./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_0960b.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_0960b.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 cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:47:54,187 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:47:54,227 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2025-02-07 18:47:54,234 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:47:54,234 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:47:54,263 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:47:54,263 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:47:54,263 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:47:54,264 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:47:54,264 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:47:54,268 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:47:54,268 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:47:54,268 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:47:54,268 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:47:54,269 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:54,269 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:47:54,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:47:54,269 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 -> cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c [2025-02-07 18:47:54,478 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:47:54,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:47:54,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:47:54,485 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:47:54,486 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:47:54,486 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2025-02-07 18:47:55,562 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91e89f6d4/8bfb0ed4387a4153a3a8710a3632c5f4/FLAGdd784ff8d [2025-02-07 18:47:55,767 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:47:55,768 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2025-02-07 18:47:55,795 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91e89f6d4/8bfb0ed4387a4153a3a8710a3632c5f4/FLAGdd784ff8d [2025-02-07 18:47:55,815 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/91e89f6d4/8bfb0ed4387a4153a3a8710a3632c5f4 [2025-02-07 18:47:55,817 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:47:55,818 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:47:55,819 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:47:55,819 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:47:55,825 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:47:55,826 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:47:55" (1/1) ... [2025-02-07 18:47:55,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d1a6a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:55, skipping insertion in model container [2025-02-07 18:47:55,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:47:55" (1/1) ... [2025-02-07 18:47:55,844 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:47:56,003 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_0960b.c[4186,4199] [2025-02-07 18:47:56,006 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:47:56,015 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:47:56,055 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_0960b.c[4186,4199] [2025-02-07 18:47:56,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:47:56,071 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:47:56,071 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56 WrapperNode [2025-02-07 18:47:56,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:47:56,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:47:56,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:47:56,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:47:56,077 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,090 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,122 INFO L138 Inliner]: procedures = 17, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 274 [2025-02-07 18:47:56,126 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:47:56,126 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:47:56,126 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:47:56,126 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:47:56,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,133 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,139 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,153 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:47:56,153 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,154 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,160 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,162 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,163 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,165 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:47:56,166 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:47:56,166 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:47:56,166 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:47:56,167 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (1/1) ... [2025-02-07 18:47:56,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:56,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:47:56,192 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 18:47:56,194 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 18:47:56,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-02-07 18:47:56,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2025-02-07 18:47:56,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:47:56,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-02-07 18:47:56,212 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:47:56,296 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:47:56,297 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:47:56,510 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume false;main_#res#1 := 1; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume !false; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: isinf_float_~ix~1#1 := isinf_float_~ix~1#1 % 2147483648;isinf_float_#res#1 := (if 2139095040 == isinf_float_~ix~1#1 then 1 else 0);main_#t~ret18#1 := isinf_float_#res#1;havoc isinf_float_#t~mem16#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~1#1;havoc isinf_float_#in~x#1;assume { :end_inline_isinf_float } true;assume -2147483648 <= main_#t~ret18#1 && main_#t~ret18#1 <= 2147483647; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148: assume true; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148: assume !true; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: assume false; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: assume !false; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L149: assume true; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L149: assume !true;call isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset := #Ultimate.allocOnStack(4);call write~real#7(isinf_float_~x#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4);call isinf_float_#t~mem16#1 := read~int#7(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4);isinf_float_~ix~1#1 := (if isinf_float_#t~mem16#1 % 4294967296 % 4294967296 <= 2147483647 then isinf_float_#t~mem16#1 % 4294967296 % 4294967296 else isinf_float_#t~mem16#1 % 4294967296 % 4294967296 - 4294967296);call ULTIMATE.dealloc(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset);havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_#t~mem16#1; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L149-1: assume false; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L149-1: assume !false; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L141: __ieee754_log10f_#t~ret15#1 := __ieee754_logf_#res#1;havoc __ieee754_logf_#t~mem4#1, __ieee754_logf_~#gf_u~0#1.base, __ieee754_logf_~#gf_u~0#1.offset, __ieee754_logf_#t~mem5#1, __ieee754_logf_~#gf_u~1#1.base, __ieee754_logf_~#gf_u~1#1.offset, __ieee754_logf_#t~bitwise6#1, __ieee754_logf_#t~bitwise7#1, __ieee754_logf_#t~bitwise8#1, __ieee754_logf_#t~mem9#1, __ieee754_logf_~#sf_u~0#1.base, __ieee754_logf_~#sf_u~0#1.offset, __ieee754_logf_#t~bitwise10#1, __ieee754_logf_~x#1, __ieee754_logf_~hfsq~0#1, __ieee754_logf_~f~0#1, __ieee754_logf_~s~0#1, __ieee754_logf_~z~0#1, __ieee754_logf_~R~0#1, __ieee754_logf_~w~0#1, __ieee754_logf_~t1~0#1, __ieee754_logf_~t2~0#1, __ieee754_logf_~dk~0#1, __ieee754_logf_~k~0#1, __ieee754_logf_~ix~0#1, __ieee754_logf_~i~0#1, __ieee754_logf_~j~0#1;havoc __ieee754_logf_#in~x#1;assume { :end_inline___ieee754_logf } true;__ieee754_log10f_~z~1#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(__ieee754_log10f_~y~0#1, ~log10_2lo_log10~0), ~someBinaryArithmeticFLOAToperation(~ivln10_log10~0, __ieee754_log10f_#t~ret15#1));havoc __ieee754_log10f_#t~ret15#1;__ieee754_log10f_#res#1 := ~someBinaryArithmeticFLOAToperation(__ieee754_log10f_~z~1#1, ~someBinaryArithmeticFLOAToperation(__ieee754_log10f_~y~0#1, ~log10_2hi_log10~0));main_#t~ret17#1 := __ieee754_log10f_#res#1;havoc __ieee754_log10f_#t~mem11#1, __ieee754_log10f_~#gf_u~2#1.base, __ieee754_log10f_~#gf_u~2#1.offset, __ieee754_log10f_#t~mem12#1, __ieee754_log10f_~#gf_u~3#1.base, __ieee754_log10f_~#gf_u~3#1.offset, __ieee754_log10f_#t~bitwise13#1, __ieee754_log10f_#t~mem14#1, __ieee754_log10f_~#sf_u~1#1.base, __ieee754_log10f_~#sf_u~1#1.offset, __ieee754_log10f_#t~ret15#1, __ieee754_log10f_~x#1, __ieee754_log10f_~y~0#1, __ieee754_log10f_~z~1#1, __ieee754_log10f_~i~1#1, __ieee754_log10f_~k~1#1, __ieee754_log10f_~hx~0#1;havoc __ieee754_log10f_#in~x#1;assume { :end_inline___ieee754_log10f } true;main_~res~0#1 := main_#t~ret17#1;havoc main_#t~ret17#1;assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_~res~0#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem16#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~1#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~1#1; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume 0 == main_#t~ret18#1;havoc main_#t~ret18#1; [2025-02-07 18:47:56,511 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume !(0 == main_#t~ret18#1);havoc main_#t~ret18#1;main_#res#1 := 0;#t~ret19#1 := main_#res#1;havoc main_#t~ret17#1, main_#t~ret18#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:47:56,527 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2025-02-07 18:47:56,528 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:47:56,555 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:47:56,556 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:47:56,557 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:56 BoogieIcfgContainer [2025-02-07 18:47:56,557 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:47:56,560 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:47:56,560 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:47:56,564 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:47:56,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:47:55" (1/3) ... [2025-02-07 18:47:56,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b83d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:47:56, skipping insertion in model container [2025-02-07 18:47:56,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:47:56" (2/3) ... [2025-02-07 18:47:56,565 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35b83d3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:47:56, skipping insertion in model container [2025-02-07 18:47:56,565 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:56" (3/3) ... [2025-02-07 18:47:56,565 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b.c [2025-02-07 18:47:56,575 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:47:56,576 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0960b.c that has 1 procedures, 75 locations, 1 initial locations, 14 loop locations, and 8 error locations. [2025-02-07 18:47:56,614 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:47:56,622 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;@3910ba6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:47:56,622 INFO L334 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2025-02-07 18:47:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 66 states have (on average 1.7575757575757576) internal successors, (116), 73 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-07 18:47:56,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-02-07 18:47:56,627 INFO L210 NwaCegarLoop]: Found error trace [2025-02-07 18:47:56,628 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-02-07 18:47:56,628 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE, ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (and 5 more)] === [2025-02-07 18:47:56,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-07 18:47:56,635 INFO L85 PathProgramCache]: Analyzing trace with hash 5693022, now seen corresponding path program 1 times [2025-02-07 18:47:56,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-07 18:47:56,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900655477] [2025-02-07 18:47:56,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-07 18:47:56,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-07 18:47:56,682 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:47:56,690 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:47:56,691 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:47:56,691 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:47:56,691 INFO L348 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2025-02-07 18:47:56,694 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-02-07 18:47:56,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-02-07 18:47:56,701 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-07 18:47:56,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-02-07 18:47:56,719 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2025-02-07 18:47:56,720 INFO L340 BasicCegarLoop]: Counterexample is feasible [2025-02-07 18:47:56,721 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONUNSUPPORTED_FEATURE (7 of 8 remaining) [2025-02-07 18:47:56,722 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2025-02-07 18:47:56,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONUNSUPPORTED_FEATURE (5 of 8 remaining) [2025-02-07 18:47:56,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONUNSUPPORTED_FEATURE (4 of 8 remaining) [2025-02-07 18:47:56,723 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONUNSUPPORTED_FEATURE (3 of 8 remaining) [2025-02-07 18:47:56,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONUNSUPPORTED_FEATURE (2 of 8 remaining) [2025-02-07 18:47:56,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONUNSUPPORTED_FEATURE (1 of 8 remaining) [2025-02-07 18:47:56,724 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONUNSUPPORTED_FEATURE (0 of 8 remaining) [2025-02-07 18:47:56,725 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-07 18:47:56,729 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-02-07 18:47:56,742 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:47:56,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:47:56 BoogieIcfgContainer [2025-02-07 18:47:56,745 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:47:56,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:47:56,746 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:47:56,746 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:47:56,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:47:56" (3/4) ... [2025-02-07 18:47:56,748 INFO L149 WitnessPrinter]: No result that supports witness generation found [2025-02-07 18:47:56,749 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:47:56,749 INFO L158 Benchmark]: Toolchain (without parser) took 931.21ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 55.4MB in the end (delta: 57.2MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2025-02-07 18:47:56,750 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:56,750 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.66ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 98.8MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:47:56,750 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.32ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:47:56,751 INFO L158 Benchmark]: Boogie Preprocessor took 39.29ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:56,752 INFO L158 Benchmark]: IcfgBuilder took 391.03ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 69.8MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2025-02-07 18:47:56,752 INFO L158 Benchmark]: TraceAbstraction took 185.54ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 55.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:47:56,752 INFO L158 Benchmark]: Witness Printer took 2.71ms. Allocated memory is still 142.6MB. Free memory is still 55.4MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:47:56,753 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 201.3MB. Free memory is still 126.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.66ms. Allocated memory is still 142.6MB. Free memory was 112.6MB in the beginning and 98.8MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.32ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.6MB in the end (delta: 2.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.29ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 93.6MB in the end (delta: 3.0MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 391.03ms. Allocated memory is still 142.6MB. Free memory was 93.6MB in the beginning and 69.8MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 185.54ms. Allocated memory is still 142.6MB. Free memory was 69.1MB in the beginning and 55.4MB in the end (delta: 13.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 2.71ms. Allocated memory is still 142.6MB. Free memory is still 55.4MB. 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: 111]: 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 111, overapproximation of someUnaryFLOAToperation at line 163. Possible FailurePath: [L13-L17] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L19] static const float zero_log = 0.0; [L99-L102] static const float two25_log10 = 3.3554432000e+07, ivln10_log10 = 4.3429449201e-01, log10_2hi_log10 = 3.0102920532e-01, log10_2lo_log10 = 7.9034151668e-07; [L104] static const float zero = 0.0; [L163] float x = -0.0f; [L164] CALL __ieee754_log10f(x) [L107] float y, z; [L108] __int32_t i, k, hx; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554436, zero=0, zero_log=0] [L114] COND TRUE 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, zero=0, zero_log=0] [L111] ieee_float_shape_type gf_u; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ivln10_log10=43429449201/100000000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, log10_2hi_log10=7525730133/25000000000, log10_2lo_log10=19758537917/25000000000000000, two25_log10=33554432, two25_log=33554432, x=33554436, zero=0, zero_log=0] - UnprovableResult [Line: 168]: 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: 149]: 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: 51]: 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: 42]: 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: 26]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 137]: Unable to prove that there are no unsupported features in the program Unable to prove that there are no unsupported features in the program Reason: Not analyzed. - UnprovableResult [Line: 127]: 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, 75 locations, 8 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=74occurred 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 18:47:56,767 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_0960b.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 cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-07 18:47:58,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-07 18:47:59,051 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2025-02-07 18:47:59,058 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-07 18:47:59,058 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-07 18:47:59,083 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-07 18:47:59,084 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-07 18:47:59,085 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-07 18:47:59,085 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-07 18:47:59,085 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-07 18:47:59,085 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-07 18:47:59,086 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-07 18:47:59,086 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-07 18:47:59,086 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-07 18:47:59,086 INFO L153 SettingsManager]: * Use SBE=true [2025-02-07 18:47:59,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-07 18:47:59,087 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-07 18:47:59,088 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-07 18:47:59,088 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-07 18:47:59,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:47:59,089 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-07 18:47:59,089 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-07 18:47:59,089 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-07 18:47:59,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-07 18:47:59,089 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2025-02-07 18:47:59,090 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2025-02-07 18:47:59,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-07 18:47:59,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-07 18:47:59,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-07 18:47:59,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-07 18:47:59,090 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 -> cb6b1424a272796845acc1f70223dfacd3f866998a144ff42a8a4da1c8cca40c [2025-02-07 18:47:59,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-07 18:47:59,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-07 18:47:59,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-07 18:47:59,356 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-07 18:47:59,356 INFO L274 PluginConnector]: CDTParser initialized [2025-02-07 18:47:59,357 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2025-02-07 18:48:00,557 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/16c7db43b/6f5fd7bbcb3d4baa9f7575761e28804a/FLAG1a637e3ae [2025-02-07 18:48:00,725 INFO L384 CDTParser]: Found 1 translation units. [2025-02-07 18:48:00,726 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_0960b.c [2025-02-07 18:48:00,731 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/16c7db43b/6f5fd7bbcb3d4baa9f7575761e28804a/FLAG1a637e3ae [2025-02-07 18:48:00,746 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/16c7db43b/6f5fd7bbcb3d4baa9f7575761e28804a [2025-02-07 18:48:00,749 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-07 18:48:00,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-07 18:48:00,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:00,753 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-07 18:48:00,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-07 18:48:00,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:00,756 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4185ae61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00, skipping insertion in model container [2025-02-07 18:48:00,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:00,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-07 18:48:00,927 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_0960b.c[4186,4199] [2025-02-07 18:48:00,931 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:00,949 INFO L200 MainTranslator]: Completed pre-run [2025-02-07 18:48:00,982 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_0960b.c[4186,4199] [2025-02-07 18:48:00,983 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-07 18:48:00,998 INFO L204 MainTranslator]: Completed translation [2025-02-07 18:48:00,998 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00 WrapperNode [2025-02-07 18:48:00,999 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-07 18:48:00,999 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:00,999 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-07 18:48:01,000 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-07 18:48:01,003 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,010 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,036 INFO L138 Inliner]: procedures = 20, calls = 38, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 218 [2025-02-07 18:48:01,037 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-07 18:48:01,037 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-07 18:48:01,037 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-07 18:48:01,037 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-07 18:48:01,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,056 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,067 INFO L175 MemorySlicer]: Split 16 memory accesses to 8 slices as follows [2, 2, 2, 2, 2, 2, 2, 2]. 13 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0, 0, 0, 0, 0, 0]. The 7 writes are split as follows [0, 1, 1, 1, 1, 1, 1, 1]. [2025-02-07 18:48:01,068 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,068 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,083 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,084 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,089 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,096 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-07 18:48:01,097 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-07 18:48:01,097 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-07 18:48:01,097 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-07 18:48:01,102 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (1/1) ... [2025-02-07 18:48:01,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-07 18:48:01,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-07 18:48:01,139 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 18:48:01,141 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 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2025-02-07 18:48:01,160 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-07 18:48:01,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2025-02-07 18:48:01,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-07 18:48:01,274 INFO L257 CfgBuilder]: Building ICFG [2025-02-07 18:48:01,276 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-07 18:48:37,844 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume false;main_#res#1 := 1bv32; [2025-02-07 18:48:37,844 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L168: assume !false; [2025-02-07 18:48:37,844 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2025-02-07 18:48:37,844 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148: assume true;call isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset := #Ultimate.allocOnStack(4bv32);call write~intFLOATTYPE4#3(isinf_float_~x#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4bv32);call isinf_float_#t~mem11#1 := read~intINTTYPE4#3(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, 4bv32);isinf_float_~ix~1#1 := isinf_float_#t~mem11#1;call ULTIMATE.dealloc(isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset);havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset;havoc isinf_float_#t~mem11#1; [2025-02-07 18:48:37,845 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148: assume !true; [2025-02-07 18:48:37,845 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: assume false; [2025-02-07 18:48:37,845 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L148-1: assume !false; [2025-02-07 18:48:37,846 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L153: isinf_float_~ix~1#1 := ~bvand~32(2147483647bv32, isinf_float_~ix~1#1);isinf_float_#res#1 := (if 2139095040bv32 == isinf_float_~ix~1#1 then 1bv32 else 0bv32);main_#t~ret13#1 := isinf_float_#res#1;havoc isinf_float_#t~mem11#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~1#1;havoc isinf_float_#in~x#1;assume { :end_inline_isinf_float } true; [2025-02-07 18:48:37,846 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L141: __ieee754_log10f_#t~ret10#1 := __ieee754_logf_#res#1;havoc __ieee754_logf_#t~mem4#1, __ieee754_logf_~#gf_u~0#1.base, __ieee754_logf_~#gf_u~0#1.offset, __ieee754_logf_#t~mem5#1, __ieee754_logf_~#gf_u~1#1.base, __ieee754_logf_~#gf_u~1#1.offset, __ieee754_logf_#t~mem6#1, __ieee754_logf_~#sf_u~0#1.base, __ieee754_logf_~#sf_u~0#1.offset, __ieee754_logf_~x#1, __ieee754_logf_~hfsq~0#1, __ieee754_logf_~f~0#1, __ieee754_logf_~s~0#1, __ieee754_logf_~z~0#1, __ieee754_logf_~R~0#1, __ieee754_logf_~w~0#1, __ieee754_logf_~t1~0#1, __ieee754_logf_~t2~0#1, __ieee754_logf_~dk~0#1, __ieee754_logf_~k~0#1, __ieee754_logf_~ix~0#1, __ieee754_logf_~i~0#1, __ieee754_logf_~j~0#1;havoc __ieee754_logf_#in~x#1;assume { :end_inline___ieee754_logf } true;__ieee754_log10f_~z~1#1 := ~fp.add~32(currentRoundingMode, ~fp.mul~32(currentRoundingMode, __ieee754_log10f_~y~0#1, ~log10_2lo_log10~0), ~fp.mul~32(currentRoundingMode, ~ivln10_log10~0, __ieee754_log10f_#t~ret10#1));havoc __ieee754_log10f_#t~ret10#1;__ieee754_log10f_#res#1 := ~fp.add~32(currentRoundingMode, __ieee754_log10f_~z~1#1, ~fp.mul~32(currentRoundingMode, __ieee754_log10f_~y~0#1, ~log10_2hi_log10~0));main_#t~ret12#1 := __ieee754_log10f_#res#1;havoc __ieee754_log10f_#t~mem7#1, __ieee754_log10f_~#gf_u~2#1.base, __ieee754_log10f_~#gf_u~2#1.offset, __ieee754_log10f_#t~mem8#1, __ieee754_log10f_~#gf_u~3#1.base, __ieee754_log10f_~#gf_u~3#1.offset, __ieee754_log10f_#t~mem9#1, __ieee754_log10f_~#sf_u~1#1.base, __ieee754_log10f_~#sf_u~1#1.offset, __ieee754_log10f_#t~ret10#1, __ieee754_log10f_~x#1, __ieee754_log10f_~y~0#1, __ieee754_log10f_~z~1#1, __ieee754_log10f_~i~1#1, __ieee754_log10f_~k~1#1, __ieee754_log10f_~hx~0#1;havoc __ieee754_log10f_#in~x#1;assume { :end_inline___ieee754_log10f } true;main_~res~0#1 := main_#t~ret12#1;havoc main_#t~ret12#1;assume { :begin_inline_isinf_float } true;isinf_float_#in~x#1 := main_~res~0#1;havoc isinf_float_#res#1;havoc isinf_float_#t~mem11#1, isinf_float_~#gf_u~4#1.base, isinf_float_~#gf_u~4#1.offset, isinf_float_~x#1, isinf_float_~ix~1#1;isinf_float_~x#1 := isinf_float_#in~x#1;havoc isinf_float_~ix~1#1; [2025-02-07 18:48:37,846 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume 0bv32 == main_#t~ret13#1;havoc main_#t~ret13#1; [2025-02-07 18:48:37,846 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L167: assume !(0bv32 == main_#t~ret13#1);havoc main_#t~ret13#1;main_#res#1 := 0bv32;#t~ret14#1 := main_#res#1;havoc main_#t~ret12#1, main_#t~ret13#1, main_~x~0#1, main_~res~0#1;assume { :end_inline_main } true; [2025-02-07 18:48:37,869 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live. [2025-02-07 18:48:37,870 INFO L308 CfgBuilder]: Performing block encoding [2025-02-07 18:48:37,883 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-07 18:48:37,884 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-07 18:48:37,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:37 BoogieIcfgContainer [2025-02-07 18:48:37,884 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-07 18:48:37,886 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-07 18:48:37,890 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-07 18:48:37,894 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-07 18:48:37,894 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.02 06:48:00" (1/3) ... [2025-02-07 18:48:37,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b751e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:37, skipping insertion in model container [2025-02-07 18:48:37,900 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.02 06:48:00" (2/3) ... [2025-02-07 18:48:37,900 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b751e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.02 06:48:37, skipping insertion in model container [2025-02-07 18:48:37,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:37" (3/3) ... [2025-02-07 18:48:37,902 INFO L128 eAbstractionObserver]: Analyzing ICFG float_req_bl_0960b.c [2025-02-07 18:48:37,923 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-07 18:48:37,924 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG float_req_bl_0960b.c that has 1 procedures, 37 locations, 1 initial locations, 7 loop locations, and 1 error locations. [2025-02-07 18:48:38,011 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-07 18:48:38,028 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;@456ed659, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-07 18:48:38,030 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-02-07 18:48:38,033 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 35 states have internal predecessors, (61), 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 18:48:38,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-07 18:48:38,042 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-02-07 18:48:38,052 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-07 18:48:38,054 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 36 states, 34 states have (on average 1.7941176470588236) internal successors, (61), 35 states have internal predecessors, (61), 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 18:48:38,072 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-07 18:48:38,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.02 06:48:38 BoogieIcfgContainer [2025-02-07 18:48:38,078 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-07 18:48:38,078 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-07 18:48:38,078 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-07 18:48:38,079 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-07 18:48:38,079 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 07.02 06:48:37" (3/4) ... [2025-02-07 18:48:38,080 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-07 18:48:38,085 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2025-02-07 18:48:38,086 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2025-02-07 18:48:38,086 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2025-02-07 18:48:38,086 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-07 18:48:38,137 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-07 18:48:38,138 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-07 18:48:38,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-07 18:48:38,138 INFO L158 Benchmark]: Toolchain (without parser) took 37388.05ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 40.8MB in the end (delta: 18.7MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2025-02-07 18:48:38,139 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:38,139 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.52ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 45.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-07 18:48:38,139 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.35ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:38,139 INFO L158 Benchmark]: Boogie Preprocessor took 59.62ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 39.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-07 18:48:38,139 INFO L158 Benchmark]: IcfgBuilder took 36787.10ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 55.4MB in the end (delta: -15.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. [2025-02-07 18:48:38,140 INFO L158 Benchmark]: TraceAbstraction took 192.30ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 47.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:38,140 INFO L158 Benchmark]: Witness Printer took 59.35ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 40.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-07 18:48:38,141 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 83.9MB. Free memory is still 62.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.52ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 45.3MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.35ms. Allocated memory is still 83.9MB. Free memory was 45.3MB in the beginning and 43.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.62ms. Allocated memory is still 83.9MB. Free memory was 43.1MB in the beginning and 39.9MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 36787.10ms. Allocated memory is still 83.9MB. Free memory was 39.9MB in the beginning and 55.4MB in the end (delta: -15.5MB). Peak memory consumption was 29.6MB. Max. memory is 16.1GB. * TraceAbstraction took 192.30ms. Allocated memory is still 83.9MB. Free memory was 54.9MB in the beginning and 47.5MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 59.35ms. Allocated memory is still 83.9MB. Free memory was 47.5MB in the beginning and 40.8MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 168]: 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, 37 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred 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 18:48:38,232 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