./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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/AutomizerMemDerefMemtrack.xml -i ../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-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 valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 05:48:43,232 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 05:48:43,287 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2025-02-08 05:48:43,291 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 05:48:43,292 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 05:48:43,313 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 05:48:43,315 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 05:48:43,315 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 05:48:43,316 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 05:48:43,316 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 05:48:43,316 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 05:48:43,317 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 05:48:43,317 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 05:48:43,317 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 05:48:43,317 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 05:48:43,317 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 05:48:43,318 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2025-02-08 05:48:43,319 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 05:48:43,319 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 05:48:43,319 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 05:48:43,319 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 05:48:43,319 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 05:48:43,319 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:48:43,320 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 05:48:43,320 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 05:48:43,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 05:48:43,321 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 valid-memcleanup) ) 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 -> 0eca46c14885d62179341dcc13b398752af03e020a80dcf533f4c9afc7372707 [2025-02-08 05:48:43,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 05:48:43,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 05:48:43,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 05:48:43,590 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 05:48:43,590 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 05:48:43,591 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2025-02-08 05:48:44,758 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/155f5f098/dac868ef90164ddbb48cde20b20833aa/FLAG17fdd0ce3 [2025-02-08 05:48:45,072 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 05:48:45,073 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/heap-manipulation/dll_of_dll-2.i [2025-02-08 05:48:45,085 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/155f5f098/dac868ef90164ddbb48cde20b20833aa/FLAG17fdd0ce3 [2025-02-08 05:48:45,100 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/155f5f098/dac868ef90164ddbb48cde20b20833aa [2025-02-08 05:48:45,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 05:48:45,102 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 05:48:45,104 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 05:48:45,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 05:48:45,107 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 05:48:45,107 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,108 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21906d70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45, skipping insertion in model container [2025-02-08 05:48:45,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 05:48:45,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:48:45,306 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 05:48:45,354 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 05:48:45,372 INFO L204 MainTranslator]: Completed translation [2025-02-08 05:48:45,372 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45 WrapperNode [2025-02-08 05:48:45,372 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 05:48:45,373 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 05:48:45,373 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 05:48:45,373 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 05:48:45,377 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,399 INFO L138 Inliner]: procedures = 140, calls = 95, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 204 [2025-02-08 05:48:45,399 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 05:48:45,400 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 05:48:45,400 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 05:48:45,400 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 05:48:45,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,408 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,431 INFO L175 MemorySlicer]: Split 48 memory accesses to 3 slices as follows [2, 6, 40]. 83 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1, 0]. The 13 writes are split as follows [0, 2, 11]. [2025-02-08 05:48:45,431 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,431 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,439 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,439 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,440 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,441 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 05:48:45,446 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 05:48:45,446 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 05:48:45,446 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 05:48:45,447 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (1/1) ... [2025-02-08 05:48:45,453 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 05:48:45,465 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 05:48:45,480 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) [2025-02-08 05:48:45,483 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 [2025-02-08 05:48:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2025-02-08 05:48:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2025-02-08 05:48:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure inspect_base [2025-02-08 05:48:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect_base [2025-02-08 05:48:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-02-08 05:48:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 05:48:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure dll_insert_master [2025-02-08 05:48:45,506 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_insert_master [2025-02-08 05:48:45,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2025-02-08 05:48:45,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-02-08 05:48:45,507 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_generic [2025-02-08 05:48:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_generic [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create_slave [2025-02-08 05:48:45,508 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create_slave [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 05:48:45,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-02-08 05:48:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-02-08 05:48:45,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 05:48:45,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 05:48:45,639 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 05:48:45,641 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 05:48:45,678 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L597: havoc #t~ret12.base, #t~ret12.offset; [2025-02-08 05:48:45,764 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L593: havoc #t~mem11.base, #t~mem11.offset;call ULTIMATE.dealloc(~#dll~0.base, ~#dll~0.offset);havoc ~#dll~0.base, ~#dll~0.offset; [2025-02-08 05:48:45,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L584: call write~$Pointer$#1(dll_insert_slave_~item~0#1.base, dll_insert_slave_~item~0#1.offset, dll_insert_slave_~dll#1.base, dll_insert_slave_~dll#1.offset, 4);havoc dll_insert_slave_#t~ret5#1.base, dll_insert_slave_#t~ret5#1.offset, dll_insert_slave_#t~mem6#1.base, dll_insert_slave_#t~mem6#1.offset, dll_insert_slave_~dll#1.base, dll_insert_slave_~dll#1.offset, dll_insert_slave_~item~0#1.base, dll_insert_slave_~item~0#1.offset, dll_insert_slave_~next~0#1.base, dll_insert_slave_~next~0#1.offset;havoc dll_insert_slave_#in~dll#1.base, dll_insert_slave_#in~dll#1.offset;assume { :end_inline_dll_insert_slave } true; [2025-02-08 05:48:45,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L582: assume dll_insert_slave_~next~0#1.base != 0 || dll_insert_slave_~next~0#1.offset != 0;call write~$Pointer$#2(dll_insert_slave_~item~0#1.base, dll_insert_slave_~item~0#1.offset, dll_insert_slave_~next~0#1.base, 4 + dll_insert_slave_~next~0#1.offset, 4); [2025-02-08 05:48:45,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L582: assume !(dll_insert_slave_~next~0#1.base != 0 || dll_insert_slave_~next~0#1.offset != 0); [2025-02-08 05:48:45,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L579: dll_insert_slave_#t~ret5#1.base, dll_insert_slave_#t~ret5#1.offset := alloc_or_die_slave_#res#1.base, alloc_or_die_slave_#res#1.offset;havoc alloc_or_die_slave_#t~malloc3#1.base, alloc_or_die_slave_#t~malloc3#1.offset, alloc_or_die_slave_~ptr~0#1.base, alloc_or_die_slave_~ptr~0#1.offset;assume { :end_inline_alloc_or_die_slave } true;dll_insert_slave_~item~0#1.base, dll_insert_slave_~item~0#1.offset := dll_insert_slave_#t~ret5#1.base, dll_insert_slave_#t~ret5#1.offset;havoc dll_insert_slave_#t~ret5#1.base, dll_insert_slave_#t~ret5#1.offset;call dll_insert_slave_#t~mem6#1.base, dll_insert_slave_#t~mem6#1.offset := read~$Pointer$#1(dll_insert_slave_~dll#1.base, dll_insert_slave_~dll#1.offset, 4);dll_insert_slave_~next~0#1.base, dll_insert_slave_~next~0#1.offset := dll_insert_slave_#t~mem6#1.base, dll_insert_slave_#t~mem6#1.offset;havoc dll_insert_slave_#t~mem6#1.base, dll_insert_slave_#t~mem6#1.offset;call write~$Pointer$#2(dll_insert_slave_~next~0#1.base, dll_insert_slave_~next~0#1.offset, dll_insert_slave_~item~0#1.base, dll_insert_slave_~item~0#1.offset, 4); [2025-02-08 05:48:45,986 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L641: havoc dll_create_master_#t~ret21#1.base, dll_create_master_#t~ret21#1.offset; [2025-02-08 05:48:46,015 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2025-02-08 05:48:46,015 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 05:48:46,027 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 05:48:46,028 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 05:48:46,028 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:48:46 BoogieIcfgContainer [2025-02-08 05:48:46,029 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 05:48:46,030 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 05:48:46,030 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 05:48:46,034 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 05:48:46,034 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 05:48:45" (1/3) ... [2025-02-08 05:48:46,034 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29799d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:48:46, skipping insertion in model container [2025-02-08 05:48:46,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 05:48:45" (2/3) ... [2025-02-08 05:48:46,035 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29799d6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 05:48:46, skipping insertion in model container [2025-02-08 05:48:46,035 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:48:46" (3/3) ... [2025-02-08 05:48:46,036 INFO L128 eAbstractionObserver]: Analyzing ICFG dll_of_dll-2.i [2025-02-08 05:48:46,047 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 05:48:46,050 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG dll_of_dll-2.i that has 7 procedures, 121 locations, 1 initial locations, 24 loop locations, and 2 error locations. [2025-02-08 05:48:46,079 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 05:48:46,087 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=None, 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;@36f30626, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 05:48:46,088 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2025-02-08 05:48:46,091 INFO L276 IsEmpty]: Start isEmpty. Operand has 121 states, 87 states have (on average 1.6896551724137931) internal successors, (147), 108 states have internal predecessors, (147), 24 states have call successors, (24), 6 states have call predecessors, (24), 6 states have return successors, (24), 23 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-08 05:48:46,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-02-08 05:48:46,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location failErr0ASSERT_VIOLATIONMEMORY_LEAK (1 of 2 remaining) [2025-02-08 05:48:46,096 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK (0 of 2 remaining) [2025-02-08 05:48:46,099 INFO L422 BasicCegarLoop]: Path program histogram: [] [2025-02-08 05:48:46,100 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2025-02-08 05:48:46,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.02 05:48:46 BoogieIcfgContainer [2025-02-08 05:48:46,102 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-02-08 05:48:46,103 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2025-02-08 05:48:46,103 INFO L270 PluginConnector]: Initializing Witness Printer... [2025-02-08 05:48:46,103 INFO L274 PluginConnector]: Witness Printer initialized [2025-02-08 05:48:46,104 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 05:48:46" (3/4) ... [2025-02-08 05:48:46,105 INFO L146 WitnessPrinter]: Generating witness for correct program [2025-02-08 05:48:46,108 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dll_create_slave [2025-02-08 05:48:46,108 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure fail [2025-02-08 05:48:46,108 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure ##fun~$Pointer$~TO~VOID [2025-02-08 05:48:46,108 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure inspect_base [2025-02-08 05:48:46,108 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dll_insert_master [2025-02-08 05:48:46,108 INFO L385 IcfgBacktranslator]: Ignoring RootEdge to procedure dll_create_generic [2025-02-08 05:48:46,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2025-02-08 05:48:46,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2025-02-08 05:48:46,113 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2025-02-08 05:48:46,114 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2025-02-08 05:48:46,200 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.graphml [2025-02-08 05:48:46,201 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/witness.yml [2025-02-08 05:48:46,201 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2025-02-08 05:48:46,202 INFO L158 Benchmark]: Toolchain (without parser) took 1099.27ms. Allocated memory is still 201.3MB. Free memory was 153.2MB in the beginning and 82.6MB in the end (delta: 70.6MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2025-02-08 05:48:46,202 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 209.7MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:48:46,202 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.88ms. Allocated memory is still 201.3MB. Free memory was 152.9MB in the beginning and 133.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2025-02-08 05:48:46,203 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.38ms. Allocated memory is still 201.3MB. Free memory was 133.6MB in the beginning and 131.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:48:46,203 INFO L158 Benchmark]: Boogie Preprocessor took 44.14ms. Allocated memory is still 201.3MB. Free memory was 131.5MB in the beginning and 126.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:48:46,203 INFO L158 Benchmark]: IcfgBuilder took 582.31ms. Allocated memory is still 201.3MB. Free memory was 126.4MB in the beginning and 97.6MB in the end (delta: 28.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2025-02-08 05:48:46,204 INFO L158 Benchmark]: TraceAbstraction took 72.05ms. Allocated memory is still 201.3MB. Free memory was 97.1MB in the beginning and 91.2MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. [2025-02-08 05:48:46,204 INFO L158 Benchmark]: Witness Printer took 98.24ms. Allocated memory is still 201.3MB. Free memory was 91.2MB in the beginning and 82.6MB in the end (delta: 8.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2025-02-08 05:48:46,206 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 209.7MB. Free memory is still 128.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.88ms. Allocated memory is still 201.3MB. Free memory was 152.9MB in the beginning and 133.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.38ms. Allocated memory is still 201.3MB. Free memory was 133.6MB in the beginning and 131.5MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.14ms. Allocated memory is still 201.3MB. Free memory was 131.5MB in the beginning and 126.4MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 582.31ms. Allocated memory is still 201.3MB. Free memory was 126.4MB in the beginning and 97.6MB in the end (delta: 28.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 72.05ms. Allocated memory is still 201.3MB. Free memory was 97.1MB in the beginning and 91.2MB in the end (delta: 5.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 98.24ms. Allocated memory is still 201.3MB. Free memory was 91.2MB in the beginning and 82.6MB in the end (delta: 8.6MB). 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: 12]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - PositiveResult [Line: 681]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 121 locations, 2 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=121occurred 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-02-08 05:48:46,221 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