/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-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/busybox-1.22.0/echo-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 14:29:47,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 14:29:48,084 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2023-12-07 14:29:48,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 14:29:48,088 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 14:29:48,130 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 14:29:48,131 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 14:29:48,131 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 14:29:48,131 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 14:29:48,134 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 14:29:48,134 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 14:29:48,135 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 14:29:48,135 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 14:29:48,136 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 14:29:48,136 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 14:29:48,137 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 14:29:48,137 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-07 14:29:48,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 14:29:48,137 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-12-07 14:29:48,137 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-12-07 14:29:48,137 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-12-07 14:29:48,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 14:29:48,138 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 14:29:48,138 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 14:29:48,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 14:29:48,138 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 14:29:48,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-07 14:29:48,139 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 14:29:48,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 14:29:48,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 14:29:48,148 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 14:29:48,148 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 14:29:48,148 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 14:29:48,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 14:29:48,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 14:29:48,149 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 14:29:48,149 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 14:29:48,149 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 14:29:48,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 14:29:48,149 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 14:29:48,150 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 14:29:48,150 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 14:29:48,150 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 14:29:48,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 14:29:48,805 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 14:29:48,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 14:29:48,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 14:29:48,833 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 14:29:48,834 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/busybox-1.22.0/echo-2.i [2023-12-07 14:29:51,240 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 14:29:51,815 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 14:29:51,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/busybox-1.22.0/echo-2.i [2023-12-07 14:29:51,878 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0668301/54adfdab938244bfa02fd4b3213e1cdb/FLAG860bf4d4b [2023-12-07 14:29:51,902 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5a0668301/54adfdab938244bfa02fd4b3213e1cdb [2023-12-07 14:29:51,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 14:29:51,905 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 14:29:51,906 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 14:29:51,906 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 14:29:51,914 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 14:29:51,914 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:29:51" (1/1) ... [2023-12-07 14:29:51,915 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2750286f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:29:51, skipping insertion in model container [2023-12-07 14:29:51,915 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 02:29:51" (1/1) ... [2023-12-07 14:29:52,095 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 14:29:53,249 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 14:29:53,273 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-07 14:29:53,327 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 14:29:53,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 14:29:53,538 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 14:29:53,740 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 14:29:53,942 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: fflush, strerror [2023-12-07 14:29:53,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@d7e2bc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 02:29:53, skipping insertion in model container [2023-12-07 14:29:53,942 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 14:29:53,942 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-07 14:29:53,944 INFO L158 Benchmark]: Toolchain (without parser) took 2038.45ms. Allocated memory is still 60.9MB. Free memory was 28.6MB in the beginning and 20.2MB in the end (delta: 8.4MB). Peak memory consumption was 23.0MB. Max. memory is 3.9GB. [2023-12-07 14:29:53,945 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 60.9MB. Free memory was 31.3MB in the beginning and 31.2MB in the end (delta: 42.6kB). Peak memory consumption was 42.6kB. Max. memory is 3.9GB. [2023-12-07 14:29:53,945 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2036.38ms. Allocated memory is still 60.9MB. Free memory was 28.3MB in the beginning and 20.2MB in the end (delta: 8.1MB). Peak memory consumption was 22.7MB. Max. memory is 3.9GB. [2023-12-07 14:29:53,946 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 0.12ms. Allocated memory is still 60.9MB. Free memory was 31.3MB in the beginning and 31.2MB in the end (delta: 42.6kB). Peak memory consumption was 42.6kB. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 2036.38ms. Allocated memory is still 60.9MB. Free memory was 28.3MB in the beginning and 20.2MB in the end (delta: 8.1MB). Peak memory consumption was 22.7MB. Max. memory is 3.9GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: -1]: Unsupported Syntax The following functions are not defined or handled internally: fflush, strerror RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...