/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/termination-recursive-malloc/rec_malloc_ex2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-11640d2-m [2023-12-06 21:28:35,930 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-06 21:28:36,001 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 21:28:36,005 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-06 21:28:36,005 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-06 21:28:36,048 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-06 21:28:36,049 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-06 21:28:36,049 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-06 21:28:36,050 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-06 21:28:36,050 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-06 21:28:36,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-06 21:28:36,051 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-06 21:28:36,052 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-06 21:28:36,052 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-06 21:28:36,052 INFO L153 SettingsManager]: * Use SBE=true [2023-12-06 21:28:36,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-06 21:28:36,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-06 21:28:36,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-06 21:28:36,053 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-06 21:28:36,053 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-06 21:28:36,054 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-06 21:28:36,062 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-06 21:28:36,063 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-06 21:28:36,063 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-06 21:28:36,063 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-06 21:28:36,063 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-06 21:28:36,064 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-06 21:28:36,064 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-06 21:28:36,064 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-06 21:28:36,064 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-06 21:28:36,064 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-06 21:28:36,065 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-06 21:28:36,065 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-06 21:28:36,065 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-06 21:28:36,066 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-06 21:28:36,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-06 21:28:36,066 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-06 21:28:36,066 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-06 21:28:36,067 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-06 21:28:36,067 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-06 21:28:36,067 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-06 21:28:36,080 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-06 21:28:36,080 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-06 21:28:36,080 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-06 21:28:36,081 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-06 21:28:36,081 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-06 21:28:36,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-06 21:28:36,460 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-06 21:28:36,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-06 21:28:36,463 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-06 21:28:36,488 INFO L274 PluginConnector]: CDTParser initialized [2023-12-06 21:28:36,489 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/termination-recursive-malloc/rec_malloc_ex2.i [2023-12-06 21:28:38,666 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-06 21:28:38,888 INFO L384 CDTParser]: Found 1 translation units. [2023-12-06 21:28:38,889 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/termination-recursive-malloc/rec_malloc_ex2.i [2023-12-06 21:28:38,894 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98962e167/ef295808f205456484b0f9b114ed2c2a/FLAGc33c03a4b [2023-12-06 21:28:38,913 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/98962e167/ef295808f205456484b0f9b114ed2c2a [2023-12-06 21:28:38,915 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-06 21:28:38,916 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-06 21:28:38,917 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-06 21:28:38,917 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-06 21:28:38,922 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-06 21:28:38,923 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:28:38" (1/1) ... [2023-12-06 21:28:38,924 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7defda3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:38, skipping insertion in model container [2023-12-06 21:28:38,924 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 09:28:38" (1/1) ... [2023-12-06 21:28:38,939 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-06 21:28:39,103 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:28:39,118 INFO L202 MainTranslator]: Completed pre-run [2023-12-06 21:28:39,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-06 21:28:39,149 INFO L206 MainTranslator]: Completed translation [2023-12-06 21:28:39,150 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39 WrapperNode [2023-12-06 21:28:39,150 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-06 21:28:39,151 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-06 21:28:39,151 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-06 21:28:39,151 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-06 21:28:39,155 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,170 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,183 INFO L138 Inliner]: procedures = 11, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2023-12-06 21:28:39,184 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-06 21:28:39,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-06 21:28:39,185 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-06 21:28:39,185 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-06 21:28:39,191 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,193 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,203 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [5, 5]. 50 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 4 writes are split as follows [2, 2]. [2023-12-06 21:28:39,204 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,204 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,215 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,216 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,217 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 09:28:39" (1/1) ... [2023-12-06 21:28:39,219 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-06 21:28:39,221 INFO L158 Benchmark]: Toolchain (without parser) took 304.44ms. Allocated memory is still 60.9MB. Free memory was 25.5MB in the beginning and 26.1MB in the end (delta: -581.5kB). There was no memory consumed. Max. memory is 3.9GB. [2023-12-06 21:28:39,221 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 60.9MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 3.9GB. [2023-12-06 21:28:39,221 INFO L158 Benchmark]: CACSL2BoogieTranslator took 233.21ms. Allocated memory is still 60.9MB. Free memory was 25.2MB in the beginning and 30.3MB in the end (delta: -5.1MB). Peak memory consumption was 3.7MB. Max. memory is 3.9GB. [2023-12-06 21:28:39,222 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.00ms. Allocated memory is still 60.9MB. Free memory was 30.1MB in the beginning and 28.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.5MB. Max. memory is 3.9GB. [2023-12-06 21:28:39,222 INFO L158 Benchmark]: Boogie Preprocessor took 34.39ms. Allocated memory is still 60.9MB. Free memory was 28.6MB in the beginning and 26.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.5MB. Max. memory is 3.9GB. [2023-12-06 21:28:39,224 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 0.17ms. Allocated memory is still 60.9MB. Free memory is still 33.9MB. There was no memory consumed. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 233.21ms. Allocated memory is still 60.9MB. Free memory was 25.2MB in the beginning and 30.3MB in the end (delta: -5.1MB). Peak memory consumption was 3.7MB. Max. memory is 3.9GB. * Boogie Procedure Inliner took 33.00ms. Allocated memory is still 60.9MB. Free memory was 30.1MB in the beginning and 28.6MB in the end (delta: 1.5MB). Peak memory consumption was 1.5MB. Max. memory is 3.9GB. * Boogie Preprocessor took 34.39ms. Allocated memory is still 60.9MB. Free memory was 28.6MB in the beginning and 26.1MB in the end (delta: 2.5MB). Peak memory consumption was 2.5MB. Max. memory is 3.9GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...