/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-Reach-64bit-Automizer_Bitvector.epf -i ../../../trunk/examples/svcomp/busybox-1.22.0/chgrp-incomplete-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-dev-db9108f-m [2023-12-07 13:53:24,451 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-07 13:53:24,607 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Bitvector.epf [2023-12-07 13:53:24,611 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-07 13:53:24,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-07 13:53:24,661 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-07 13:53:24,661 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-07 13:53:24,662 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-07 13:53:24,662 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-07 13:53:24,666 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-07 13:53:24,666 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-07 13:53:24,680 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-07 13:53:24,681 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-07 13:53:24,682 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-07 13:53:24,682 INFO L153 SettingsManager]: * Use SBE=true [2023-12-07 13:53:24,682 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-07 13:53:24,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-07 13:53:24,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-07 13:53:24,683 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-07 13:53:24,683 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-07 13:53:24,684 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-07 13:53:24,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-07 13:53:24,684 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-07 13:53:24,684 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-07 13:53:24,685 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-07 13:53:24,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-07 13:53:24,685 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-07 13:53:24,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-07 13:53:24,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-07 13:53:24,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-07 13:53:24,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-07 13:53:24,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-07 13:53:24,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-07 13:53:24,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-07 13:53:24,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-07 13:53:24,688 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-07 13:53:24,688 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-07 13:53:24,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-07 13:53:24,689 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-07 13:53:24,689 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-07 13:53:24,689 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-07 13:53:24,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-07 13:53:24,689 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-07 13:53:24,689 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-07 13:53:25,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-07 13:53:25,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-07 13:53:25,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-07 13:53:25,145 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-07 13:53:25,146 INFO L274 PluginConnector]: CDTParser initialized [2023-12-07 13:53:25,147 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/busybox-1.22.0/chgrp-incomplete-2.i [2023-12-07 13:53:27,138 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-07 13:53:27,896 INFO L384 CDTParser]: Found 1 translation units. [2023-12-07 13:53:27,897 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/busybox-1.22.0/chgrp-incomplete-2.i [2023-12-07 13:53:27,965 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fdc6ddc2/92360dec68ed490291c4fa0347a29528/FLAG5d767778f [2023-12-07 13:53:28,033 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7fdc6ddc2/92360dec68ed490291c4fa0347a29528 [2023-12-07 13:53:28,035 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-07 13:53:28,036 INFO L133 ToolchainWalker]: Walking toolchain with 3 elements. [2023-12-07 13:53:28,052 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-07 13:53:28,052 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-07 13:53:28,056 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-07 13:53:28,057 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:53:28" (1/1) ... [2023-12-07 13:53:28,058 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4db21135 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:28, skipping insertion in model container [2023-12-07 13:53:28,058 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:53:28" (1/1) ... [2023-12-07 13:53:28,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 13:53:30,236 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 13:53:30,263 INFO L199 MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution] [2023-12-07 13:53:30,323 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-07 13:53:30,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 13:53:30,660 INFO L202 MainTranslator]: Completed pre-run [2023-12-07 13:53:31,056 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-07 13:53:31,276 ERROR L324 MainTranslator]: Unsupported Syntax: The following functions are not defined or handled internally: fflush [2023-12-07 13:53:31,277 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@75c56509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:53:31, skipping insertion in model container [2023-12-07 13:53:31,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-07 13:53:31,277 INFO L186 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.procedureinliner [2023-12-07 13:53:31,279 INFO L158 Benchmark]: Toolchain (without parser) took 3242.73ms. Allocated memory is still 60.9MB. Free memory was 25.1MB in the beginning and 14.0MB in the end (delta: 11.0MB). Peak memory consumption was 16.0MB. Max. memory is 3.9GB. [2023-12-07 13:53:31,280 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 60.9MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 42.6kB). Peak memory consumption was 42.6kB. Max. memory is 3.9GB. [2023-12-07 13:53:31,281 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3225.49ms. Allocated memory is still 60.9MB. Free memory was 24.8MB in the beginning and 14.0MB in the end (delta: 10.8MB). Peak memory consumption was 15.7MB. Max. memory is 3.9GB. [2023-12-07 13:53:31,282 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 0.11ms. Allocated memory is still 60.9MB. Free memory was 31.0MB in the beginning and 30.9MB in the end (delta: 42.6kB). Peak memory consumption was 42.6kB. Max. memory is 3.9GB. * CACSL2BoogieTranslator took 3225.49ms. Allocated memory is still 60.9MB. Free memory was 24.8MB in the beginning and 14.0MB in the end (delta: 10.8MB). Peak memory consumption was 15.7MB. 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 RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...