loop locations, and 7 error locations. [2025-02-07 18:46:40,760 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:46:40,773 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;@7db43dd0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:46:40,773 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-07 18:46:40,777 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 36 states have (on average 1.8333333333333333) internal successors, (66), 41 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:46:40,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:46:40,783 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:46:40,783 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:46:40,783 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 4 more)] === [2025-02-07 18:46:40,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:46:40,787 INFO L85 PathProgramCache]: Analyzing trace with hash 3753630, now seen corresponding path program 1 times [2025-02-07 18:46:40,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:46:40,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830997750] [2025-02-07 18:46:40,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:46:40,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:46:40,864 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:46:40,892 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:46:40,892 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:40,892 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:46:40,895 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:46:40,900 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:46:40,915 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:46:40,915 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:40,916 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:46:40,943 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:46:40,945 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:46:40,946 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-02-07 18:46:40,947 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2025-02-07 18:46:40,948 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-02-07 18:46:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 7 remaining) [2025-02-07 18:46:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-02-07 18:46:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-02-07 18:46:40,949 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 7 remaining) [2025-02-07 18:46:40,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:46:40,956 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:46:40,979 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:46:40,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:46:40 BoogieIcfgContainer [2025-02-07 18:46:40,985 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:46:40,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:46:40,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:46:40,986 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:46:40,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:40" (3/4) ... [2025-02-07 18:46:40,989 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:46:40,990 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:46:40,992 INFO L158 Benchmark]: Toolchain (without parser) took 1147.41ms. Allocated memory is still 167.8MB. Free memory was 130.3MB in the beginning and 80.3MB in the end (delta: 50.1MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:46:40,992 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:40,992 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.16ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 117.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:40,993 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.00ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 115.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:40,994 INFO L158 Benchmark]: Boogie Preprocessor took 54.86ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 112.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:40,994 INFO L158 Benchmark]: IcfgBuilder took 443.52ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 95.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:46:40,994 INFO L158 Benchmark]: TraceAbstraction took 303.49ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 80.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:46:40,996 INFO L158 Benchmark]: Witness Printer took 4.87ms. Allocated memory is still 167.8MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:40,998 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 201.3MB. Free memory is still 125.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.16ms. Allocated memory is still 167.8MB. Free memory was 129.9MB in the beginning and 117.3MB in the end (delta: 12.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.00ms. Allocated memory is still 167.8MB. Free memory was 117.3MB in the beginning and 115.5MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.86ms. Allocated memory is still 167.8MB. Free memory was 115.5MB in the beginning and 112.6MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 443.52ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 95.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 303.49ms. Allocated memory is still 167.8MB. Free memory was 94.6MB in the beginning and 80.3MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.87ms. Allocated memory is still 167.8MB. Free memory is still 80.3MB. 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: 44]: 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 44, overapproximation of someUnaryDOUBLEoperation at line 21, overapproximation of someBinaryArithmeticFLOAToperation at line 132. Possible FailurePath: [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L17-L36] static const float one_exp = 1.0, halF_exp[2] = { 0.5, -0.5, }, huge_exp = 1.0e+30, twom100_exp = 7.8886090522e-31, ln2HI_exp[2] = { 6.9313812256e-01, -6.9313812256e-01, }, ln2LO_exp[2] = { 9.0580006145e-06, -9.0580006145e-06, }, invln2_exp = 1.4426950216e+00, P1_exp = 1.6666667163e-01, P2_exp = -2.7777778450e-03, P3_exp = 6.6137559770e-05, P4_exp = -1.6533901999e-06, P5_exp = 4.1381369442e-08; [L132] float x = 1.0f / 0.0f; [L133] CALL __ieee754_expf(x) [L39] float y, hi, lo, c, t; [L40] __int32_t k = 0, xsb, sx; [L41] __uint32_t hx; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] [L47] COND TRUE 0 VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000] [L44] ieee_float_shape_type gf_u; VAL [P1_exp=16666667163/100000000000, P3_exp=6613755977/100000000000000, P5_exp=20690684721/500000000000000000, halF_exp={4:0}, huge_exp=1000000000000000000000000000000, invln2_exp=1803368777/1250000000, k=0, ln2HI_exp={5:0}, ln2LO_exp={6:0}, one_exp=1, twom100_exp=39443045261/50000000000000000000000000000000000000000, x=1000000000000000000000000000001] - UnprovableResult [Line: 137]: 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: 117]: 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: 92]: 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: 87]: 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: 105]: 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: 100]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 43 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42occurred 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 18:46:41,015 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_0834.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 50ed40b69e81fb917053aec6552591dca3f64c8cb874eda039e4af9ce9424f97 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:46:43,349 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:46:43,460 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:46:43,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:46:43,472 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:46:43,494 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:46:43,495 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:46:43,495 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:46:43,495 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:46:43,495 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:46:43,496 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:46:43,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:46:43,496 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:46:43,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:46:43,496 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:46:43,497 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:46:43,497 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:46:43,498 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:46:43,498 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:43,499 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:46:43,499 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:46:43,500 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:46:43,500 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:46:43,500 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:46:43,500 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:46:43,500 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 -> 50ed40b69e81fb917053aec6552591dca3f64c8cb874eda039e4af9ce9424f97 [2025-02-07 18:46:43,800 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:46:43,810 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:46:43,814 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:46:43,815 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:46:43,815 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:46:43,816 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2025-02-07 18:46:45,182 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24abec4e3/e180bcde1a844e9db27cd4d331c6df9b/FLAGd840b3cd8 [2025-02-07 18:46:45,427 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:46:45,429 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0834.c [2025-02-07 18:46:45,438 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24abec4e3/e180bcde1a844e9db27cd4d331c6df9b/FLAGd840b3cd8 [2025-02-07 18:46:45,460 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/24abec4e3/e180bcde1a844e9db27cd4d331c6df9b [2025-02-07 18:46:45,462 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:46:45,465 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:46:45,467 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:45,467 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:46:45,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:46:45,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,473 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5aa578 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45, skipping insertion in model container [2025-02-07 18:46:45,473 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:46:45,687 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_0834.c[3447,3460] [2025-02-07 18:46:45,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:45,705 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:46:45,754 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_0834.c[3447,3460] [2025-02-07 18:46:45,758 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:45,780 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:46:45,781 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45 WrapperNode [2025-02-07 18:46:45,781 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:45,782 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:45,782 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:46:45,783 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:46:45,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,804 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,838 INFO L138 Inliner]: procedures = 22, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 178 [2025-02-07 18:46:45,839 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:45,839 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:46:45,839 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:46:45,839 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:46:45,848 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,849 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,856 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,880 INFO L175 MemorySlicer]: Split 25 memory accesses to 10 slices as follows [2, 2, 3, 4, 2, 4, 2, 2, 2, 2]. 16 percent of accesses are in the largest equivalence class. The 8 initializations are split as follows [2, 0, 2, 2, 0, 2, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 0, 0, 1, 0, 1, 1, 1, 1]. [2025-02-07 18:46:45,880 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,880 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,905 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,913 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,918 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:46:45,926 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:46:45,926 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:46:45,926 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:46:45,927 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (1/1) ... [2025-02-07 18:46:45,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:45,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:46:45,966 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 18:46:45,974 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 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:46:45,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 18:46:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 18:46:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 18:46:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:46:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:46:45,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:46:45,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:46:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:46:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:46:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:46:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:46:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:46:45,997 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:46:45,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:46:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:46:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 18:46:45,999 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:46:46,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 18:46:46,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 18:46:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:46:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:46:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:46:46,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-07 18:46:46,002 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:46:46,145 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:46:46,147 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:47:03,407 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L97: havoc __ieee754_expf_~hy~1#1; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: assume true;call isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#1(isinf_float_~x#1, isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, 4bv32);call isinf_float_#t~mem14#1 := read~intINTTYPE4#1(isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, 4bv32);isinf_float_~ix~0#1 := isinf_float_#t~mem14#1;call ULTIMATE.dealloc(isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset);havoc isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset;havoc isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset;havoc isinf_float_#t~mem14#1; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116: assume !true; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: assume false; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L116-1: assume !false; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume false;main_#res#1 := 1bv32; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L137: assume !false; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: main_#t~ret15#1 := __ieee754_expf_#res#1;havoc __ieee754_expf_#t~mem4#1, __ieee754_expf_~#gf_u~0#1.base, __ieee754_expf_~#gf_u~0#1.offset, __ieee754_expf_#t~mem5#1, __ieee754_expf_#t~mem6#1, __ieee754_expf_#t~mem7#1, __ieee754_expf_#t~mem8#1, __ieee754_expf_#t~mem9#1, __ieee754_expf_#t~mem10#1, __ieee754_expf_~#gf_u~1#1.base, __ieee754_expf_~#gf_u~1#1.offset, __ieee754_expf_#t~mem11#1, __ieee754_expf_~#sf_u~0#1.base, __ieee754_expf_~#sf_u~0#1.offset, __ieee754_expf_~hy~0#1, __ieee754_expf_#t~mem12#1, __ieee754_expf_~#gf_u~2#1.base, __ieee754_expf_~#gf_u~2#1.offset, __ieee754_expf_#t~mem13#1, __ieee754_expf_~#sf_u~1#1.base, __ieee754_expf_~#sf_u~1#1.offset, __ieee754_expf_~hy~1#1, __ieee754_expf_~x#1, __ieee754_expf_~y~0#1, __ieee754_expf_~hi~0#1, __ieee754_expf_~lo~0#1, __ieee754_expf_~c~0#1, __ieee754_expf_~t~0#1, __ieee754_expf_~k~0#1, __ieee754_expf_~xsb~0#1, __ieee754_expf_~sx~0#1, __ieee754_expf_~hx~0#1;havoc __ieee754_expf_#in~x#1;assume { :end_inline___ieee754_expf } true;main_~res~0#1 := main_#t~ret15#1;havoc main_#t~ret15#1;assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_~res~0#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem14#1, isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, isinf_float_~x#1, isinf_float_~ix~0#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~0#1; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L121: isinf_float_~ix~0#1 := ~bvand~32(2147483647bv32, isinf_float_~ix~0#1);isinf_float_#res#1 := (if 2139095040bv32 == isinf_float_~ix~0#1 then 1bv32 else 0bv32);main_#t~ret16#1 := isinf_float_#res#1;havoc isinf_float_#t~mem14#1, isinf_float_~#gf_u~3#1.base, isinf_float_~#gf_u~3#1.offset, isinf_float_~x#1, isinf_float_~ix~0#1;havoc isinf_float_#in~x#1;assume { :end_inline_isinf_float } true; [2025-02-07 18:47:03,408 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L84: havoc __ieee754_expf_~hy~0#1; [2025-02-07 18:47:03,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume 0bv32 == main_#t~ret16#1;havoc main_#t~ret16#1; [2025-02-07 18:47:03,409 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L136: assume !(0bv32 == main_#t~ret16#1);havoc main_#t~ret16#1;main_#res#1 := 0bv32;#t~ret17#1 := main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:47:03,438 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-02-07 18:47:03,438 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:47:03,449 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:47:03,450 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:47:03,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:03 BoogieIcfgContainer [2025-02-07 18:47:03,451 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:47:03,454 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:47:03,454 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:47:03,458 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:47:03,458 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:46:45" (1/3) ... [2025-02-07 18:47:03,459 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eaa77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:47:03, skipping insertion in model container [2025-02-07 18:47:03,459 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:45" (2/3) ... [2025-02-07 18:47:03,460 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15eaa77f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:47:03, skipping insertion in model container [2025-02-07 18:47:03,460 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:03" (3/3) ... [2025-02-07 18:47:03,461 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0834.c [2025-02-07 18:47:03,474 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:47:03,476 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0834.c that has 1 procedures, 28 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-07 18:47:03,522 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:47:03,531 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;@58841402, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:47:03,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:47:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand has 27 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:47:03,539 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:47:03,542 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:47:03,546 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:47:03,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 27 states, 26 states have (on average 1.7692307692307692) internal successors, (46), 26 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:47:03,568 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:47:03,579 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:47:03 BoogieIcfgContainer [2025-02-07 18:47:03,579 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:47:03,580 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:47:03,580 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:47:03,580 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:47:03,581 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:03" (3/4) ... [2025-02-07 18:47:03,583 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:47:03,591 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-02-07 18:47:03,592 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-07 18:47:03,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:47:03,593 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:47:03,676 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:47:03,677 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:47:03,677 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:47:03,678 INFO L158 Benchmark]: Toolchain (without parser) took 18213.74ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 41.9MB in the end (delta: 17.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2025-02-07 18:47:03,679 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:03,679 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.38ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 45.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:47:03,679 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.27ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:03,679 INFO L158 Benchmark]: Boogie Preprocessor took 86.55ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 40.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:03,680 INFO L158 Benchmark]: IcfgBuilder took 17524.53ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 56.4MB in the end (delta: -15.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. [2025-02-07 18:47:03,680 INFO L158 Benchmark]: TraceAbstraction took 125.26ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 48.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:47:03,681 INFO L158 Benchmark]: Witness Printer took 96.96ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 41.9MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:03,682 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 83.9MB. Free memory was 62.2MB in the beginning and 62.2MB in the end (delta: 37.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.38ms. Allocated memory is still 83.9MB. Free memory was 59.2MB in the beginning and 45.8MB in the end (delta: 13.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.27ms. Allocated memory is still 83.9MB. Free memory was 45.8MB in the beginning and 43.9MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 86.55ms. Allocated memory is still 83.9MB. Free memory was 43.9MB in the beginning and 40.6MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 17524.53ms. Allocated memory is still 83.9MB. Free memory was 40.6MB in the beginning and 56.4MB in the end (delta: -15.8MB). Peak memory consumption was 29.3MB. Max. memory is 16.1GB. * TraceAbstraction took 125.26ms. Allocated memory is still 83.9MB. Free memory was 55.8MB in the beginning and 48.7MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 96.96ms. Allocated memory is still 83.9MB. Free memory was 48.7MB in the beginning and 41.9MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 137]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 28 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred 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 18:47:03,788 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE