./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0833.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_0833.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 b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:46:32,258 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:46:32,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:46:32,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:46:32,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:46:32,329 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:46:32,330 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:46:32,330 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:46:32,330 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:46:32,330 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:46:32,330 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:46:32,330 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:46:32,331 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:46:32,331 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:46:32,332 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:46:32,332 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:46:32,332 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:46:32,332 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:46:32,333 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:46:32,333 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:32,334 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:46:32,334 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:46:32,334 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 -> b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 [2025-02-07 18:46:32,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:46:32,569 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:46:32,571 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:46:32,572 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:46:32,572 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:46:32,573 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2025-02-07 18:46:33,689 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83354a085/bf793c1a4df7429fba58a196a4851aae/FLAGd07046f62 [2025-02-07 18:46:33,897 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:46:33,898 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2025-02-07 18:46:33,908 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83354a085/bf793c1a4df7429fba58a196a4851aae/FLAGd07046f62 [2025-02-07 18:46:33,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/83354a085/bf793c1a4df7429fba58a196a4851aae [2025-02-07 18:46:33,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:46:33,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:46:33,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:33,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:46:33,956 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:46:33,957 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:33" (1/1) ... [2025-02-07 18:46:33,958 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@122d8861 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:33, skipping insertion in model container [2025-02-07 18:46:33,958 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:33" (1/1) ... [2025-02-07 18:46:33,973 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:46:34,115 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_0833.c[3348,3361] [2025-02-07 18:46:34,118 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:34,127 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:46:34,156 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_0833.c[3348,3361] [2025-02-07 18:46:34,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:34,177 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:46:34,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34 WrapperNode [2025-02-07 18:46:34,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:34,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:34,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:46:34,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:46:34,184 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,190 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,211 INFO L138 Inliner]: procedures = 18, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 194 [2025-02-07 18:46:34,211 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:34,212 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:46:34,212 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:46:34,212 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:46:34,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,220 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,238 INFO L175 MemorySlicer]: Split 25 memory accesses to 10 slices as follows [2, 2, 3, 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, 0, 2, 2, 2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1, 1]. [2025-02-07 18:46:34,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,239 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,251 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,252 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,253 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,257 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:46:34,257 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:46:34,258 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:46:34,258 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:46:34,259 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (1/1) ... [2025-02-07 18:46:34,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:34,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:46:34,288 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 18:46:34,291 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 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:46:34,306 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:46:34,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:46:34,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2025-02-07 18:46:34,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:46:34,429 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:46:34,431 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:46:34,609 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume true; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114: assume !true;call __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4);call write~real#1(__signbit_float_~x#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4);call __signbit_float_#t~mem14#1 := read~int#1(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4);__signbit_float_~w~0#1 := __signbit_float_#t~mem14#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset);havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_#t~mem14#1; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-1: assume false; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L114-1: assume !false; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L81: havoc __ieee754_expf_~hy~0#1; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L94: havoc __ieee754_expf_~hy~1#1; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119-1: __signbit_float_#res#1 := (if 0 != (__signbit_float_~w~0#1 - __signbit_float_~w~0#1 % 2147483648) % 4294967296 then 1 else 0); [2025-02-07 18:46:34,610 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume !main_#t~short17#1;havoc main_#t~ret16#1;havoc main_#t~short17#1; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume !!main_#t~short17#1;havoc main_#t~ret16#1;havoc main_#t~short17#1;main_#res#1 := 0;#t~ret18#1 := main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_#t~short17#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: main_#t~ret16#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem14#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;assume -2147483648 <= main_#t~ret16#1 && main_#t~ret16#1 <= 2147483647;main_#t~short17#1 := 0 == main_#t~ret16#1; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-2: assume main_#t~short17#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem14#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~0#1; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-2: assume !main_#t~short17#1; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: assume false;main_#res#1 := 1; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: assume !false; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: 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;main_#t~short17#1 := ~someBinaryFLOATComparisonOperation(main_~res~0#1, 0.0); [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: assume true; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: assume !true; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: assume false; [2025-02-07 18:46:34,611 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: assume !false; [2025-02-07 18:46:34,618 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2025-02-07 18:46:34,618 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:46:34,624 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:46:34,624 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:46:34,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:34 BoogieIcfgContainer [2025-02-07 18:46:34,625 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:46:34,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:46:34,626 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:46:34,629 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:46:34,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:46:33" (1/3) ... [2025-02-07 18:46:34,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fe27da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:34, skipping insertion in model container [2025-02-07 18:46:34,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:34" (2/3) ... [2025-02-07 18:46:34,630 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72fe27da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:34, skipping insertion in model container [2025-02-07 18:46:34,630 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:34" (3/3) ... [2025-02-07 18:46:34,631 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2025-02-07 18:46:34,640 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:46:34,642 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0833.c that has 1 procedures, 43 locations, 1 initial locations, 12 loop locations, and 7 error locations. [2025-02-07 18:46:34,682 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:46:34,689 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;@4217935, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:46:34,689 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-02-07 18:46:34,693 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 18:46:34,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:46:34,696 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:46:34,697 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:46:34,697 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 18:46:34,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:46:34,701 INFO L85 PathProgramCache]: Analyzing trace with hash 3876766, now seen corresponding path program 1 times [2025-02-07 18:46:34,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:46:34,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678521316] [2025-02-07 18:46:34,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:46:34,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:46:34,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:46:34,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:46:34,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:34,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:46:34,771 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:46:34,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:46:34,780 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:46:34,780 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:46:34,780 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:46:34,795 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:46:34,797 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:46:34,797 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (6 of 7 remaining) [2025-02-07 18:46:34,798 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2025-02-07 18:46:34,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 7 remaining) [2025-02-07 18:46:34,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 7 remaining) [2025-02-07 18:46:34,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 7 remaining) [2025-02-07 18:46:34,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 7 remaining) [2025-02-07 18:46:34,799 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 7 remaining) [2025-02-07 18:46:34,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:46:34,802 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:46:34,820 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:46:34,823 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:46:34 BoogieIcfgContainer [2025-02-07 18:46:34,823 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:46:34,824 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:46:34,824 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:46:34,824 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:46:34,825 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:34" (3/4) ... [2025-02-07 18:46:34,827 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:46:34,827 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:46:34,828 INFO L158 Benchmark]: Toolchain (without parser) took 876.05ms. Allocated memory is still 167.8MB. Free memory was 125.2MB in the beginning and 74.3MB in the end (delta: 50.9MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2025-02-07 18:46:34,828 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:34,829 INFO L158 Benchmark]: CACSL2BoogieTranslator took 225.82ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 112.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:34,829 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.16ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 109.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:34,829 INFO L158 Benchmark]: Boogie Preprocessor took 45.01ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:34,829 INFO L158 Benchmark]: IcfgBuilder took 367.16ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 89.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:46:34,829 INFO L158 Benchmark]: TraceAbstraction took 196.81ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 74.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:46:34,829 INFO L158 Benchmark]: Witness Printer took 3.01ms. Allocated memory is still 167.8MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:34,830 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 201.3MB. Free memory is still 117.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 225.82ms. Allocated memory is still 167.8MB. Free memory was 124.2MB in the beginning and 112.2MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.16ms. Allocated memory is still 167.8MB. Free memory was 112.2MB in the beginning and 109.8MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.01ms. Allocated memory is still 167.8MB. Free memory was 109.8MB in the beginning and 107.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 367.16ms. Allocated memory is still 167.8MB. Free memory was 106.8MB in the beginning and 89.0MB in the end (delta: 17.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 196.81ms. Allocated memory is still 167.8MB. Free memory was 89.0MB in the beginning and 74.3MB in the end (delta: 14.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.01ms. Allocated memory is still 167.8MB. Free memory is still 74.3MB. 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: 41]: 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 41, overapproximation of someUnaryDOUBLEoperation at line 18, overapproximation of someBinaryArithmeticFLOAToperation at line 128. Possible FailurePath: [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L14-L33] 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; [L128] float x = -1.0f / 0.0f; [L129] CALL __ieee754_expf(x) [L36] float y, hi, lo, c, t; [L37] __int32_t k = 0, xsb, sx; [L38] __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] [L44] 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] [L41] 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: 133]: 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: 114]: 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: 89]: 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: 84]: 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: 102]: 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: 97]: 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: 0.1s, 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=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 18:46:34,845 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_0833.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 b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:46:36,785 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:46:36,857 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:46:36,865 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:46:36,866 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:46:36,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:46:36,893 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:46:36,893 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:46:36,893 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:46:36,893 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:46:36,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:46:36,894 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:46:36,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:46:36,894 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:46:36,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:46:36,895 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:46:36,896 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:46:36,897 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:36,897 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:46:36,897 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:46:36,898 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 -> b5f03ef8422f7b7708e900a4e8a8defb18a5d0c6a337d34a875dec58ac2c0349 [2025-02-07 18:46:37,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:46:37,179 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:46:37,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:46:37,183 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:46:37,183 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:46:37,184 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2025-02-07 18:46:38,480 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d00635a3b/0a1a200b28cb4e4696b308636b1c9974/FLAG13ca078c8 [2025-02-07 18:46:38,711 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:46:38,713 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0833.c [2025-02-07 18:46:38,721 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d00635a3b/0a1a200b28cb4e4696b308636b1c9974/FLAG13ca078c8 [2025-02-07 18:46:38,733 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/d00635a3b/0a1a200b28cb4e4696b308636b1c9974 [2025-02-07 18:46:38,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:46:38,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:46:38,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:38,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:46:38,740 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:46:38,741 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:38,742 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56f8779c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38, skipping insertion in model container [2025-02-07 18:46:38,742 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:38,754 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:46:38,913 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_0833.c[3348,3361] [2025-02-07 18:46:38,918 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:38,929 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:46:38,957 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_0833.c[3348,3361] [2025-02-07 18:46:38,957 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:46:38,971 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:46:38,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38 WrapperNode [2025-02-07 18:46:38,971 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:46:38,972 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:38,972 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:46:38,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:46:38,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:38,985 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,010 INFO L138 Inliner]: procedures = 21, calls = 47, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2025-02-07 18:46:39,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:46:39,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:46:39,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:46:39,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:46:39,018 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,019 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,022 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,042 INFO L175 MemorySlicer]: Split 25 memory accesses to 10 slices as follows [2, 2, 3, 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, 0, 2, 2, 2, 0, 0, 0, 0, 0]. The 6 writes are split as follows [0, 1, 0, 0, 0, 1, 1, 1, 1, 1]. [2025-02-07 18:46:39,044 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,045 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,053 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,054 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,056 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,057 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,060 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:46:39,065 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:46:39,065 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:46:39,065 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:46:39,066 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (1/1) ... [2025-02-07 18:46:39,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:46:39,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:46:39,091 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 18:46:39,095 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 18:46:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:46:39,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2025-02-07 18:46:39,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:46:39,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2025-02-07 18:46:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2025-02-07 18:46:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:46:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:46:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:46:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:46:39,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:46:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:46:39,118 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:46:39,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2025-02-07 18:46:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2025-02-07 18:46:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:46:39,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:46:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:46:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:46:39,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:46:39,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2025-02-07 18:46:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2025-02-07 18:46:39,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:46:39,247 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:46:39,249 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:46:56,737 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L81: havoc __ieee754_expf_~hy~0#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L94: havoc __ieee754_expf_~hy~1#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L119-1: __signbit_float_#res#1 := (if 0bv32 != ~bvand~32(2147483648bv32, __signbit_float_~w~0#1) then 1bv32 else 0bv32); [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume !main_#t~short17#1;havoc main_#t~ret16#1;havoc main_#t~short17#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132: assume !!main_#t~short17#1;havoc main_#t~ret16#1;havoc main_#t~short17#1;main_#res#1 := 0bv32;#t~ret18#1 := main_#res#1;havoc main_#t~ret15#1, main_#t~ret16#1, main_#t~short17#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-1: main_#t~ret16#1 := __signbit_float_#res#1;havoc __signbit_float_#t~mem14#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;havoc __signbit_float_#in~x#1;assume { :end_inline___signbit_float } true;main_#t~short17#1 := 0bv32 == main_#t~ret16#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-2: assume main_#t~short17#1;assume { :begin_inline___signbit_float } true;__signbit_float_#in~x#1 := main_~res~0#1;havoc __signbit_float_#res#1;havoc __signbit_float_#t~mem14#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, __signbit_float_~x#1, __signbit_float_~w~0#1;__signbit_float_~x#1 := __signbit_float_#in~x#1;havoc __signbit_float_~w~0#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L132-2: assume !main_#t~short17#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: assume false;main_#res#1 := 1bv32; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L133: assume !false; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L129: 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;main_#t~short17#1 := ~fp.eq~32(main_~res~0#1, ~Pluszero~32()); [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: assume true;call __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#6(__signbit_float_~x#1, __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4bv32);call __signbit_float_#t~mem14#1 := read~intINTTYPE4#6(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset, 4bv32);__signbit_float_~w~0#1 := __signbit_float_#t~mem14#1;call ULTIMATE.dealloc(__signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset);havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_~#gf_u~3#1.base, __signbit_float_~#gf_u~3#1.offset;havoc __signbit_float_#t~mem14#1; [2025-02-07 18:46:56,738 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113: assume !true; [2025-02-07 18:46:56,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: assume false; [2025-02-07 18:46:56,739 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L113-1: assume !false; [2025-02-07 18:46:56,753 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2025-02-07 18:46:56,753 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:46:56,760 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:46:56,761 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:46:56,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:56 BoogieIcfgContainer [2025-02-07 18:46:56,762 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:46:56,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:46:56,763 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:46:56,766 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:46:56,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:46:38" (1/3) ... [2025-02-07 18:46:56,767 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a845ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:56, skipping insertion in model container [2025-02-07 18:46:56,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:46:38" (2/3) ... [2025-02-07 18:46:56,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10a845ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:46:56, skipping insertion in model container [2025-02-07 18:46:56,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:56" (3/3) ... [2025-02-07 18:46:56,769 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0833.c [2025-02-07 18:46:56,779 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:46:56,780 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0833.c that has 1 procedures, 28 locations, 1 initial locations, 6 loop locations, and 1 error locations. [2025-02-07 18:46:56,810 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:46:56,817 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;@2dde9f52, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:46:56,818 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:46:56,820 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 18:46:56,823 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:46:56,825 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:46:56,828 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:46:56,830 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 18:46:56,855 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:46:56,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:46:56 BoogieIcfgContainer [2025-02-07 18:46:56,862 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:46:56,863 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:46:56,863 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:46:56,863 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:46:56,863 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:46:56" (3/4) ... [2025-02-07 18:46:56,865 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:46:56,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2025-02-07 18:46:56,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-07 18:46:56,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:46:56,870 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:46:56,933 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:46:56,934 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:46:56,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:46:56,935 INFO L158 Benchmark]: Toolchain (without parser) took 18198.23ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 80.1MB in the end (delta: 10.6MB). Peak memory consumption was 5.6MB. Max. memory is 16.1GB. [2025-02-07 18:46:56,935 INFO L158 Benchmark]: CDTParser took 2.63ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:56,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 234.10ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 76.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:56,936 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.44ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:46:56,936 INFO L158 Benchmark]: Boogie Preprocessor took 48.38ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 71.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:56,937 INFO L158 Benchmark]: IcfgBuilder took 17697.01ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 50.1MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:46:56,938 INFO L158 Benchmark]: TraceAbstraction took 98.81ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 86.8MB in the end (delta: -37.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. [2025-02-07 18:46:56,939 INFO L158 Benchmark]: Witness Printer took 71.01ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 80.1MB in the end (delta: 6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:46:56,939 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.63ms. Allocated memory is still 117.4MB. Free memory is still 82.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 234.10ms. Allocated memory is still 117.4MB. Free memory was 90.5MB in the beginning and 76.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.44ms. Allocated memory is still 117.4MB. Free memory was 76.8MB in the beginning and 75.0MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.38ms. Allocated memory is still 117.4MB. Free memory was 75.0MB in the beginning and 71.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 17697.01ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 50.1MB in the end (delta: 21.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 98.81ms. Allocated memory is still 117.4MB. Free memory was 49.5MB in the beginning and 86.8MB in the end (delta: -37.4MB). Peak memory consumption was 13.9MB. Max. memory is 16.1GB. * Witness Printer took 71.01ms. Allocated memory is still 117.4MB. Free memory was 86.8MB in the beginning and 80.1MB 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: 133]: 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 18:46:57,007 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