/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -ea -Xmx4000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/C-BIN-BPP.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/memsafety-ext/skiplist_2lvl.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-11640d2-m [2023-12-06 21:26:00,010 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-06 21:26:00,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf [2023-12-06 21:26:00,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-06 21:26:00,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-06 21:26:00,204 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-06 21:26:00,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-06 21:26:00,206 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-06 21:26:00,207 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-06 21:26:00,207 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-06 21:26:00,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-06 21:26:00,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-06 21:26:00,209 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-06 21:26:00,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-06 21:26:00,209 INFO L153 SettingsManager]: * Use SBE=true [2023-12-06 21:26:00,210 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-06 21:26:00,210 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-06 21:26:00,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-06 21:26:00,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-06 21:26:00,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-06 21:26:00,212 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-06 21:26:00,221 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-06 21:26:00,221 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-06 21:26:00,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-06 21:26:00,222 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-06 21:26:00,222 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-06 21:26:00,222 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-06 21:26:00,223 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-06 21:26:00,223 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-06 21:26:00,223 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-06 21:26:00,224 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-06 21:26:00,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-06 21:26:00,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-06 21:26:00,225 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-06 21:26:00,225 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-06 21:26:00,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-06 21:26:00,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-06 21:26:00,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-06 21:26:00,230 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-06 21:26:00,230 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-06 21:26:00,230 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-06 21:26:00,241 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-06 21:26:00,241 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-06 21:26:00,241 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-06 21:26:00,242 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-06 21:26:00,242 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-06 21:26:00,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-06 21:26:00,695 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-06 21:26:00,697 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-06 21:26:00,698 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-06 21:26:00,707 INFO L274 PluginConnector]: CDTParser initialized [2023-12-06 21:26:00,709 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/memsafety-ext/skiplist_2lvl.i [2023-12-06 21:26:03,337 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-06 21:26:03,688 INFO L384 CDTParser]: Found 1 translation units. [2023-12-06 21:26:03,689 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/memsafety-ext/skiplist_2lvl.i [2023-12-06 21:26:03,702 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644e42481/32fe179b11874f77a4cb6950295a4b6f/FLAG7bdbbf6a1 [2023-12-06 21:26:03,717 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/644e42481/32fe179b11874f77a4cb6950295a4b6f [2023-12-06 21:26:03,719 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-06 21:26:03,721 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-06 21:26:03,722 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-06 21:26:03,722 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-06 21:26:03,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-06 21:26:03,728 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:26:03" (1/1) ... [2023-12-06 21:26:03,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68117477 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:03, skipping insertion in model container [2023-12-06 21:26:03,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:26:03" (1/1) ... [2023-12-06 21:26:03,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-06 21:26:04,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:26:04,275 INFO L202 MainTranslator]: Completed pre-run [2023-12-06 21:26:04,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:26:04,448 INFO L206 MainTranslator]: Completed translation [2023-12-06 21:26:04,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04 WrapperNode [2023-12-06 21:26:04,449 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-06 21:26:04,451 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-06 21:26:04,451 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-06 21:26:04,451 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-06 21:26:04,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,473 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,508 INFO L138 Inliner]: procedures = 128, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 136 [2023-12-06 21:26:04,509 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-06 21:26:04,510 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-06 21:26:04,510 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-06 21:26:04,511 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-06 21:26:04,522 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,571 INFO L175 MemorySlicer]: Split 31 memory accesses to 3 slices as follows [2, 13, 16]. 52 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 11 writes are split as follows [0, 3, 8]. [2023-12-06 21:26:04,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,597 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,608 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,612 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:26:04" (1/1) ... [2023-12-06 21:26:04,617 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-06 21:26:04,620 INFO L158 Benchmark]: Toolchain (without parser) took 898.50ms. Allocated memory is still 60.9MB. Free memory was 23.4MB in the beginning and 24.7MB in the end (delta: -1.4MB). There was no memory consumed. Max. memory is 3.9GB. [2023-12-06 21:26:04,620 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 60.9MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-06 21:26:04,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 727.51ms. Allocated memory is still 60.9MB. Free memory was 23.0MB in the beginning and 32.5MB in the end (delta: -9.5MB). Peak memory consumption was 4.6MB. Max. memory is 3.9GB. [2023-12-06 21:26:04,621 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.99ms. Allocated memory is still 60.9MB. Free memory was 32.5MB in the beginning and 29.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.7MB. Max. memory is 3.9GB. [2023-12-06 21:26:04,622 INFO L158 Benchmark]: Boogie Preprocessor took 107.01ms. Allocated memory is still 60.9MB. Free memory was 29.8MB in the beginning and 25.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.8MB. Max. memory is 3.9GB. [2023-12-06 21:26:04,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 60.9MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 727.51ms. Allocated memory is still 60.9MB. Free memory was 23.0MB in the beginning and 32.5MB in the end (delta: -9.5MB). Peak memory consumption was 4.6MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 58.99ms. Allocated memory is still 60.9MB. Free memory was 32.5MB in the beginning and 29.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.7MB. Max. memory is 3.9GB. * Boogie Preprocessor took 107.01ms. Allocated memory is still 60.9MB. Free memory was 29.8MB in the beginning and 25.0MB in the end (delta: 4.8MB). Peak memory consumption was 4.8MB. Max. memory is 3.9GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...